# Mr.PlanB > Proxmox, Kubernetes, storage, and virtualization guides with practical comparisons and implementation tutorials. - Canonical site: https://www.mrplanb.com - Primary sitemap index: https://www.mrplanb.com/sitemap-index.xml - RSS feed: https://www.mrplanb.com/rss.xml - Languages: English (`/`), German (`/de`), Dutch (`/nl`), Spanish (`/es`), French (`/fr`) This file is generated from current site routes and blog content. ## Core Pages - [/](https://www.mrplanb.com/) - [/about](https://www.mrplanb.com/about) - [/blog](https://www.mrplanb.com/blog) - [/contact](https://www.mrplanb.com/contact) - [/editorial-policy](https://www.mrplanb.com/editorial-policy) - [/privacy](https://www.mrplanb.com/privacy) - [/subscribe](https://www.mrplanb.com/subscribe) - [/terms](https://www.mrplanb.com/terms) - [/video](https://www.mrplanb.com/video) ## Ledgers & Reports - [Ledgers & Reports](https://www.mrplanb.com/reports) - Independent ledgers and reports that score infrastructure platforms on what they shipped. - [VM Platform Ledger](https://www.mrplanb.com/vm-platform-ledger) - Interactive rankings, every angle side by side and the trajectory map. - [SUSE Virtualization: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/harvester) - SUSE packages KubeVirt, Longhorn and Rancher with the field's most detailed roadmap, but much ships as experimental and data protection is weak. - [HPE Morpheus VM Essentials: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/hpe) - HPE VM Essentials moved fast for VMware leavers, with SDN, stretched clusters and better backup, but it is young, lacks vGPU and tiers many features. - [VM Platform Ledger 2026: 15 Platforms Scored](https://www.mrplanb.com/reports/vm-platform-ledger-2026) - Fifteen virtualization platforms scored on capability since 2015, credibility, buyer risk, lock-in and AI, using public release records only. - [KubeVirt: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/kubevirt) - KubeVirt runs the most disciplined public process in the field, near 80% say-do, but Red Hat writes most commits and its release pace binds every product. - [VM Platform Ledger Methodology: How Every Score Is Built](https://www.mrplanb.com/reports/vm-platform-ledger-2026/methodology) - How the VM Platform Ledger scores virtualization platforms: fixed anchors, public evidence only, no vendor briefings, and a twice-yearly say-do check. - [Microsoft Hyper-V / Azure Local: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/microsoft) - Hyper-V is capable and low risk but barely developed; Azure Local gets the investment, is still catching up on basics and ties the cluster to Azure. - [Nutanix Cloud Infrastructure: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/nutanix) - Nutanix is removing every reason VMware customers give for staying. Capability and credibility are high; the catch is another proprietary control plane. - [Red Hat OpenShift Virtualization: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/openshift) - OpenShift Virtualization leads on Kubernetes and has closed most of the VMware parity list, but vGPU live migration and incremental backup still lag. - [Oracle Linux Virtualization Manager: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/oracle) - OLVM is oVirt with Oracle support: fine for classic virtualization and Oracle Database licensing, but its upstream lost Red Hat and it seldom leads. - [Platform9 Private Cloud Director: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/platform9) - Platform9 turned OpenStack into a simple private cloud with the best migration tool in this batch, but built-in backup is thin and the vendor is small. - [Proxmox VE: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/proxmox) - Proxmox builds what its users have been asking for, in the order it can afford to, and the VMware exit pulled several of those items forward. - [Scale Computing SC//HyperCore: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/scale) - Scale has built simple HCI for thousands of small sites for a decade: the strongest pick for edge fleets and MSPs, but weak on networking and Kubernetes. - [Spectro Cloud Palette VMO: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/spectro) - Spectro Cloud focuses on moving vSphere VMs onto KubeVirt. Kubernetes and fleet management are strong; its VM features trail the other KubeVirt platforms. - [VergeOS: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/vergeos) - VergeOS puts compute, storage, networking and nested tenants in one OS, a strong fit for service providers, though proprietary and from a small vendor. - [VMware Cloud Foundation / vSphere: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/vmware) - VMware is still the capability reference in seven of ten domains, but its roadmap now pushes buyers into the full bundle, and the renewal is the real risk. - [XCP-ng with Xen Orchestra: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/xcpng) - XCP-ng with Xen Orchestra has some of the best backup and DR in the field and low lock-in, but the hypervisor moves slowly and still lacks vGPU. - [XenServer: VM Platform Ledger 2026 Scorecard](https://www.mrplanb.com/reports/vm-platform-ledger-2026/xenserver) - XenServer is a Citrix add-on again: strong for GPU-accelerated VDI, behind on SDN, Kubernetes and storage, and best for buyers who already run Citrix. - [Open-Source Backup Ledger](https://www.mrplanb.com/open-source-backup-ledger) - Interactive rankings, every angle side by side and the trajectory map, filterable by platforms, tools and database tools. - [Amanda Community: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/amanda) - Amanda was once a reference for tape backup, and its plain tar format still makes old backups easy to read. - [BackupPC: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/backuppc) - BackupPC still does what it always did: agentless file backup of many machines into a deduplicated pool with a web console. - [Bacula Community: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/bacula) - Bacula Community is still a capable tape-first backup system, and 15.0.2 brought real ransomware defences (immutable volumes, malware checks). - [Bareos: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/bareos) - Bareos is the most complete open-source backup platform here and is moving fastest toward VMware leavers, but one small company writes most of the code. - [Barman: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/barman) - Barman is EDB's centralised PostgreSQL backup manager and the backup engine behind CloudNativePG. - [BorgBackup: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/borg) - Borg is a trusted, audited deduplicating backup tool with append-only repositories, widely packaged and used. - [Burp: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/burp) - Burp is a lean, secure network backup tool with built-in certificate handling and block dedupe, kept alive by one person. - [Open-Source Backup Ledger 2026: 16 Projects Scored](https://www.mrplanb.com/reports/open-source-backup-ledger-2026) - Sixteen open-source backup projects scored on capability since 2016, credibility, sustainability, lock-in and support, from public records only. - [Kopia: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/kopia) - Kopia is a fast, modern backup tool that also powers Kasten K10 and Velero, which keeps it well funded and active. - [Open-Source Backup Ledger Methodology: How Every Score Is Built](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/methodology) - How the Open-Source Backup Ledger scores 16 projects: fixed anchors, public evidence only, separate rankings for platforms, tools and database tools. - [Proxmox Backup Server: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/pbs) - PBS is the most polished open-source backup product here, with live-restore, global dedupe, tape and S3, and a public roadmap it delivers on. - [pgBackRest: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/pgbackrest) - pgBackRest is the reference open-source PostgreSQL backup tool: parallel, incremental, encrypted, multi-repository. Its real risk is a single maintainer. - [Relax-and-Recover: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/rear) - ReaR is the standard way to rebuild a failed Linux server or move it to new hardware, and it ships with RHEL and SLES. - [restic: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/restic) - restic is the most widely adopted tool in this Ledger: encrypted, deduplicated backups to almost any storage. A tool, not a platform: no central console. - [UrBackup: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/urbackup) - UrBackup is the simplest route to image and file backup of Windows and Linux machines and easy to leave, but has no tape, object storage or VM integration. - [WAL-G: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/walg) - WAL-G is the broadest database backup tool here, covering PostgreSQL, MySQL, MongoDB, Redis and more with fast cloud-native backups. - [Xen Orchestra: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/xo) - For XCP-ng estates, Xen Orchestra is a complete backup and DR product released monthly, but it protects only Xen VMs and has no tape or physical agents. - [Percona XtraBackup: Open-Source Backup Ledger 2026](https://www.mrplanb.com/reports/open-source-backup-ledger-2026/xtrabackup) - XtraBackup is the standard hot-backup tool for MySQL and the engine behind Percona's operators. - [Enterprise Backup Ledger](https://www.mrplanb.com/enterprise-backup-ledger) - Interactive rankings, every angle side by side and the trajectory map, with compare presets for leaders, storage-vendor suites and challengers. - [Acronis Cyber Protect: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/acronis) - Acronis is extending combined protection and recovery across additional hypervisors. - [Arcserve UDP: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/arcserve) - Arcserve is combining recovery validation with immutable storage and guided management. - [Bacula Enterprise: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/bacula_ent) - Bacula Enterprise is extending plugin coverage and security controls around its daemon and catalog architecture. - [Cohesity DataProtect / NetBackup: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/cohesity) - Cohesity is joining two backup product lines under common management and cyber recovery services. - [Commvault Cloud: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/commvault) - Commvault is combining hybrid protection with cleanroom recovery and agent interfaces. - [Dell: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/dell) - Dell is consolidating protection management while retaining PPDM, Avamar and NetWorker roles. - [Druva Enterprise Workloads: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/druva) - Druva is extending a cloud-managed backup service across alternative hypervisors and cyber recovery workflows. - [Huawei OceanProtect DataBackup: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/huawei) - Huawei documents backup software alongside a larger appliance portfolio. - [HYCU R-Cloud: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/hycu) - HYCU is expanding hybrid protection while adding cloud database and threat-detection modules. - [IBM Storage Defender / Storage Protect: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/ibm) - IBM is connecting established backup engines with recovery governance and threat scanning. - [Enterprise Backup Ledger 2026: 17 Vendors Scored](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026) - Seventeen enterprise backup vendors scored on capability since 2016, credibility, commercial risk, lock-in and AI, from public records only. - [Enterprise Backup Ledger Methodology: How Every Score Is Built](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/methodology) - How the Enterprise Backup Ledger scores 17 backup vendors: fixed anchors, public evidence only, a security-record rule and two entries left unranked. - [NAKIVO Backup & Replication: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/nakivo) - NAKIVO is extending VM recovery and replication across Proxmox while retaining several licence metrics. - [OpenText Data Protector: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/opentext) - OpenText is adding isolation, anomaly analysis and web recovery to an established enterprise backup engine. - [Rubrik Security Cloud: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/rubrik) - Rubrik is extending backup security into identity and AI-agent resilience. - [Sangfor backup / DR software candidate: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/sangfor) - Sangfor presents backup and DR capabilities across HCI and cloud services. - [Storware Backup and Recovery: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/storware) - Storware is expanding alternative-hypervisor coverage and restore paths with a channel-led delivery model. - [Veeam Data Platform: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/veeam) - Veeam is expanding recovery portability and cyber controls around Backup & Replication and ONE. - [HPE Zerto: Enterprise Backup Ledger 2026](https://www.mrplanb.com/reports/enterprise-backup-ledger-2026/zerto) - Zerto is extending journal-based VM recovery with vaulting and conversational operator tools. - [Infrastructure Monitoring Ledger](https://www.mrplanb.com/infrastructure-monitoring-ledger) - Interactive rankings, every angle side by side and the trajectory map, with compare presets for leaders, legacy suites, open-source platforms and challengers. - [Broadcom DX NetOps and DX UIM: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/broadcom) - Broadcom DX NetOps and DX UIM are the deepest high-end suite here, with topology root cause at huge scale, but deals are subscription-only, high minimums. - [Centreon: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/centreon) - Centreon is a European open-core platform shipping twice a year on schedule, with low lock-in and strong VMware-exit coverage but no flow or log analysis. - [Checkmk: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/checkmk) - Checkmk has the cleanest delivery record here and Proxmox monitoring since 2021, but flow analysis still leans on ntopng and config backup is missing. - [Elastic Observability: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/elastic) - Elastic brings search, logs and machine learning to monitoring with a strong delivery record, but network-device and hypervisor depth remain thin. - [Grafana Labs self-hosted stack: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/grafana) - Grafana Labs offers a full self-hosted observability stack with the best release record here, but lacks network management and topology root cause. - [IBM SevOne / Netcool: Infrastructure Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/ibm) - IBM folds Netcool and AIOps into Concert Operate on OpenShift, strong on network scale and on-time delivery, but heavy, quote-only and without Proxmox. - [Icinga: Infrastructure Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/icinga) - Icinga builds a modular, fully GPL stack with a steady, honest record, but graphs, logs, flows and network config live in other tools buyers must run. - [Infrastructure Monitoring Ledger 2026: 20 Platforms Scored](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026) - Twenty self-hostable monitoring platforms scored on capability since 2016, credibility, risk, lock-in and AI, from public records only. - [LibreNMS: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/librenms) - LibreNMS is a volunteer-run GPLv3 network monitor with monthly releases and almost no lock-in, but no company, little funding and thin server depth. - [ManageEngine OpManager Nexus: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/manageengine) - ManageEngine is folding OpManager and its sister modules into one Nexus suite with local and cloud LLM features on top. - [Infrastructure Monitoring Ledger Methodology: How Every Score Is Built](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/methodology) - How the Infrastructure Monitoring Ledger scores 20 platforms: fixed anchors, public evidence only, a product security record, one scale for all licences. - [Nagios XI: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/nagios) - Nagios XI is modernising around Nagios Core with Proxmox and XCP-ng wizards and easy exit, but most releases are incremental and there is no ML. - [Netdata Agent with self-hosted Parents: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/netdata) - Netdata gives per-second, zero-config monitoring with ML on every metric and strong Proxmox coverage, but network, logs and multi-tenancy are thin. - [OpenNMS Horizon and Meridian: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/opennms) - OpenNMS offers deep free network, event and scale capability and delivered every 2023-2026 promise, but release pace slowed and it needs specialist skills. - [Opsview Monitor: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/opsview) - Opsview, rebuilt by ITRS on microservices, adds Proxmox, AHV and AI hooks with mostly on-time releases, and is strong on business views and multi-tenancy. - [Prometheus: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/prometheus) - Prometheus is the metrics engine much of the market builds on, delivering on target with no owner who could change the licence, but it is not a full suite. - [PRTG: Infrastructure Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/prtg) - Paessler is modernising PRTG around v2 sensors, cross-platform probes and acquired topology and configuration tools, while extending into OT. - [ScienceLogic Skylar One: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/sciencelogic) - ScienceLogic Skylar One is one of the broadest AIOps platforms here and ships on schedule, but it had an exploited zero-day in 2024 and forces OS upgrades. - [Microsoft System Center Operations Manager: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/scom) - Microsoft keeps SCOM as a long-supported on-premises engine for Windows estates while steering new monitoring to Azure Monitor and Arc. - [SolarWinds Observability Self-Hosted: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/solarwinds) - SolarWinds is turning its Orion estate into a subscription self-hosted observability suite with an AI agent and incident response on top. - [Progress WhatsUp Gold: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/whatsupgold) - WhatsUp Gold is a mature Windows-based network monitor with perpetual licences, but releases are incremental and 2024 brought two exploited flaws. - [Zabbix: Monitoring Ledger 2026](https://www.mrplanb.com/reports/infrastructure-monitoring-ledger-2026/zabbix) - Zabbix has the most transparent record here, with a public roadmap, regular LTS releases and strong scale; buyers add flow, config backup and topology. ## Proxmox Pages - [/proxmox](https://www.mrplanb.com/proxmox) - [/proxmox-health-check-beta](https://www.mrplanb.com/proxmox-health-check-beta) - [/proxmox/automation](https://www.mrplanb.com/proxmox/automation) - [/proxmox/backup](https://www.mrplanb.com/proxmox/backup) - [/proxmox/backup/software-reviews](https://www.mrplanb.com/proxmox/backup/software-reviews) - [/proxmox/enterprise](https://www.mrplanb.com/proxmox/enterprise) - [/proxmox/free-homelab-tunnels](https://www.mrplanb.com/proxmox/free-homelab-tunnels) - [/proxmox/helper-scripts](https://www.mrplanb.com/proxmox/helper-scripts) - [/proxmox/install](https://www.mrplanb.com/proxmox/install) - [/proxmox/mastering-proxmox](https://www.mrplanb.com/proxmox/mastering-proxmox) - [/proxmox/tarot](https://www.mrplanb.com/proxmox/tarot) - [/proxmox/videos](https://www.mrplanb.com/proxmox/videos) ## Kubernetes Pages - [/kubernetes](https://www.mrplanb.com/kubernetes) - [/kubernetes/backup-2026](https://www.mrplanb.com/kubernetes/backup-2026) - [/kubernetes/definition](https://www.mrplanb.com/kubernetes/definition) - [/kubernetes/docker-vs-kubernetes](https://www.mrplanb.com/kubernetes/docker-vs-kubernetes) - [/kubernetes/knative-graduation](https://www.mrplanb.com/kubernetes/knative-graduation) - [/kubernetes/velero-backup](https://www.mrplanb.com/kubernetes/velero-backup) ## Storage Pages - [/storage](https://www.mrplanb.com/storage) - [/storage/3-2-1-1-0-backup-rule](https://www.mrplanb.com/storage/3-2-1-1-0-backup-rule) - [/storage/3-2-1-backup-rule](https://www.mrplanb.com/storage/3-2-1-backup-rule) - [/storage/ai-gpu-workloads-kubernetes](https://www.mrplanb.com/storage/ai-gpu-workloads-kubernetes) - [/storage/backup-retention-policy](https://www.mrplanb.com/storage/backup-retention-policy) - [/storage/backup-testing](https://www.mrplanb.com/storage/backup-testing) - [/storage/backup-vs-disaster-recovery](https://www.mrplanb.com/storage/backup-vs-disaster-recovery) - [/storage/block-vs-object-storage](https://www.mrplanb.com/storage/block-vs-object-storage) - [/storage/ceph](https://www.mrplanb.com/storage/ceph) - [/storage/ceph-object-storage](https://www.mrplanb.com/storage/ceph-object-storage) - [/storage/cloud-backup-options](https://www.mrplanb.com/storage/cloud-backup-options) - [/storage/customer-facing-applications-kubernetes](https://www.mrplanb.com/storage/customer-facing-applications-kubernetes) - [/storage/disaster-recovery-plan](https://www.mrplanb.com/storage/disaster-recovery-plan) - [/storage/free-cloud-storage-ebook](https://www.mrplanb.com/storage/free-cloud-storage-ebook) - [/storage/free-cloud-storage-tracker](https://www.mrplanb.com/storage/free-cloud-storage-tracker) - [/storage/harvester](https://www.mrplanb.com/storage/harvester) - [/storage/iscsi](https://www.mrplanb.com/storage/iscsi) - [/storage/kubernetes-backup-encryption](https://www.mrplanb.com/storage/kubernetes-backup-encryption) - [/storage/kubernetes-business-workloads](https://www.mrplanb.com/storage/kubernetes-business-workloads) - [/storage/legacy-applications-on-kubernetes](https://www.mrplanb.com/storage/legacy-applications-on-kubernetes) - [/storage/longhorn](https://www.mrplanb.com/storage/longhorn) - [/storage/lto-tape](https://www.mrplanb.com/storage/lto-tape) - [/storage/lto-tape/backup-guide](https://www.mrplanb.com/storage/lto-tape/backup-guide) - [/storage/lto-tape/low-cost-setup](https://www.mrplanb.com/storage/lto-tape/low-cost-setup) - [/storage/multi-tenant-kubernetes-business-workloads](https://www.mrplanb.com/storage/multi-tenant-kubernetes-business-workloads) - [/storage/nfs](https://www.mrplanb.com/storage/nfs) - [/storage/object-storage-vendors](https://www.mrplanb.com/storage/object-storage-vendors) - [/storage/offsite-backup](https://www.mrplanb.com/storage/offsite-backup) - [/storage/pbs](https://www.mrplanb.com/storage/pbs) - [/storage/rook-ceph](https://www.mrplanb.com/storage/rook-ceph) - [/storage/rpo-vs-rto](https://www.mrplanb.com/storage/rpo-vs-rto) - [/storage/s3-compatible-storage](https://www.mrplanb.com/storage/s3-compatible-storage) - [/storage/stateful-applications-on-kubernetes](https://www.mrplanb.com/storage/stateful-applications-on-kubernetes) - [/storage/top-free-cloud-storage](https://www.mrplanb.com/storage/top-free-cloud-storage) - [/storage/unraid](https://www.mrplanb.com/storage/unraid) - [/storage/zfs](https://www.mrplanb.com/storage/zfs) ## Comparison Pages - [/comparisons](https://www.mrplanb.com/comparisons) - [/comparisons/docker-vs-kubernetes](https://www.mrplanb.com/comparisons/docker-vs-kubernetes) - [/comparisons/kubernetes-distributions-report](https://www.mrplanb.com/comparisons/kubernetes-distributions-report) - [/comparisons/kvm-backup-2026](https://www.mrplanb.com/comparisons/kvm-backup-2026) - [/comparisons/managed-kubernetes-vs-bare-metal](https://www.mrplanb.com/comparisons/managed-kubernetes-vs-bare-metal) - [/comparisons/microsoft-backup-2026](https://www.mrplanb.com/comparisons/microsoft-backup-2026) - [/comparisons/openshift-ai-vs-suse-ai](https://www.mrplanb.com/comparisons/openshift-ai-vs-suse-ai) - [/comparisons/openshift-vs-rancher](https://www.mrplanb.com/comparisons/openshift-vs-rancher) - [/comparisons/openshift-vs-vmware](https://www.mrplanb.com/comparisons/openshift-vs-vmware) - [/comparisons/oracle-backup-2026](https://www.mrplanb.com/comparisons/oracle-backup-2026) - [/comparisons/oracle-linux-vs-vmware](https://www.mrplanb.com/comparisons/oracle-linux-vs-vmware) - [/comparisons/proxmox-vs-kvm](https://www.mrplanb.com/comparisons/proxmox-vs-kvm) - [/comparisons/vmware-backup-2026](https://www.mrplanb.com/comparisons/vmware-backup-2026) - [/comparisons/vmware-migrate-2026](https://www.mrplanb.com/comparisons/vmware-migrate-2026) - [/comparisons/vmware-migration-report](https://www.mrplanb.com/comparisons/vmware-migration-report) - [/comparisons/vmware-migration-tools-detail](https://www.mrplanb.com/comparisons/vmware-migration-tools-detail) - [/comparisons/vmware-vs-hyperv](https://www.mrplanb.com/comparisons/vmware-vs-hyperv) - [/comparisons/zabbix](https://www.mrplanb.com/comparisons/zabbix) - [/comparisons/zabbix-enterprise-monitoring](https://www.mrplanb.com/comparisons/zabbix-enterprise-monitoring) - [/comparisons/zabbix-enterprise-monitoring/zabbixplus](https://www.mrplanb.com/comparisons/zabbix-enterprise-monitoring/zabbixplus) ## What-Is Pages - [/what-is](https://www.mrplanb.com/what-is) - [/what-is/ceph-proxmox](https://www.mrplanb.com/what-is/ceph-proxmox) - [/what-is/docker-and-kubernetes](https://www.mrplanb.com/what-is/docker-and-kubernetes) - [/what-is/hyper-v-vs-proxmox](https://www.mrplanb.com/what-is/hyper-v-vs-proxmox) - [/what-is/install-proxmox](https://www.mrplanb.com/what-is/install-proxmox) - [/what-is/lto-storage](https://www.mrplanb.com/what-is/lto-storage) - [/what-is/moving-away-from-docker](https://www.mrplanb.com/what-is/moving-away-from-docker) - [/what-is/proxmox-ceph](https://www.mrplanb.com/what-is/proxmox-ceph) - [/what-is/proxmox-really-free](https://www.mrplanb.com/what-is/proxmox-really-free) - [/what-is/proxmox-used-for](https://www.mrplanb.com/what-is/proxmox-used-for) - [/what-is/proxmox-vs-docker](https://www.mrplanb.com/what-is/proxmox-vs-docker) - [/what-is/proxmox-vs-vmware](https://www.mrplanb.com/what-is/proxmox-vs-vmware) - [/what-is/tpm-storage-proxmox](https://www.mrplanb.com/what-is/tpm-storage-proxmox) - [/what-is/vmware-license-expires](https://www.mrplanb.com/what-is/vmware-license-expires) - [/what-is/zabbix-vs-checkmk-monitoring](https://www.mrplanb.com/what-is/zabbix-vs-checkmk-monitoring) ## Tools Pages - [/tools](https://www.mrplanb.com/tools) - [/tools/yaml-formatter](https://www.mrplanb.com/tools/yaml-formatter) ## Localized Routes - [/de](https://www.mrplanb.com/de) - [/de/about](https://www.mrplanb.com/de/about) - [/de/blog](https://www.mrplanb.com/de/blog) - [/de/comparisons](https://www.mrplanb.com/de/comparisons) - [/de/comparisons/docker-vs-kubernetes](https://www.mrplanb.com/de/comparisons/docker-vs-kubernetes) - [/de/comparisons/kubernetes-distributions-report](https://www.mrplanb.com/de/comparisons/kubernetes-distributions-report) - [/de/comparisons/openshift-ai-vs-suse-ai](https://www.mrplanb.com/de/comparisons/openshift-ai-vs-suse-ai) - [/de/comparisons/openshift-vs-rancher](https://www.mrplanb.com/de/comparisons/openshift-vs-rancher) - [/de/comparisons/openshift-vs-vmware](https://www.mrplanb.com/de/comparisons/openshift-vs-vmware) - [/de/comparisons/oracle-linux-vs-vmware](https://www.mrplanb.com/de/comparisons/oracle-linux-vs-vmware) - [/de/comparisons/proxmox-vs-kvm](https://www.mrplanb.com/de/comparisons/proxmox-vs-kvm) - [/de/comparisons/vmware-vs-hyperv](https://www.mrplanb.com/de/comparisons/vmware-vs-hyperv) - [/de/contact](https://www.mrplanb.com/de/contact) - [/de/kubernetes](https://www.mrplanb.com/de/kubernetes) - [/de/kubernetes/definition](https://www.mrplanb.com/de/kubernetes/definition) - [/de/kubernetes/docker-vs-kubernetes](https://www.mrplanb.com/de/kubernetes/docker-vs-kubernetes) - [/de/kubernetes/knative-graduation](https://www.mrplanb.com/de/kubernetes/knative-graduation) - [/de/privacy](https://www.mrplanb.com/de/privacy) - [/de/proxmox](https://www.mrplanb.com/de/proxmox) - [/de/proxmox/automation](https://www.mrplanb.com/de/proxmox/automation) - [/de/proxmox/enterprise](https://www.mrplanb.com/de/proxmox/enterprise) - [/de/proxmox/helper-scripts](https://www.mrplanb.com/de/proxmox/helper-scripts) - [/de/proxmox/install](https://www.mrplanb.com/de/proxmox/install) - [/de/storage](https://www.mrplanb.com/de/storage) - [/de/storage/ceph](https://www.mrplanb.com/de/storage/ceph) - [/de/storage/harvester](https://www.mrplanb.com/de/storage/harvester) - [/de/storage/iscsi](https://www.mrplanb.com/de/storage/iscsi) - [/de/storage/longhorn](https://www.mrplanb.com/de/storage/longhorn) - [/de/storage/lto-tape](https://www.mrplanb.com/de/storage/lto-tape) - [/de/storage/lto-tape/backup-guide](https://www.mrplanb.com/de/storage/lto-tape/backup-guide) - [/de/storage/lto-tape/low-cost-setup](https://www.mrplanb.com/de/storage/lto-tape/low-cost-setup) - [/de/storage/nfs](https://www.mrplanb.com/de/storage/nfs) - [/de/storage/pbs](https://www.mrplanb.com/de/storage/pbs) - [/de/storage/rook-ceph](https://www.mrplanb.com/de/storage/rook-ceph) - [/de/storage/unraid](https://www.mrplanb.com/de/storage/unraid) - [/de/storage/zfs](https://www.mrplanb.com/de/storage/zfs) - [/de/terms](https://www.mrplanb.com/de/terms) - [/de/video](https://www.mrplanb.com/de/video) - [/es/blog](https://www.mrplanb.com/es/blog) - [/fr/blog](https://www.mrplanb.com/fr/blog) - [/nl](https://www.mrplanb.com/nl) - [/nl/about](https://www.mrplanb.com/nl/about) - [/nl/comparisons](https://www.mrplanb.com/nl/comparisons) - [/nl/comparisons/docker-vs-kubernetes](https://www.mrplanb.com/nl/comparisons/docker-vs-kubernetes) - [/nl/comparisons/kubernetes-distributions-report](https://www.mrplanb.com/nl/comparisons/kubernetes-distributions-report) - [/nl/comparisons/openshift-ai-vs-suse-ai](https://www.mrplanb.com/nl/comparisons/openshift-ai-vs-suse-ai) - [/nl/comparisons/openshift-vs-rancher](https://www.mrplanb.com/nl/comparisons/openshift-vs-rancher) - [/nl/comparisons/openshift-vs-vmware](https://www.mrplanb.com/nl/comparisons/openshift-vs-vmware) - [/nl/comparisons/oracle-linux-vs-vmware](https://www.mrplanb.com/nl/comparisons/oracle-linux-vs-vmware) - [/nl/comparisons/proxmox-vs-kvm](https://www.mrplanb.com/nl/comparisons/proxmox-vs-kvm) - [/nl/comparisons/vmware-vs-hyperv](https://www.mrplanb.com/nl/comparisons/vmware-vs-hyperv) - [/nl/contact](https://www.mrplanb.com/nl/contact) - [/nl/kubernetes](https://www.mrplanb.com/nl/kubernetes) - [/nl/kubernetes/definition](https://www.mrplanb.com/nl/kubernetes/definition) - [/nl/kubernetes/docker-vs-kubernetes](https://www.mrplanb.com/nl/kubernetes/docker-vs-kubernetes) - [/nl/kubernetes/knative-graduation](https://www.mrplanb.com/nl/kubernetes/knative-graduation) - [/nl/privacy](https://www.mrplanb.com/nl/privacy) - [/nl/proxmox](https://www.mrplanb.com/nl/proxmox) - [/nl/proxmox/automation](https://www.mrplanb.com/nl/proxmox/automation) - [/nl/proxmox/enterprise](https://www.mrplanb.com/nl/proxmox/enterprise) - [/nl/proxmox/helper-scripts](https://www.mrplanb.com/nl/proxmox/helper-scripts) - [/nl/proxmox/install](https://www.mrplanb.com/nl/proxmox/install) - [/nl/storage](https://www.mrplanb.com/nl/storage) - [/nl/storage/ceph](https://www.mrplanb.com/nl/storage/ceph) - [/nl/storage/harvester](https://www.mrplanb.com/nl/storage/harvester) - [/nl/storage/iscsi](https://www.mrplanb.com/nl/storage/iscsi) - [/nl/storage/longhorn](https://www.mrplanb.com/nl/storage/longhorn) - [/nl/storage/lto-tape](https://www.mrplanb.com/nl/storage/lto-tape) - [/nl/storage/lto-tape/backup-guide](https://www.mrplanb.com/nl/storage/lto-tape/backup-guide) - [/nl/storage/lto-tape/low-cost-setup](https://www.mrplanb.com/nl/storage/lto-tape/low-cost-setup) - [/nl/storage/nfs](https://www.mrplanb.com/nl/storage/nfs) - [/nl/storage/pbs](https://www.mrplanb.com/nl/storage/pbs) - [/nl/storage/rook-ceph](https://www.mrplanb.com/nl/storage/rook-ceph) - [/nl/storage/unraid](https://www.mrplanb.com/nl/storage/unraid) - [/nl/storage/zfs](https://www.mrplanb.com/nl/storage/zfs) - [/nl/terms](https://www.mrplanb.com/nl/terms) - [/nl/video](https://www.mrplanb.com/nl/video) ## Other Routes - [/ai-security](https://www.mrplanb.com/ai-security) - [/ai-security/operator-controls](https://www.mrplanb.com/ai-security/operator-controls) - [/datacenter](https://www.mrplanb.com/datacenter) - [/datacenter/ai-data-centers](https://www.mrplanb.com/datacenter/ai-data-centers) - [/datacenter/aiops-tools](https://www.mrplanb.com/datacenter/aiops-tools) - [/datacenter/data-center-jobs](https://www.mrplanb.com/datacenter/data-center-jobs) - [/datacenter/dcim-software](https://www.mrplanb.com/datacenter/dcim-software) - [/datacenter/free-uptime-monitoring](https://www.mrplanb.com/datacenter/free-uptime-monitoring) - [/datacenter/free-vps-tiers](https://www.mrplanb.com/datacenter/free-vps-tiers) - [/datacenter/network-monitoring](https://www.mrplanb.com/datacenter/network-monitoring) - [/datacenter/what-is-a-data-center](https://www.mrplanb.com/datacenter/what-is-a-data-center) - [/vmware-exodus-planner](https://www.mrplanb.com/vmware-exodus-planner) - [/vmware-migration-assistant](https://www.mrplanb.com/vmware-migration-assistant) ## Blog Posts (EN) - [virtio-win 0.1.302 Is Stable. Should You Upgrade?](https://www.mrplanb.com/blog/virtio-win-0-1-302-stable-should-you-upgrade) - virtio-win 0.1.302 is listed as stable, but recent storage-driver bugs are a good reason to roll it out to Proxmox Windows VMs in stages. - [TrueNAS Proxmox Plugin: When Does It Make Sense?](https://www.mrplanb.com/blog/truenas-proxmox-plugin-when-does-it-make-sense) - The TrueNAS Proxmox plugin automates shared block storage, snapshots, and disk lifecycle. It is useful, but it won't replace every ZFS or Ceph setup. - [Stream Deck Proxmox Monitor: A Safer Read-Only LXC Setup](https://www.mrplanb.com/blog/stream-deck-proxmox-monitor-safer-setup) - A Stream Deck can work as a physical Proxmox status panel. The part worth copying is how the monitor stays read-only and isolated. - [Proxmox UPS Shutdown: Why Cluster Order Matters](https://www.mrplanb.com/blog/proxmox-ups-shutdown-cluster-order) - PVE-UPS adds PBS support and cluster-aware shutdown. What matters most is stopping HA, Ceph, guests and hosts in the right order when power fails. - [Proxmox Quorum Failed With 2 of 3 Nodes: Why](https://www.mrplanb.com/blog/proxmox-3-node-cluster-quorum-qdevice) - A 3-node Proxmox cluster lost quorum with one node offline because a stale QDevice left Corosync expecting four votes instead of three. - [Proxmox MCE Error: The Warning That Pointed to RAM](https://www.mrplanb.com/blog/proxmox-mce-error-warning-pointed-to-ram) - A Proxmox MCE alert exposed a failing memory path before the host turned into a mystery outage. How to read the signal and what to do about it. - [Proxmox GPU Passthrough With a GeForce 8800 GTS](https://www.mrplanb.com/blog/proxmox-gpu-passthrough-8800-gts) - A GeForce 8800 GTS can pass through to a Proxmox VM, but its pre-UEFI firmware changes the usual recipe. These are the things to check. - [Proxmox CVE-2023-54391: Who Is Actually at Risk?](https://www.mrplanb.com/blog/proxmox-cve-2023-54391-who-is-at-risk) - CVE-2023-54391 is a critical Proxmox auth bypass that affects old package versions. Check the exact range before assuming every PVE 7 or 8 host is exposed. - [Proxmox Custom Themes: What Survives Updates?](https://www.mrplanb.com/blog/proxmox-custom-themes-what-survives-updates) - Proxmox supports light and dark modes, and community themes go further by modifying web UI files. How custom themes work and what updates can overwrite. - [Proxmox 24/7 Support: What Still Blocks Enterprises?](https://www.mrplanb.com/blog/proxmox-24-7-support-enterprise-blockers) - Proxmox 24/7 support removes a big enterprise objection, but compliance, pricing, hardware support, and long-term ownership questions are still open. - [Proxmox 24/7 Support: What Changes October 19](https://www.mrplanb.com/blog/proxmox-24-7-support-what-changes-october-19) - Proxmox adds direct 24/7 enterprise support on October 19, 2026 and opens a Canadian subsidiary, taking away a common objection to enterprise adoption. - [Leaving Proxmox Community Scripts: Start Here](https://www.mrplanb.com/blog/leaving-proxmox-community-scripts-start-here) - You can move away from Proxmox Community Scripts without a rebuild. Start with one service, document it, automate it, and migrate gradually. - [Ceph on 2.5GbE Works, but Everything Around It Is the Problem](https://www.mrplanb.com/blog/proxmox-ceph-2-5gbe-real-problem-everything-around-it) - A compact Proxmox cluster sparked a familiar storage debate. Ceph can run on 2.5GbE, but network speed is only one part of what it costs. - [Ceph 2 OSD Cluster: Why 3 MONs Don't Make It HA](https://www.mrplanb.com/blog/ceph-2-osd-cluster-3-mons-ha) - A two-OSD Proxmox Ceph cluster can run, but three MONs can't fix weak replica placement. The risks are in network design, min_size, and recovery. - [22 Proxmox Nodes Hacked: What the Recovery Missed](https://www.mrplanb.com/blog/proxmox-nodes-hacked-what-recovery-missed) - A 22-node Proxmox cluster was compromised through CVE-2023-54391, and restoring the hosts did not remove every backdoor. - [VMware Migration Cut Tottenham Hotspur Licensing Costs by 85%](https://www.mrplanb.com/blog/tottenham-vmware-85-percent-savings) - Tottenham Hotspur says its VMware replacement cut licensing fees by more than 85%, showing why renewal economics now trigger migration projects. - [Zero Trust Against AI Social Engineering: Order Your Controls](https://www.mrplanb.com/blog/zero-trust-against-ai-social-engineering) - Verify the identity, then the request, then assume both failed. The first two are deterministic, so AI-based detection belongs last. - [VMware Explore 2026: Broadcom Bets on Private AI](https://www.mrplanb.com/blog/vmware-explore-2026-private-ai-cloud) - VMware Explore 2026 centered on Private AI Cloud, AI Factory, agent governance, and private-cloud economics, clarifying Broadcom's VCF strategy. - [Six AI Security Frameworks and Which One You Actually Need](https://www.mrplanb.com/blog/which-ai-security-framework-you-need) - OWASP, MITRE ATLAS, MAESTRO, PHANTOM-B and NIST AI RMF sorted into risk lists, methodologies and governance, with advice on which to adopt first. - [VMware Workstation and Fusion CVE-2026-59346 Can Reach the Host](https://www.mrplanb.com/blog/vmware-cve-2026-59346-host-escape) - CVE-2026-59346 is a critical VMware Workstation and Fusion flaw that can let a privileged VM user execute code on the host through VMXNET3. - [Assistant vs Agent: Where Your AI Security Model Changes](https://www.mrplanb.com/blog/assistant-vs-agent-security-line) - Five properties turn an AI assistant into an agent. How each one adds attack surface, where the OWASP lists apply, and what controls work. - [Proxmox CVE-2023-54391: Why You Should Upgrade PVE 7 Now](https://www.mrplanb.com/blog/proxmox-cve-2023-54391) - CVE-2023-54391 is a Proxmox VE authentication bypass affecting old libpve-access-control builds, with real compromises reported in September 2026. - [Every Phishing Marker You Trained People On Is Gone](https://www.mrplanb.com/blog/phishing-markers-are-gone) - AI removed the bad grammar, generic greetings and odd links that phishing training relies on. What FBI loss data shows and which controls still hold. - [PostgreSQL CVE-2026-6471 Turns Replication Into RCE](https://www.mrplanb.com/blog/postgresql-cve-2026-6471-postgreshell) - CVE-2026-6471 lets a PostgreSQL role with REPLICATION privilege load arbitrary server-visible code, turning a backup-style account into host RCE. - [Proxmox 24/7 Support Changes the Enterprise Case](https://www.mrplanb.com/blog/proxmox-24-7-enterprise-support) - Proxmox adds global 24/7 enterprise support on October 19, 2026, removing a major operational objection for VMware replacement projects. - [Excessive Agency Is a Permissions Problem Wearing an AI Costume](https://www.mrplanb.com/blog/excessive-agency-llm03-permissions) - OWASP LLM03 Excessive Agency has three causes: too much functionality, permission and autonomy. Only one is the model's fault, and here is how to fix each. - [KubeVirt vs Proxmox for VMware Migration](https://www.mrplanb.com/blog/kubevirt-vs-proxmox-vmware-migration) - KubeVirt and Proxmox both offer VMware exit paths, but one converges VMs onto Kubernetes while the other keeps virtualization as the primary model. - [Securing AI and Defending Against It Are Two Different Problems](https://www.mrplanb.com/blog/securing-ai-versus-ai-as-the-weapon) - "AI security" names two unrelated problems with different owners, different controls and different budgets. Teams that conflate them buy the wrong thing. - [Kubernetes 1.37 Makes Rootless Kubelet Beta](https://www.mrplanb.com/blog/kubernetes-1-37-rootless-kubelet) - Kubernetes 1.37 promotes KubeletInUserNamespace to beta, letting node components run as a non-root host user and reducing breakout impact. - [VMware VDDK Download Restricted: What It Means for Migration](https://www.mrplanb.com/blog/broadcom-vddk-access-vmware-migration) - Public VMware VDDK download paths broke or became restricted in August 2026. See which migrations depend on VDDK, the alternatives, and what to archive. - [Proxmox Backup Strategy: A Practical 2026 Plan](https://www.mrplanb.com/blog/proxmox-backup-strategy-2026) - A practical Proxmox backup plan for 2026 uses PBS 4.2, offsite copies, verification, restore tests, and a recovery target you can measure. - [Proton Outage: What a Cooling Failure Exposed](https://www.mrplanb.com/blog/proton-outage-cooling-failure) - Proton's August 27 outage began with a total cooling failure in Frankfurt, where room temperature rose from 21.8°C to 51.9°C in under 30 minutes. - [Nvidia AI Factories: Why Revenue Sharing Hit Pause](https://www.mrplanb.com/blog/nvidia-ai-factory-revenue-sharing) - Nvidia's 2026 AI cloud financing model paired take-or-pay guarantees with revenue sharing, then some deals paused amid internal competition concerns. - [Meta Data Center Water: What Talavera Tells Us](https://www.mrplanb.com/blog/meta-talavera-data-center-water) - Meta's Talavera data center switched to dry-air cooling, cutting cooling water sharply, while 2026 documents still show different water figures. - [Lidl Owner Plans €5.6B, 240 MW Data Center in Germany](https://www.mrplanb.com/blog/lidl-owner-data-center-5-6b) - Schwarz Group plans up to €5.6B for a 240 MW German data center by 2033, tying Lidl's owner to Europe's sovereign cloud push. - [Germany Data Centers: 120 Projects, 5 GW at Stake](https://www.mrplanb.com/blog/germany-data-center-boom-120-projects) - A new map tracks 120 German data center projects with at least 5 GW of planned grid capacity, exposing the power and planning challenge. - [Digital Sovereignty: Why Open Source and Hybrid Cloud Matter](https://www.mrplanb.com/blog/digital-sovereignty-open-source-hybrid-cloud) - Europe's 2026 tech sovereignty push puts open source and cloud control together. The practical test is portability, control, and a real exit path. - [Datacenter Cooling: Can Waste Heat Replace Power?](https://www.mrplanb.com/blog/electricity-free-datacenter-cooling) - A 2026 prototype used waste heat to drive solid-state cooling, but its 4.0 K device-level result is still far from datacenter deployment. - [AI Cybersecurity: What 100+ Companies Want Now](https://www.mrplanb.com/blog/ai-cybersecurity-100-companies) - OpenAI and 100+ signatories say AI attacks will spread fast and call for stronger access control, patching, testing, and defender tools now. - [Ceph 19.2.6 Upgrade: Check PG Counts Before You Start](https://www.mrplanb.com/blog/ceph-19-2-6-upgrade-check-pg-counts-before-you-start) - A preflight for the Ceph Squid 19.2.6 security update: cluster health, .mgr pool PG counts, client compatibility and the new aes256k CephX key rotation. - [OpenZFS Offline Dedup: Is ZFS Dedup Finally Practical?](https://www.mrplanb.com/blog/openzfs-offline-dedup-is-zfs-dedup-finally-practical) - OpenZFS master now supports FIDEDUPERANGE, letting duperemove and bees dedup existing files through block cloning without the DDT memory cost. - [Proxmox VE 8 EOL: When Support Ends and How to Upgrade to 9](https://www.mrplanb.com/blog/proxmox-ve-8-eol-upgrade-to-proxmox-ve-9) - Proxmox VE 8 reaches end of life on August 31, 2026. What EOL means, what to check before upgrading to Proxmox VE 9, and the Ceph upgrade order. - [VDI Alternatives After Citrix and VMware Price Changes](https://www.mrplanb.com/blog/vdi-alternatives-after-citrix-and-vmware-price-changes) - VDI alternatives to pilot before a Citrix or VMware renewal: when Azure Virtual Desktop, Horizon on Nutanix AHV, Parallels RAS or Citrix itself fits best. - [NetBackup 10.5 Fails After Nutanix AOS 7.5 Upgrade](https://www.mrplanb.com/blog/netbackup-105-nutanix-aos-75-compatibility) - NetBackup 10.5.0.1 stopped backing up Nutanix AHV VMs after an AOS 7.5 upgrade. The compatibility list requires NetBackup 11.1; here are the options. - [NetBackup 11 Install Fails With Domain Accounts](https://www.mrplanb.com/blog/netbackup-11-install-domain-account) - Fixing a NetBackup 11 Windows install that rejects the web service account: domain vs local accounts, nbwebgrp, Log on as a service rights and name length. - [NetBackup 11 Web UI Errors and RBAC Failures](https://www.mrplanb.com/blog/netbackup-11-web-ui-errors-rbac) - How to tell a NetBackup 11 Web UI backend error from an RBAC authorization failure, with checks for roles, identity mapping, services and upgrades. - [NetBackup 5240 Appliance Support Ended: What to Do Now](https://www.mrplanb.com/blog/netbackup-5240-support-end-of-support) - NetBackup 5240 support ended October 31, 2025. What third-party maintenance covers, how to compare quotes, and how to plan and test a replacement. - [NetBackup Alta View Reporting: Find Missing Backups](https://www.mrplanb.com/blog/netbackup-alta-view-reporting) - How to report NetBackup clients with no full backup in seven days using Alta View, IT Analytics customer reports or Python, and why reports run slow. - [NetBackup Backup Failures: Is 100% Success Realistic?](https://www.mrplanb.com/blog/netbackup-backup-failures-100-percent-success) - Is 100% NetBackup backup success realistic? Why 98% can be fine at 9,000 daily jobs, what to measure instead, and why restore tests matter more. - [NetBackup Console on CyberArk PAM: How to Onboard It](https://www.mrplanb.com/blog/netbackup-cyberark-pam-console-onboarding) - How to onboard the NetBackup Windows admin console into CyberArk PSM with a Custom Universal Connector built from the AutoIt skeleton. - [NetBackup FETB Licensing: Why Capacity Looks Too High](https://www.mrplanb.com/blog/netbackup-fetb-licensing-capacity-too-high) - Why moving file servers to VM backup may not cut NetBackup FETB usage, how the 1.5 to 1 FETB Plus ratio works, and how to reconcile nbdeployutil reports. - [NetBackup GitHub and Nexus Backups: Make Them Consistent](https://www.mrplanb.com/blog/netbackup-github-nexus-consistent-backup) - How to get application-consistent GitHub and Nexus Repository backups with NetBackup pre scripts, staging and VM backups. - [NetBackup Hyper-V Error 156: Fix Snapshot Failures](https://www.mrplanb.com/blog/netbackup-hyper-v-error-156-snapshot-failures) - NetBackup status 156 on Hyper-V means the snapshot operation failed, but it does not identify one universal cause. - [NetBackup MongoDB Errors 6601, 6625 and 6654: What to Check First](https://www.mrplanb.com/blog/netbackup-mongodb-errors-6601-6625-6654) - Troubleshooting NetBackup MongoDB status 6601, 6625 and 6654: host credentials under NOAUTH, tpconfig, hostname mismatches and backup host placement. - [NetBackup MySQL Status 6: Fix the Missing Library Path](https://www.mrplanb.com/blog/netbackup-mysql-status-6-library-path) - When a NetBackup MySQL backup ends with status 6 and the log says `MySQL library path is not present`, start with the MySQL client library configuration. - [NetBackup on OpenShift With Argo CD: What You Need](https://www.mrplanb.com/blog/netbackup-openshift-argocd-operator) - Deploying the NetBackup Kubernetes operator on OpenShift with Argo CD and ApplicationSet: Helm charts, prerequisites, storage mapping, Git layout, testing. - [NetBackup SAN Transport Fails on NVMe over FC](https://www.mrplanb.com/blog/netbackup-san-transport-nvme-over-fc) - Why NetBackup SAN transport can fail with "cannot open snapshot" on NVMe over FC datastores that RHEL can see, and how to isolate the cause. - [NetBackup Smartcard Authentication: What to Check](https://www.mrplanb.com/blog/netbackup-smartcard-authentication-troubleshooting) - Why NetBackup smartcard login can fail while LDAP works, and how to check RBAC, UPN or CN mapping, the CA chain, OCSP and the Web UI service. - [NetBackup SQL Restore: Fix Partially Successful Logs](https://www.mrplanb.com/blog/netbackup-sql-restore-partially-successful-logs) - A NetBackup SQL Server restore can show "partially successful" even when the database files and transaction logs appear in the expected directories. - [NetBackup Tape Restore: Verify and Recover Old Media](https://www.mrplanb.com/blog/netbackup-tape-restore-verify-old-media) - How to confirm a file is in a NetBackup backup with bplist or bpflist, and why Phase I and II import is usually safer than tar32.exe for old tapes. - [NetBackup VM Backup vs Database Backup](https://www.mrplanb.com/blog/netbackup-vm-backup-vs-database-backup) - NetBackup VM backup and database backup solve different recovery problems, so the choice should start with what must be restored. - [LockBit 5.0 Is Back in Europe’s Ransomware Top Five](https://www.mrplanb.com/blog/lockbit-5-europe-ransomware-resurgence) - LockBit 5.0 is back among Europe's five most active ransomware groups in 2026, and its return matters for virtualization, backup and recovery teams. - [SharePoint CVE-2026-45659 Is Now a Ransomware Risk](https://www.mrplanb.com/blog/sharepoint-cve-2026-45659-ransomware-response) - CISA links SharePoint CVE-2026-45659 to ransomware. Which servers to check, why patching is not enough, and what backup teams should verify. - [Shell Investigates Clop Claim of 89GB Data Theft](https://www.mrplanb.com/blog/shell-clop-89gb-data-theft-claim) - Shell has confirmed that it is investigating a potential security incident after the Clop group claimed it stole 89GB of data. - [Trezor Breach Exposes 13,689 Customer Records](https://www.mrplanb.com/blog/trezor-shipmonk-breach-13689-customers) - A breach at Trezor shipping provider ShipMonk exposed personal data for approximately 13,689 Trezor customers. - [Windows Update Can Break a Proxmox VM on AMD EPYC](https://www.mrplanb.com/blog/windows-update-proxmox-amd-epyc-boot-failure) - A Proxmox forum case reports a Windows Server 2019 VM on AMD EPYC with -cpu host,-hypervisor again failing to boot after the August 2026 update. - [Can Proxmox Replace Windows 365 for Small Business?](https://www.mrplanb.com/blog/can-proxmox-replace-windows-365-small-business) - Proxmox can replace the compute layer of a Windows 365 Cloud PC for a small business, but it does not replace the Windows 365 service around that desktop. - [Proxmox GitOps: 5 Ways to Automate Your Cluster](https://www.mrplanb.com/blog/proxmox-gitops-5-ways-to-automate-cluster) - Proxmox GitOps works best when Git records the intended state, automation applies predictable changes, and humans still control risky operations. - [Proxmox HA Mistakes: 10 Failover Problems to Avoid](https://www.mrplanb.com/blog/proxmox-ha-mistakes-10-failover-problems) - Ten common Proxmox HA failover mistakes, from two-node quorum and uneven storage access to fencing, VE 9 affinity rules, capacity and untested recovery. - [Proxmox Storage: ZFS vs Ceph vs LVM Thin vs RAID](https://www.mrplanb.com/blog/proxmox-storage-zfs-vs-ceph-vs-lvm-thin-vs-raid) - For most single-node Proxmox systems, I would choose ZFS when I want local redundancy and snapshots, or LVM Thin when I want simple local block storage. - [10 Proxmox VE 9 Tools Worth Trying in 2026](https://www.mrplanb.com/blog/proxmox-ve-9-tools-worth-trying-2026) - The most useful Proxmox tools in 2026 are the ones that remove repetitive work without hiding what they are changing. - [Slow Proxmox Restores: 8 Bottlenecks to Check](https://www.mrplanb.com/blog/slow-proxmox-restores-8-bottlenecks) - A slow Proxmox restore is limited by its slowest stage. Check Veeam worker CPU, task limits, repository reads, the network path and target storage. - [Windows Server 2025 on Proxmox VE 9.2: Slow VM Fixes](https://www.mrplanb.com/blog/windows-server-2025-proxmox-ve-9-2-slow-vm-fixes) - Why Windows Server 2025 can feel slow on Proxmox VE 9.2 next to Server 2022, and how to test drivers, CPU type, storage, power plan and security. - [XCP-ng 8.3 vs Proxmox VE 9: Which Is Better?](https://www.mrplanb.com/blog/xcp-ng-8-3-vs-proxmox-ve-9) - Proxmox VE 9 is the better default if you want integrated KVM virtualization, LXC containers, ZFS and native Ceph management in one platform. - [DayOne Confidentially Files for a $5 Billion US Data Center IPO](https://www.mrplanb.com/blog/dayone-5b-us-ipo) - Singapore-based DayOne Data Centers has confidentially filed for a US IPO that could raise about $5 billion, according to Bloomberg. - [US and South Korean Agencies Warn of Gunra Ransomware Attacks](https://www.mrplanb.com/blog/gunra-ransomware-us-korea-warning) - A joint US and South Korean advisory on Gunra ransomware: edge device exploits, double extortion, and why offline or immutable backups matter. - [OpenAI Is Hiring a Power Trading Lead for Its Data Centers](https://www.mrplanb.com/blog/openai-power-trading-data-centers) - OpenAI is recruiting a Power Trading Lead to run commodity hedging across its expanding data center power portfolio. - [CISA: SharePoint CVE-2026-45659 Now Used in Ransomware Attacks](https://www.mrplanb.com/blog/sharepoint-cve-2026-45659-ransomware) - CISA says SharePoint flaw CVE-2026-45659 is now used in ransomware attacks. Affected versions, patching steps and why tested, independent backups matter. - [AI Agents on Kubernetes: What kagent and OpenChoreo Tell Us](https://www.mrplanb.com/blog/ai-agents-kubernetes-kagent-openchoreo) - What kagent and OpenChoreo show about running AI agents on Kubernetes: agent permissions, platform abstractions, managed vs bare metal, narrow authority. - [AI Homelab with Proxmox, Kubernetes, 200Gb Networking and Ceph](https://www.mrplanb.com/blog/ai-homelab-proxmox-kubernetes-200gb-ceph) - An AI homelab shared on Reddit: three Proxmox hosts, four ASUS GX10 Kubernetes nodes, 512 GB of VRAM, a 200Gb fabric, and lessons on Ceph and backup. - [DeadLock Ransomware: Lessons for Backup and Recovery](https://www.mrplanb.com/blog/deadlock-ransomware-backup-recovery) - Microsoft's August 10, 2026 DeadLock analysis and what backup teams should take from it: separate failure domains, immutable copies, and tested restores. - [Proxmox Hosting Automation With WHMCS for Service Providers](https://www.mrplanb.com/blog/proxmox-hosting-automation-whmcs) - What ModulesGarden's Proxmox Solution Provider listing means for WHMCS hosting automation: provisioning, billing, backup and multi tenant security. - [Can Proxmox Be the Ultimate Infrastructure Learning Lab?](https://www.mrplanb.com/blog/proxmox-ultimate-learning-lab) - Using Proxmox as a homelab for learning networking, storage, Ceph, automation, Kubernetes and backups by building, breaking and rebuilding systems. - [Veeam Support Cases: When Six Months Is Too Long](https://www.mrplanb.com/blog/veeam-support-six-months-too-long) - A six month backup support case is too long when the unresolved problem keeps breaking normal protection workflows. - [Querying Infrastructure Monitoring Data With Natural Language](https://www.mrplanb.com/blog/natural-language-query-infrastructure-monitoring-operations-data) - How an AI assistant turns plain questions into queries on monitoring, CMDB, alarm and cost data, with source attribution, permissions and approval limits. - [Why Is GPU Utilization Low? Compute, Network, Storage or Data Loading](https://www.mrplanb.com/blog/why-is-gpu-utilization-low) - How to tell whether low GPU utilization comes from compute, network, storage, data loading or scheduling, using one shared timeline of metrics. - [Using Network and Application Topology to Find Business Impact](https://www.mrplanb.com/blog/network-topology-application-topology-business-impact-infrastructure-failures) - How network and application topology trace a failed switch, server or GPU up to affected services, down to root causes, and across to owners. - [Managing Dedicated Circuits Between Data Centers](https://www.mrplanb.com/blog/manage-dedicated-circuits-private-network-links-between-data-centers) - How to manage private lines between data centers: circuit inventory, contracts, latency and loss monitoring, backup paths, failover, alarms and cost. - [How Remote KVM and Out of Band Control Cut Data Center Visits](https://www.mrplanb.com/blog/remote-kvm-out-of-band-control-reduce-data-center-visits) - How BMC remote KVM, power control and hardware telemetry let engineers diagnose and recover servers remotely and go onsite only for real repairs. - [How Multiple Teams and Tenants Can Securely Share GPU Clusters](https://www.mrplanb.com/blog/securely-share-expensive-gpu-infrastructure-multiple-teams-tenants) - How to share GPU clusters across teams and tenants: tenant and project boundaries, quotas, priorities, GPU slicing, metering, audit and vendor access. - [Veeam Jobs: Locked Files and Stuck Checkpoints](https://www.mrplanb.com/blog/veeam-locked-files-checkpoint-failures) - Locked backup files and failed Hyper-V checkpoint cleanup can turn one Veeam problem into several stuck jobs. - [CMDB vs DCIM vs ITOM vs AIOps vs Cloud Management Platforms](https://www.mrplanb.com/blog/difference-cmdb-dcim-itom-aiops-cloud-management-platforms) - How CMDB, DCIM, ITOM, AIOps and cloud management platforms differ, where they overlap, and which system should own which infrastructure data. - [Veeam Failover Cluster Backup Copies Duplicating Storage](https://www.mrplanb.com/blog/veeam-failover-cluster-backup-copy-duplication) - A Veeam 12 report of failover cluster backup copies duplicating shared storage per node, what Veeam 13 documents, and how to test it before rollout. - [Enterprise RAG: Chunking, Vectors and Retrieval Testing](https://www.mrplanb.com/blog/rag-enterprise-knowledge-bases-chunking-vectorization-retrieval-testing) - How enterprise RAG runs as an operation: chunking, vectorization, hit rate, matched samples and retrieval testing kept separate from the model. - [Server Warranties, Contracts and Spare Parts in One Place](https://www.mrplanb.com/blog/manage-server-warranties-maintenance-contracts-vendors-spare-parts) - Organizations can manage server warranties, maintenance contracts, vendors, and spare parts in one system by linking them to the same asset identity. - [What Is an AI Data Center? Key Differences Explained](https://www.mrplanb.com/blog/what-is-an-ai-data-center) - How an AI data center differs from a traditional one, and what it has to manage: power, cooling, networking, storage, metrics and Kubernetes. - [In Band vs Out of Band Monitoring: Key Differences](https://www.mrplanb.com/blog/in-band-vs-out-of-band-monitoring) - How in band and out of band monitoring differ, where each misses problems, and how to correlate both paths for servers, bare metal and AI infrastructure. - [Correlating Raw Infrastructure Alarms Into One Actionable Incident](https://www.mrplanb.com/blog/correlate-raw-infrastructure-alarms-single-actionable-incident) - How to group raw infrastructure alarms into one incident using object identity, time windows, topology, shared workloads, history and rules. - [What Is Out of Band Management? BMC, Redfish and IPMI Explained](https://www.mrplanb.com/blog/what-is-out-of-band-management) - What out of band management is, what a BMC can see and control, how Redfish and IPMI differ, and why it needs its own isolated management network. - [GPU Resource Pooling and Scheduling in Kubernetes](https://www.mrplanb.com/blog/gpu-resource-pooling-kubernetes) - How Kubernetes schedules GPUs with device plugins and DRA, and how Kueue quotas, resource classes, topology and health checks turn them into a shared pool. - [Veeam Bloatware? Why Admins Say It Feels Harder](https://www.mrplanb.com/blog/veeam-bloatware-complexity-ui-website) - Why some admins now call Veeam frustrating bloatware: a sparser UI, a confusing product website, and the time it takes to keep it cooperating. - [Building Self Service Infrastructure With Governance and Approvals](https://www.mrplanb.com/blog/self-service-infrastructure-governance-approval-controls) - How to offer self-service infrastructure through standard resource specs, quotas, permissions, dynamic approvals, automatic execution and audit. - [Veeam Security: CVSS 9.9 CVEs and Exposed Backup Servers](https://www.mrplanb.com/blog/veeam-security-cves-exposed-backup-servers) - Veeam 12 and 13 CVSS 9.9 CVEs, domain joined backup servers, tricky patch paths and a VBR server exposed to the internet: what to check and fix. - [How to Manage Multi Vendor GPUs and NPUs in One Platform](https://www.mrplanb.com/blog/manage-multi-vendor-gpu-npu) - Managing GPUs and NPUs from several vendors: a common inventory, Kubernetes device plugins and DRA, resource pools, health aware scheduling and quotas. - [Veeam Restore Mistake: How Dev Hit Production](https://www.mrplanb.com/blog/veeam-restore-mistake-hit-production) - A Veeam restore intended for development hit production because one hosts-file entry pointed the dev database name at the production IP. - [Infrastructure Cost Tracking by Department, Project, App and Customer](https://www.mrplanb.com/blog/track-infrastructure-costs-departments-projects-applications-customers) - How to attribute GPU hours, Token usage, energy and storage to projects and tenants, then roll costs up to departments, applications and customers. - [How to Monitor GPU Health: ECC, Temperature, Power and Degraded Cards](https://www.mrplanb.com/blog/monitor-gpu-health-ecc-temperature-power-degraded-cards) - Monitor GPU health per card: ECC errors, temperature, power and clocks, how to define a degraded accelerator, and how health should drive scheduling. - [Map Business Apps to Servers, Containers, Databases and Storage](https://www.mrplanb.com/blog/map-business-applications-servers-containers-databases-network-storage) - How to build a service graph that links business applications to containers, servers, databases, network devices and storage, and keep it current. - [Liquid Cooling Monitoring: CDU, Loop and Distribution Branch](https://www.mrplanb.com/blog/what-to-monitor-cdu-liquid-cooling-loop-distribution-branch) - What to monitor in a CDU, liquid cooling loop and distribution branch: temperatures, flow, pressure, valves, leaks, collection health and rack mapping. - [Measuring Toil Reduction in SRE and Operations](https://www.mrplanb.com/blog/measure-toil-reduction-sre-infrastructure-operations) - How to measure toil reduction in SRE and infrastructure operations with task frequency, manual minutes, exception handling, MTTR and SLO guardrails. - [Showback Versus Chargeback for IT and AI Infrastructure Costs](https://www.mrplanb.com/blog/showback-versus-chargeback-it-ai-infrastructure-cost-management) - Showback and chargeback compared for IT and AI infrastructure: GPU hours, Token metering, idle and shared cost, and when to make cost reports binding. - [Compare Cost and Utilization Across GPU Accelerators](https://www.mrplanb.com/blog/compare-cost-utilization-gpu-accelerator-models) - Compare GPU and accelerator models on the same workload: card-hour cost, completion time, task success, power, Token output, SLOs and idle rate. - [Veeam S3 and SOBR: Why Tiering Jobs Fail](https://www.mrplanb.com/blog/veeam-s3-sobr-tiering-failures) - Why Veeam SOBR tiering to on-premises S3 can keep failing on a fast 10 Gb link, and how to isolate the object storage, network and Veeam layers. - [AI Agent Workflows, Intent Routing and Multi-Agent Teams](https://www.mrplanb.com/blog/manage-ai-agents-workflows-intent-routing-multi-agent-collaboration) - How to run AI agents as managed services: inventory, orchestration workflows, intent routing with safe fallback, multi-agent planning and metrics. - [How Developers Can Request Compute Without Manual Provisioning](https://www.mrplanb.com/blog/developers-request-compute-without-manual-provisioning) - How developers can request GPU and compute resources through standard specifications, quota checks, approval, health-aware scheduling and automation. - [Monitoring Hardware When the OS or Network Is Down](https://www.mrplanb.com/blog/monitor-hardware-without-operating-system-production-network) - How out-of-band BMC monitoring over Redfish, IPMI and vendor APIs keeps hardware visible when the operating system or production network fails. - [How to Use Error Budgets to Balance Releases and Reliability Work](https://www.mrplanb.com/blog/error-budgets-releases-prioritize-reliability-work) - Use SLO error budgets as a release gate: 30-day rolling windows, fast and slow burn alerts, freeze thresholds, and how to prioritize reliability work. - [Veeam UI Bug: When an IP Field Blocks Migration](https://www.mrplanb.com/blog/veeam-static-ip-ui-bug-migration) - A Veeam migration where the static IPv4 field rejected input after a zero, why it matters for backup servers, and the supported V13 network workarounds. - [How AI Assistants Can Use Alarms, Work Orders and Runbooks in IT Ops](https://www.mrplanb.com/blog/ai-assistants-alarms-work-orders-runbooks-infrastructure-documents-it-operations) - How an AI operations assistant combines alarms, work orders, runbooks, architecture documents and live monitoring data, and where its authority stops. - [Veeam V13 Upgrade: Migration Problems and Patch Traps](https://www.mrplanb.com/blog/veeam-v13-upgrade-migration-problems) - Veeam V13 upgrade guide: why the staged rollout, build specific patch packages and feature timing confused admins, plus what to check before you migrate. - [Managing BMC Configuration Across Multi-Vendor Servers](https://www.mrplanb.com/blog/manage-bmc-configuration-multi-vendor-servers) - Enterprises can safely manage BMC configuration across different server vendors by separating policy from vendor-specific implementation. - [When to Use GPU Quotas, Reservations, Priorities and Preemption](https://www.mrplanb.com/blog/gpu-quotas-reservations-priorities-preemption-when-to-use) - GPU quotas, reservations, priorities, and preemption solve four different scheduling problems. - [How to Reduce Alert Fatigue Without Missing Incidents](https://www.mrplanb.com/blog/reduce-alert-fatigue-without-missing-critical-infrastructure-incidents) - Group and correlate alarms and suppress downstream symptoms while keeping raw evidence and critical alerts visible, so operators handle fewer incidents. - [Veeam Immutable Backups: How Much Should You Trust Them?](https://www.mrplanb.com/blog/veeam-immutable-backups-trust) - How far to trust Veeam hardened repository immutability against ransomware, what it protects, where admins stay skeptical, and why tape still matters. - [How Canary Rollouts Reduce Risk in Infrastructure Operations](https://www.mrplanb.com/blog/canary-rollout-infrastructure-operations-reduce-risk) - What a canary rollout is in infrastructure operations, how to pick and size the canary group, set success criteria, and stop or roll back safely. - [Veeam Pricing: Why SMB Renewals Can Jump So Hard](https://www.mrplanb.com/blog/veeam-pricing-smb-renewal-nas-licensing) - Veeam pricing can jump dramatically when an SMB moves from an older socket based purchase into a different workload or capacity model. - [Forecasting Compute, Storage, Network and Power Capacity](https://www.mrplanb.com/blog/forecast-compute-storage-network-power-cooling-capacity) - How to forecast compute, storage, network, power and cooling capacity with deployment profiles, reservations, growth scenarios and lead times. - [Build an IT Ops Knowledge Base From Incidents and Runbooks](https://www.mrplanb.com/blog/build-it-operations-knowledge-base-incidents-alarms-runbooks-postmortems) - How to turn incident tickets, alarms, runbooks, postmortems and architecture documents into a versioned, permission-aware operations knowledge base. - [Cut Infrastructure Costs With Peak and Off-Peak Pricing](https://www.mrplanb.com/blog/peak-off-peak-electricity-pricing-reduce-infrastructure-costs) - How to shift flexible AI and batch workloads into off-peak tariff windows, calculate the saving, and protect SLOs, deadlines and capacity along the way. - [Datasets, Fine Tuning, Evaluation and Deployment in Model Ops](https://www.mrplanb.com/blog/model-evaluation-datasets-fine-tuning-deployment-enterprise-model-operations-wor) - How dataset versions, fine-tuning tasks, evaluation evidence and deployment templates connect into one traceable enterprise model operations workflow. - [How Automation Blocks Dangerous Production Commands](https://www.mrplanb.com/blog/prevent-dangerous-commands-production-infrastructure-automation) - How blacklists, approved script versions, scoped permissions, canary runs, rollback and two-person approval stop automation running dangerous commands. - [7 Best Checkmk Alternatives in 2026 (Compared)](https://www.mrplanb.com/blog/checkmk-alternatives) - Checkmk alternatives compared for 2026: Zabbix, Prometheus + Grafana, LibreNMS, Nagios Core, Icinga2, Datadog and PRTG, and which fits each scenario. - [Does QEMU Limit Proxmox Virtual Machine Performance?](https://www.mrplanb.com/blog/does-qemu-limit-proxmox-virtual-machine-performance) - QEMU adds some overhead to every Proxmox virtual machine, but it is rarely the main reason a workload performs poorly. - [6 Best LibreNMS Alternatives in 2026 (Compared)](https://www.mrplanb.com/blog/librenms-alternatives) - LibreNMS alternatives compared for 2026: Zabbix for wider scope, Checkmk for auto-discovery, PRTG and SolarWinds for support, Observium and Prometheus. - [LibreNMS vs Datadog vs LogicMonitor: Is Free Monitoring Enough?](https://www.mrplanb.com/blog/librenms-vs-commercial-monitoring-tools) - LibreNMS vs Datadog vs LogicMonitor: what commercial network monitoring adds, what self-hosted LibreNMS really costs, and when free is enough. - [LibreNMS vs Prometheus in 2026: Network vs Cloud-Native Monitoring](https://www.mrplanb.com/blog/librenms-vs-prometheus) - LibreNMS vs Prometheus: SNMP auto-discovery for network gear vs Kubernetes-native metrics with exporters and Grafana, and which to pick for each job. - [Nginx Proxy Manager vs Traefik: Choosing a Proxmox Reverse Proxy](https://www.mrplanb.com/blog/nginx-proxy-manager-vs-traefik-on-proxmox-which-reverse-proxy-should-you-choose) - A reverse proxy gives applications running on Proxmox consistent domain names, HTTPS certificates and a controlled path from users to internal services. - [OpenNMS vs Zabbix in 2026: Enterprise Network Monitoring Compared](https://www.mrplanb.com/blog/opennms-vs-zabbix) - OpenNMS vs Zabbix for 2026: provisioning at scale, NOC alarm correlation, community size, editions and cost, and which fits carriers or general IT. - [Pi hole vs AdGuard Home on Proxmox: Which DNS Blocker Is Better?](https://www.mrplanb.com/blog/pi-hole-vs-adguard-home-on-proxmox-which-dns-blocker-is-better) - Pi hole and AdGuard Home compared on Proxmox: interface, blocking control, encrypted DNS, DHCP, LXC installation, maintenance and privacy. - [Plex vs Jellyfin on Proxmox: Which Media Server Is Better?](https://www.mrplanb.com/blog/plex-vs-jellyfin-on-proxmox-which-media-server-is-better) - Plex vs Jellyfin on Proxmox compared on ease of use, hardware transcoding, Direct Play, remote access, privacy, install options and backups. - [Zabbix vs Prometheus: Which Monitoring Tool Should You Pick?](https://www.mrplanb.com/blog/prometheus-vs-zabbix) - Zabbix vs Prometheus compared: pull vs push, Kubernetes fit, alerting, dashboards and storage, plus which tool suits cloud-native or traditional setups. - [Proxmox VE Version History and Upgrade Paths (Updated for 9.2)](https://www.mrplanb.com/blog/proxmox-ve-version-history-upgrade-paths) - A running reference for Proxmox VE major versions, their Debian bases, known rough edges, and the one-major-at-a-time upgrade path to 9.2. - [QEMU vs KVM in Proxmox: What Is the Difference?](https://www.mrplanb.com/blog/qemu-vs-kvm-in-proxmox-what-is-the-difference) - How QEMU and KVM split the work inside a Proxmox virtual machine, where Proxmox fits above them, and what that means for performance and troubleshooting. - [Should You Run OPNsense on Proxmox in Production?](https://www.mrplanb.com/blog/should-you-run-opnsense-on-proxmox-in-production) - When a virtual OPNsense firewall on Proxmox is safe for production: bridges, passthrough, startup order, CARP failover, backups and management access. - [Should You Run Pi hole in LXC or a VM on Proxmox?](https://www.mrplanb.com/blog/should-you-run-pi-hole-in-lxc-or-a-vm-on-proxmox) - Pi hole on Proxmox in an unprivileged LXC container or a full VM: resources, isolation, backups, updates, DHCP and running a second DNS instance. - [Should You Run Plex in LXC or a VM on Proxmox?](https://www.mrplanb.com/blog/should-you-run-plex-in-lxc-or-a-vm-on-proxmox) - Plex on Proxmox in an LXC container or a VM, compared on Quick Sync and GPU passthrough, isolation, media storage, backups and day to day maintenance. - [Should You Run the Ubiquiti UniFi Network Application on Proxmox?](https://www.mrplanb.com/blog/should-you-run-the-ubiquiti-unifi-network-application-on-proxmox) - Hosting the UniFi Network Application or UniFi OS Server on Proxmox: VM vs LXC, sizing, networking, backups, migration, updates, HA and limits. - [Homelab Monitoring in 2026: What People Are Actually Choosing](https://www.mrplanb.com/blog/state-of-homelab-monitoring-2026) - What homelabbers and small IT teams search for, compare and adopt for monitoring in 2026, based on real search demand instead of vendor marketing. - [UniFi Controller on Proxmox vs CloudKey: Which to Choose](https://www.mrplanb.com/blog/unifi-controller-vs-unifi-cloudkey-should-you-host-unifi-on-proxmox) - Should you host the UniFi Controller on Proxmox or buy a CloudKey+? Compare supported apps, VM vs LXC, reliability, backups, updates and cost. - [Zabbix Pros and Cons in 2026: Strengths, Weaknesses and Fit](https://www.mrplanb.com/blog/zabbix-pros-and-cons) - The pros and cons of Zabbix in 2026: what it does well, where it struggles, and which teams should or shouldn't choose it. - [Zabbix vs Grafana in 2026: How the Two Tools Actually Fit Together](https://www.mrplanb.com/blog/zabbix-vs-grafana) - Zabbix vs Grafana explained: why this isn't really a head-to-head, how they pair together, and where Checkmk vs Grafana fits the same pattern. - [Automatic Incident Postmortems from Alarms and Work Orders](https://www.mrplanb.com/blog/automatic-incident-postmortems-alarms-timelines-work-orders-remediation) - Incident postmortems can be generated automatically when the incident-response system captures the evidence while the incident is happening. - [Hot and Cold Data Tiering: Cut Storage Cost, Keep Speed](https://www.mrplanb.com/blog/hot-cold-data-tiering-storage-cost-performance) - How to tier hot and cold data by access pattern and check throughput, IOPS, latency and recall so cheaper storage does not slow applications or training. - [Automatic, Semi Automatic and Manual Remediation in IT Operations](https://www.mrplanb.com/blog/automatic-semi-automatic-manual-remediation-it-operations) - Automatic, semi automatic, and manual remediation differ mainly in who is allowed to authorize and execute the recovery action. - [Central Monitoring of Server Fans, PSUs, Disks and PCIe](https://www.mrplanb.com/blog/centrally-monitor-server-fans-power-supplies-disks-memory-pcie) - Monitor fans, power supplies, disks, memory, PCIe cards and GPUs centrally with BMC telemetry, a common component model, correlation and repair links. - [Automating Data Centers With Approvals, RBAC, Rollback and Audit](https://www.mrplanb.com/blog/automate-data-center-operations-approvals-permissions-rollback-audit) - Enterprises can automate data center operations safely by separating observation from change and separating low-risk actions from high-risk ones. - [SolarWinds 2026 Price Hike Leaves Customers Asking Why They Pay](https://www.mrplanb.com/blog/solarwinds-2026-price-hike-has-customers-asking-the-one-question-vendors-fear-most-why-are-we-still-paying) - A SolarWinds renewal jumped from $7,900 to $19,936 with a three-year push. Customers compare notes on pushback, support, Zabbix quotes and leaving. - [SolarWinds Customers Are Furious About the Subscription Shift](https://www.mrplanb.com/blog/solarwinds-customers-are-furious-the-subscription-shift-feels-less-like-progress-and-more-like-a-shakedown) - SolarWinds seems to be dropping perpetual licenses. Customers share renewal hikes, negotiation tactics, HCO math and the alternatives they weigh. - [SolarWinds Customers Face a 2026 Renewal Shock and Push Back Hard](https://www.mrplanb.com/blog/solarwinds-customers-are-getting-the-2026-renewal-shock-and-the-anger-is-no-longer-quiet) - One SolarWinds renewal jumped from $7,900 to $19,936. Customers describe three-year contract pressure and how a Zabbix quote cut the increase. - [SolarWinds Tries a Broadcom Pricing Move, and Customers Push Back](https://www.mrplanb.com/blog/solarwinds-thinks-it-can-pull-a-broadcom-but-customers-aren-t-buying-the-bluff) - SolarWinds customers react to forced three-year subscriptions and big renewal hikes by weighing Zabbix, PRTG and LogicMonitor as ways out. - [Detecting Stranded Data Center Capacity, Power to Storage](https://www.mrplanb.com/blog/detect-stranded-capacity-power-cooling-network-storage-constraints) - How to find stranded data center capacity by comparing free space, power, cooling, network and storage headroom against a real deployment profile. - [Is Terraform the Best Way to Manage Proxmox Infrastructure?](https://www.mrplanb.com/blog/is-terraform-the-best-way-to-manage-proxmox-infrastructure) - Where Terraform fits in Proxmox: the BPG provider, supported versions, importing existing VMs, state risks, and how it works with Ansible and the UI. - [OPNsense vs pfSense on Proxmox: Which Virtual Firewall Is Better?](https://www.mrplanb.com/blog/opnsense-vs-pfsense-on-proxmox-which-virtual-firewall-is-better) - OPNsense and pfSense compared as Proxmox virtual machines: interface, features, update cadence, licensing, VPNs, CARP high availability and risks. - [Portainer vs Proxmox for Containers: Which Gives More Control?](https://www.mrplanb.com/blog/portainer-vs-proxmox-container-management-which-gives-you-more-control) - Portainer vs Proxmox compared: LXC and VM infrastructure control against Docker and Kubernetes app management, with backups, access and deployment. - [Proxmox LXC vs VM: Where to Run Portainer and Docker](https://www.mrplanb.com/blog/should-you-run-portainer-in-lxc-or-a-vm-on-proxmox) - Proxmox LXC vs VM for Docker and Portainer, compared on isolation, resources, storage, backups, upgrades and clustering, with a clear pick for most users. - [Should You Run Traefik in Docker, LXC or a VM on Proxmox?](https://www.mrplanb.com/blog/should-you-run-traefik-in-docker-lxc-or-a-vm-on-proxmox) - Comparing Traefik in Docker inside a VM, native in LXC, and Docker inside LXC on Proxmox, with the isolation, socket security and recovery tradeoffs. - [Traefik vs Nginx Proxy Manager on Proxmox: Which Is Easier?](https://www.mrplanb.com/blog/traefik-vs-nginx-proxy-manager-on-proxmox-which-is-easier) - Compares Traefik and Nginx Proxy Manager on Proxmox for install, adding services, SSL, Docker automation, troubleshooting, security and backups. - [Proxmox in Docker Sounds Wrong, Which Is Why Everyone Watched](https://www.mrplanb.com/blog/proxmox-in-docker-sounds-wrong-which-is-exactly-why-everyone-couldn-t-look-away) - A project runs Proxmox VE inside a Docker container as a test playground. The homelab crowd reacted with memes, real worries about nesting, and curiosity. - [Proxmox Kernel 6.14 Is Out of Support and Homelab Admins Feel It](https://www.mrplanb.com/blog/proxmox-kernel-6-14-just-got-cut-loose-and-homelab-admins-are-feeling-the-floor-move) - Proxmox ended support for kernel 6.14. Homelab users weigh DMAR passthrough bugs, NVIDIA driver builds and kernel pinning before moving to 6.17 or 7.0. - [The Homelab Debate Got Ugly Because IncusOS Hit a Nerve](https://www.mrplanb.com/blog/the-homelab-debate-got-ugly-because-incusos-hit-a-nerve) - An IncusOS test on Proxmox sparked a heated debate over security defaults, immutable updates, backups, and whether polished posts are now suspect. - [GlusterFS Was Supposed to Be Dead, Then It Came Back to Proxmox 9](https://www.mrplanb.com/blog/glusterfs-was-supposed-to-be-dead-then-someone-dragged-it-back-into-proxmox) - Proxmox 9 dropped GlusterFS and a community plugin brought it back. The debate over maintenance, enterprise support, Ceph and what the revival can't fix. - [Proxmox Needs a Coherent Storage Story More Than a TrueNAS Killer](https://www.mrplanb.com/blog/proxmox-doesn-t-need-a-truenas-killer-it-needs-a-storage-story-that-makes-sense) - Should Proxmox build a ZFS-first storage appliance for PVE? The case for filling the gap between local ZFS and Ceph, and why it could become a trap. - [The Proxmox Installer Didn’t Fail. That Monster PC Probably Did.](https://www.mrplanb.com/blog/the-proxmox-installer-didn-t-fail-that-monster-pc-probably-did) - A Proxmox USB that works on one Z790 PC but panics on an i9-14900K build points to hardware. BIOS defaults, XMP, RAM tests and a methodical debug plan. - [Tiny TMNT Homelab Is Cute, but It Runs a Full Production Pipeline](https://www.mrplanb.com/blog/this-tiny-tmnt-homelab-is-cute-until-you-realize-it-s-a-full-production-pipeline) - A two-node TMNT-themed homelab on HP EliteDesk minis running Proxmox, k3s, ArgoCD, Longhorn, Traefik and Cloudflare Tunnel, and what it teaches. - [How to Reduce GPU Fragmentation When Scheduling AI Workloads](https://www.mrplanb.com/blog/reduce-gpu-fragmentation-ai-workload-scheduling) - GPU fragmentation can be reduced by managing accelerators as structured resource pools instead of a flat card count. - [Ansible vs Terraform for Proxmox Automation: Which Should You Use?](https://www.mrplanb.com/blog/ansible-vs-terraform-for-proxmox-automation-which-should-you-use) - How Terraform and Ansible each automate Proxmox VE, their risks around state, providers and idempotency, and when to use one or both together. - [Can Ansible Fully Automate a Proxmox Cluster?](https://www.mrplanb.com/blog/can-ansible-fully-automate-a-proxmox-cluster) - What Ansible can automate in a Proxmox VE cluster, from node setup and cluster joins to VMs, storage, backups and firewalls, and what still needs a human. - [Proxmox vs XCP-ng: Which Open Source Hypervisor Is Better?](https://www.mrplanb.com/blog/proxmox-vs-xcp-ng-which-open-source-hypervisor-is-better) - Proxmox VE 9.2 vs XCP-ng 8.3 compared on containers, management, storage, backup, VMware migration and licensing, with advice on which to choose. - [Should You Choose XCP ng or Proxmox for a VMware Migration?](https://www.mrplanb.com/blog/should-you-choose-xcp-ng-or-proxmox-for-a-vmware-migration) - Proxmox VE vs XCP ng for leaving VMware: import tools, warm and live migration downtime, disk and vTPM limits, and the operating model afterward. - [Terraform vs Manual Proxmox Deployment: Which Is More Reliable?](https://www.mrplanb.com/blog/terraform-vs-manual-proxmox-deployment-which-is-more-reliable) - Compares manual Proxmox VM deployment with Terraform and the BPG provider on consistency, state, drift, security and when each is the more reliable choice. - [How a CMDB Links Servers, GPUs, Containers, Services and Owners](https://www.mrplanb.com/blog/cmdb-connect-servers-gpus-containers-applications-services-owners) - How to model servers, GPUs, containers, applications, business services and owners in a CMDB with typed relationships for impact, scheduling and cost. - [How to Build an Asset Lifecycle From Procurement to Retirement](https://www.mrplanb.com/blog/complete-asset-lifecycle-procurement-deployment-maintenance-retirement) - How to run one hardware asset record through procurement, acceptance, deployment, maintenance, optimization and retirement so no history gets lost. - [Cheap Lenovo Mini PCs and a Raspberry Pi 5 as a Homelab Cluster](https://www.mrplanb.com/blog/a-stack-of-cheap-lenovos-and-a-raspberry-pi-turned-into-the-perfect-homelab-rabbit-hole) - Auction Lenovo mini PCs and a Raspberry Pi 5 become a homelab cluster: Proxmox vs CloudStack, CEPH or NAS storage, high availability and useful services. - [Proxmox 8 to 9 Upgrade: So Smooth Admins Doubted It](https://www.mrplanb.com/blog/proxmox-8-to-9-went-so-smoothly-it-made-people-suspicious-of-their-own-anxiety) - Real Proxmox VE 8 to 9 upgrade reports: what pve8to9 caught, why simple nodes sailed through, and where clusters, LXC hacks and NICs still broke. - [Proxmox Became a Symbol in Europe’s Messy Fight to Take Tech Back](https://www.mrplanb.com/blog/proxmox-became-a-symbol-in-europe-s-messy-fight-to-take-tech-back) - A call to vote for Proxmox on goeuropean.org turned into a debate over tracking, Cloudflare, TLS termination and what European tech sovereignty means. - [Proxmox Datacenter Manager 1.1 Feels Like the Missing Pane of Glass, But Not Everyone Needs the Window](https://www.mrplanb.com/blog/proxmox-datacenter-manager-1-1-feels-like-the-missing-pane-of-glass-but-not-everyone-needs-the-window) - Proxmox Datacenter Manager 1.1 landed with the kind of quiet announcement that sounds boring until you realize how many people have been waiting for exa... - [Proxmox Mobile App: Official VE Companion on iOS and Android](https://www.mrplanb.com/blog/proxmox-finally-has-an-official-mobile-app-and-half-the-community-somehow-missed-it) - Proxmox VE Companion is the official Proxmox mobile app for iOS and Android: what it does, trust questions, and how it compares with ProxMate and ProxMobo. - [Proxmox Kernel Updates Are Exhausting, but Ignoring Them Feels Worse](https://www.mrplanb.com/blog/proxmox-kernel-updates-are-exhausting-but-ignoring-them-feels-even-worse) - Why Proxmox kernel updates keep coming, from container escape fixes to update fatigue, and how rollback, staged rollouts and Ansible make them bearable. - [Proxmox Mail Gateway 9.1 Is a Boring Release in the Best Possible Way](https://www.mrplanb.com/blog/proxmox-mail-gateway-9-1-is-a-boring-release-in-the-best-possible-way) - Proxmox Mail Gateway 9.1 brings Debian 13.5, quarantine seen status, on-demand image loading and encrypted backups to Proxmox Backup Server. - [PVE-Electrified: The Proxmox UI Mod That Starts a Knife Fight](https://www.mrplanb.com/blog/pve-electrified-is-the-kind-of-proxmox-mod-that-starts-a-ui-knife-fight) - PVE-electrified adds command buttons, a React resource tree and faster state updates to Proxmox, and homelab users are split on the clutter. - [GTX 1080 Ti vs RTX 20 Series: Is 11GB of VRAM Still Worth It?](https://www.mrplanb.com/blog/the-gtx-1080-ti-still-has-the-vram-but-the-future-has-moved-on-without-it) - Is a GTX 1080 Ti with 11GB of VRAM still worth buying over an RTX 2060 or 2070 for Proxmox VMs? DLSS, driver support, vGPU unlock and AMD options. - [Virtual OS Museum on Proxmox: Retro Heaven With a Network Gremlin](https://www.mrplanb.com/blog/virtual-os-museum-on-proxmox-is-retro-heaven-with-a-network-gremlin-hiding-inside) - Running the Virtual OS Museum on Proxmox: importing the VDI, ZFS sizing traps, nesting in a Debian VM, and why its emulated network can hijack your LAN. - [How Data Centers Can Identify Underused Servers, GPUs and Resources](https://www.mrplanb.com/blog/identify-underused-servers-gpus-expensive-infrastructure-resources) - How to find underused servers, GPUs, storage and circuits by comparing allocation, utilization, power, bottlenecks, reservations and service role. - [Building Standardized Service Catalogs for Infrastructure and AI](https://www.mrplanb.com/blog/standardized-service-catalogs-infrastructure-ai-services) - How to turn compute, bare metal, storage, network, model deployment and API requests into catalog items with owners, quotas, approvals and metering. - [Unified Operations Cockpit for Data Centers, Cloud, Networks and AI](https://www.mrplanb.com/blog/unified-operations-cockpit-data-centers-cloud-networks-ai-infrastructure) - How to build one operations cockpit for data centers, cloud, networks and AI that reuses existing metrics and drills down to the records behind them. - [AI Infrastructure Cost by GPU Hour, Token, Project, Tenant, Model](https://www.mrplanb.com/blog/measure-ai-infrastructure-cost-gpu-hour-token-project-tenant-model) - Companies can measure AI infrastructure cost by combining resource metering and service metering under the same ownership model. - [How to Build an Auditable Change Management Process for IT Operations](https://www.mrplanb.com/blog/auditable-change-management-process-infrastructure-operations) - How to make every infrastructure change traceable, from request and impact review through approval, execution, validation, rollback and audit logs. - [Escalating Incidents Automatically When Engineers Don't Respond](https://www.mrplanb.com/blog/automatically-escalate-incidents-engineer-no-response) - How to auto-escalate incidents through a four-level on-call chain with per-level timeouts, live rosters, substitutes, notification records and handover. - [KPIs to Track in a Unified Infrastructure Operations Dashboard](https://www.mrplanb.com/blog/infrastructure-operations-dashboard-kpis) - The five KPI groups for an infrastructure operations dashboard (supply, efficiency, service quality, cost and consumption) and what to measure in each. - [Amazon’s Water Number Looks Huge Until the Real Fight Starts](https://www.mrplanb.com/blog/amazon-s-water-number-looks-huge-until-the-real-fight-starts) - Amazon's data centers used 2.5 billion gallons of water. Why the figure set off a fight over agriculture comparisons, local impact and big tech trust. - [Data Center Workers Are Tired of Being the Internet's Villain](https://www.mrplanb.com/blog/data-center-workers-are-getting-tired-of-being-the-internet-s-villain) - Data center workers describe conspiracy posts, threats and hiding their jobs, while residents raise real concerns about tax deals, power and water. - [He Got a Microsoft Data Center Contract Job at 21. What Comes Next](https://www.mrplanb.com/blog/he-got-the-data-center-job-now-comes-the-part-nobody-puts-in-the-offer-letter) - A 21-year-old landed a Microsoft contract data center technician role. Advice on tailored resumes, contract-to-hire odds, travel and building leverage. - [Hired as a Data Center Tech, Then Asked to Run All of IT](https://www.mrplanb.com/blog/he-was-hired-as-a-data-center-tech-then-they-tried-to-turn-him-into-the-whole-it-department) - A data center tech was pushed into running networks, firewalls and Citrix for 2,000 users on salary with no support. Readers said: get out and interview. - [The AI Data Center Boom Feels Like 1999 With Hotter Chips](https://www.mrplanb.com/blog/the-ai-data-center-boom-feels-like-1999-with-hotter-chips-and-a-shorter-fuse) - Is the AI data center boom a replay of the 1999 fiber bubble? GPU depreciation, power limits, token demand and who survives an overbuild. - [The AI Data Center Race Has Turned Into a Power Race](https://www.mrplanb.com/blog/the-ai-data-center-race-just-turned-into-a-power-race-and-nobody-looks-ready) - China's $295 billion AI data center plan puts power, grid capacity, supply chains and local politics at the center of the AI race with the US. - [The Data Center Panic Is Getting Loud, Weird, and Exhausting](https://www.mrplanb.com/blog/the-data-center-panic-is-getting-loud-weird-and-exhausting) - Why data center panic is growing: myths about edge sites replacing data centers by 2030, privacy gadgets that still use the cloud, and real local concerns. - [The Data Center Panic Is Overblown, But the Bill Is Still Coming](https://www.mrplanb.com/blog/the-data-center-panic-is-overblown-but-the-bill-is-still-coming) - Data center fears get loud, but power bills, grid debt, farmland, tax deals, and AI bubble risk are real questions communities need answered. - [The Free Data Center Course Everyone Was Desperate to Find](https://www.mrplanb.com/blog/the-free-data-center-course-everyone-was-desperate-to-find) - Schneider Electric's free Data Center Certified Associate learning path: what it covers, how to find it, and why beginners were so glad to see it shared. - [Service Gateway Failover for Unhealthy Model Inference Services](https://www.mrplanb.com/blog/service-gateway-automatic-traffic-switch-unhealthy-model-inference-service) - How a model service gateway detects unhealthy channels, routes to approved fallbacks, keeps Token metering and rate limits intact, and switches back. - [Business Service Management vs Infrastructure Monitoring](https://www.mrplanb.com/blog/business-service-management-vs-infrastructure-monitoring) - What business service management adds to infrastructure monitoring: service health scores, topology, SLOs, ownership and impact-based incident priority. - [How to Automate Data Center Hardware Health Inspections](https://www.mrplanb.com/blog/automate-hardware-health-inspections-data-center) - How to replace manual data center checks with scheduled hardware inspections, exception reports, and work orders for the findings that need action. - [Detect Configuration Drift Against an Approved Baseline](https://www.mrplanb.com/blog/configuration-drift-current-environment-approved-baseline) - How infrastructure teams compare discovered firmware, components, location and settings with an approved baseline and turn drift into traceable changes. - [API Keys, Rate Limits, Quotas, Routing and Fallback for AI Services](https://www.mrplanb.com/blog/manage-api-keys-rate-limits-quotas-routing-fallback-ai-model-services) - Organizations can manage API keys, rate limits, quotas, routing, and fallback by placing those controls at a unified model-service gateway. - [MTTD, MTTR, SLOs and Error Budgets for AI Infrastructure](https://www.mrplanb.com/blog/sre-mttd-mttr-slo-error-budgets-burn-rate-ai-infrastructure) - How MTTD, MTTR, SLOs, error budgets and burn rate apply to AI inference, training and infrastructure, with formulas, example targets and dashboard metrics. - [Root Cause Analysis With Topology, Metrics, Incidents and CMDB Data](https://www.mrplanb.com/blog/root-cause-analysis-topology-time-series-historical-incidents-configuration-rela) - How root cause analysis combines topology, time-series metrics, historical incidents and configuration relationships into an explainable result. - [How IT Teams Can Measure Whether Automated Remediation Is Working](https://www.mrplanb.com/blog/measure-automated-remediation-operational-efficiency) - Metrics that show whether automated remediation improves IT operations: MTTR, MTTD, toil, rollback and recurrence, SLOs, and L1 to L3 risk tiers. - [How to Calculate the Cost of Idle Infrastructure](https://www.mrplanb.com/blog/calculate-idle-infrastructure-cost-optimization-recommendations) - How to measure idle infrastructure time, price it with card-hour and energy costs, classify the cause and turn it into optimization recommendations. - [What Is MaaS? Repositories, Inference, API Gateways and Token Metering](https://www.mrplanb.com/blog/what-is-maas-model-repositories-inference-api-gateway-token-metering) - MaaS, or Model as a Service, turns an AI model into an operable service that applications can call through a controlled interface. - [Connecting Hardware Health to Business Services for Proactive Ops](https://www.mrplanb.com/blog/connect-hardware-health-applications-business-services-proactive-operations) - How CMDB relationships link hardware warnings to workloads, services, owners and redundancy so teams can prioritize and repair before a failure. - [Proxmox Launched an iOS App and Homelab Owners Feel Weirdly Seen](https://www.mrplanb.com/blog/proxmox-quietly-dropped-an-ios-app-and-homelab-owners-are-feeling-weirdly-seen) - Homelab reactions to the official Proxmox VE Companion iOS app: plain but useful cluster, log and console access, a low-key launch and security caution. - [How to Detect Server Hardware Degradation Early](https://www.mrplanb.com/blog/detect-hardware-degradation-before-complete-server-failure) - Which signals reveal degrading server hardware while it is still online, from ECC and temperature trends to PSU redundancy loss, and what to do next. - [Automatic Training Job Recovery After a GPU or Server Failure](https://www.mrplanb.com/blog/automatic-recovery-training-jobs-gpu-server-failure) - How AI infrastructure recovers training jobs after a GPU or server failure: detection, checkpoints, isolating bad cards, replacement capacity, validation. - [How to Track Hardware Configuration Changes and Keep a CMDB Accurate](https://www.mrplanb.com/blog/track-hardware-configuration-changes-keep-cmdb-accurate) - How to keep CMDB hardware data accurate with out of band collection, component level comparison, change records, snapshots and source authority rules. - [Managing Rack Space, U Positions, Power Density and Expansion Capacity](https://www.mrplanb.com/blog/manage-rack-space-u-positions-power-density-expansion-capacity) - Why free U positions are not deployable capacity, and how to plan racks around power headroom, cooling, network ports, reservations and growth forecasts. - [Automatically Discover and Maintain Hardware Inventory](https://www.mrplanb.com/blog/automatically-discover-maintain-hardware-asset-inventories) - How data centers keep hardware inventories accurate with automatic discovery, stable identifiers, reconciliation and change history. - [Bare Metal Provisioning: OS, GPU Drivers and Monitoring](https://www.mrplanb.com/blog/automated-bare-metal-provisioning-physical-servers-os-gpu-drivers-monitoring-age) - How automated bare metal provisioning discovers and validates servers, installs the OS and GPU drivers, enables monitoring, and admits nodes to the pool. - [VMware VCF 9.1 Requirements Leave Smaller Labs Feeling Shut Out](https://www.mrplanb.com/blog/vmware-s-vcf-9-1-requirements-feel-like-a-door-slamming-shut-on-smaller-labs) - VCF 9.1's Service Runtime reportedly needs 40 vCPU and 82GB RAM at its smallest size. Why home labs and smaller shops are rethinking the upgrade. - [Total Cost of Ownership for GPU and AI Infrastructure](https://www.mrplanb.com/blog/total-cost-of-ownership-gpu-ai-infrastructure) - What goes into GPU and AI infrastructure TCO: hardware, card hours, energy, network, storage, maintenance, idle capacity and cost per Token. - [How to Calculate PUE, WUE and GPU Energy Cost per Token](https://www.mrplanb.com/blog/calculate-pue-wue-gpu-energy-cost-per-token) - How to calculate PUE, WUE, GPU energy and energy cost per Token, with worked formulas, measurement boundaries and shared GPU cost allocation. - [IT Operations Handover Checklist: What to Include](https://www.mrplanb.com/blog/it-operations-handover-checklist) - A five-confirmation IT operations handover checklist covering open incidents, active changes, service risk, on-call ownership and pending work. - [Managing Server Firmware Versions and Compliance at Scale](https://www.mrplanb.com/blog/manage-firmware-versions-compliance-thousands-servers) - How to track firmware versions, set baselines by hardware class, measure compliance and stage safe batch upgrades across thousands of servers. - [How AIOps Cuts Alarm Noise, Finds Root Cause and Business Impact](https://www.mrplanb.com/blog/how-aiops-reduces-alarm-noise-root-causes-business-impact) - How AIOps groups alarms, suppresses downstream noise, uses topology and timelines to find root causes, and maps failures to business impact. - [AI Content Safety: Prompt Injection, PII Masking and Audit Logs](https://www.mrplanb.com/blog/ai-content-safety-prompt-injection-pii-masking-model-service-audit-logs) - How to build AI content safety into the model path: inbound and outbound inspection, prompt injection policy, PII masking and append-only audit logs. - [Kernel 7.0 Upgrade Broke Every LXC Container on a Proxmox Host](https://www.mrplanb.com/blog/kernel-7-0-broke-the-containers-and-suddenly-the-easy-upgrade-didn-t-feel-so-easy) - After a kernel 7.0 upgrade, a Proxmox host booted its VM but no LXC containers. The logs, the community debate, and the package reinstall that fixed it. - [Proxmox VE 9.2 Upgrade: What Admins Report Before Updating](https://www.mrplanb.com/blog/press-update-and-pray-the-proxmox-9-2-upgrade-has-admins-excited-nervous-and-already-checking-their-backups) - Proxmox VE 9.2 and kernel 7.0 upgrade reports from admins: GPU and vGPU passthrough, ZFS changes, NIC renames, driver issues and when to upgrade. - [Proxmox 9.2 Lands, and Homelab Users Argue About Better](https://www.mrplanb.com/blog/proxmox-9-2-is-here-and-the-homelab-crowd-is-already-arguing-about-what-better-should-mean) - Proxmox 9.2 brings GUI UID and GID mapping for unprivileged LXCs, and the homelab community is debating 777 permissions and first-class OCI containers. - [Proxmox 9.2 Makes UID Mapping Easier and Revives the OCI Debate](https://www.mrplanb.com/blog/proxmox-9-2-landed-and-the-real-fight-is-over-how-much-power-the-ui-should-have) - Proxmox 9.2 adds a UI for LXC UID and GID mapping. Here is how the community reacted, from 777 confessions to the push for first-class OCI containers. - [LXC vs VM on Proxmox: Choosing Isolation for Homelab Services](https://www.mrplanb.com/blog/the-lxc-vs-vm-debate-is-really-about-fear-control-and-how-much-isolation-helps-you-sleep-at-night) - When to run a Proxmox homelab service in an LXC and when to use a VM: kernel sharing, isolation, Docker stacks, Home Assistant OS and backups. - [Upgrading Proxmox 8.2.7 to 9.2 on Six Nodes and a Backup Server](https://www.mrplanb.com/blog/the-proxmox-8-2-7-to-9-2-upgrade-sounds-simple-until-you-remember-it-s-six-servers-and-a-backup-box) - Planning a Proxmox 8.2.7 to 9.2 upgrade on a six-node cluster plus PBS: go to latest 8.x first, run pve8to9, and roll through one node at a time. - [How Incident History Speeds Up Troubleshooting](https://www.mrplanb.com/blog/previous-incidents-remediation-history-future-troubleshooting) - How work orders, raw alarms, timelines, postmortems and remediation results from past incidents help engineers troubleshoot new ones faster. - [High-Density GPU Data Centers: Power, Racks and Cooling](https://www.mrplanb.com/blog/high-density-gpu-data-center-power-rack-cooling-liquid-cooling) - High density GPU data centers should manage capacity as a set of simultaneous physical constraints, not as a count of empty racks. - [Finding Idle, Underutilized and Overcommitted Infrastructure](https://www.mrplanb.com/blog/identify-idle-underutilized-overcommitted-infrastructure-resources) - How to spot idle, underutilized and overcommitted infrastructure by comparing allocation, real use, queued work, service quality and idle reasons. - [Monitoring Server Power at Device, Rack and Site Level](https://www.mrplanb.com/blog/monitor-manage-server-power-device-rack-data-center) - Organizations can monitor and manage server power consumption by building a hierarchy from individual devices to racks, zones, and the full data center. - [VMware Exit Problems: Backups, Downtime and Hidden Dependencies](https://www.mrplanb.com/blog/the-vmware-exit-problem-backups-downtime-and-all-the-stuff-nobody-put-on-the-slide-deck) - Why leaving VMware is harder than converting VMs: backups, snapshots, vendor appliances, maintenance windows and support gaps that migration plans skip. - [Scaling a 40GB/s Ceph Cluster From Five Nodes to Six](https://www.mrplanb.com/blog/the-moment-a-40gb-s-storage-beast-hit-the-wall-then-grew-even-bigger) - A five-node Ceph cluster doing 40 GB/s reads and 2 million IOPS added a sixth NVMe node with no downtime. What smooth storage scaling depends on. - [Safely Automating Batch Patching, Firmware, Config and Scripts](https://www.mrplanb.com/blog/safely-automate-batch-patching-firmware-configuration-scripts) - How to automate patching, firmware upgrades, configuration changes and scripts safely with baselines, canaries, staged rollout, stop rules and rollback. - [HPE Alletra MP B10000: What Operators Report After Deployment](https://www.mrplanb.com/blog/the-storage-platform-that-looked-ready-until-operators-started-living-with-it) - HPE Alletra MP B10000 operators describe stable data delivery but unfinished management, failover and support workflows that wear teams down. - [How Liquid Cooling Monitoring Works in High Density Data Centers](https://www.mrplanb.com/blog/liquid-cooling-monitoring-high-density-data-centers) - How to monitor liquid cooling as one chain: CDUs, distribution branches, temperature, flow, pressure, leak detection, alerts and valve control. - [Automated Config Backups and Rollback Cut Change Risk](https://www.mrplanb.com/blog/automated-configuration-backups-rollback-infrastructure-change-risk) - How pre-change backups, config comparison, known-good baselines, canary rollout and tested rollback reduce infrastructure change risk. - [Data Center Energy Efficiency by Zone and Cooling Type](https://www.mrplanb.com/blog/compare-energy-efficiency-data-center-zones-cooling-technologies) - How to compare data center zones and cooling types fairly: same boundary and period, PUE with WUE, IT load, workload mix, density and reliability. - [VAST Data's AI OS: Real Infrastructure or Just AI Theater?](https://www.mrplanb.com/blog/vast-data-s-ai-os-has-people-asking-one-brutal-question-is-this-real-infrastructure-or-just-ai-theater) - Storage operators debate VAST Data's AI OS: agents, vector search and RAG on one platform, lock-in fears, and which enterprises actually need it. - [RDMA, RoCE and InfiniBand for AI Training Storage](https://www.mrplanb.com/blog/rdma-roce-infiniband-packet-loss-storage-ai-training) - Why distributed AI training slows down: how RDMA, InfiniBand, RoCE, packet loss, latency and storage leave GPUs waiting, and how to trace the cause. - [VMware Is Losing Customer Trust, and That May Be the Real Collapse](https://www.mrplanb.com/blog/nobody-trusts-vmware-anymore-and-that-might-be-the-real-collapse-no-one-saw-coming) - After Broadcom's price hikes, engineers still praise VMware's software but no longer trust the vendor, and Proxmox, OpenShift and Kubernetes gain ground. - [HPE MSA and Dell PowerVault: Why the Arrays Look the Same](https://www.mrplanb.com/blog/the-weird-little-secret-behind-hpe-msa-and-dell-powervault-sometimes-your-different-storage-array-isn-t-that-different) - HPE MSA, Dell PowerVault ME5 and Lenovo DS share Seagate (Dot Hill) roots. What really differs: support, licensing, firmware and approved drives. - [Why Leaving a Data Center Job Feels Impossible](https://www.mrplanb.com/blog/golden-cages-and-quiet-regret-why-walking-away-from-data-centers-feels-impossible-until-it-isn-t) - Data center workers weigh good pay against work that doesn't fit: why most stay, some plan an exit, and a few leave and say they've never been happier. - [Why Docker Feels Confusing: People Argue the Wrong Thing](https://www.mrplanb.com/blog/i-thought-i-didn-t-understand-docker-turns-out-everyone-else-is-arguing-about-the-wrong-thing) - Why questions about Docker, Hyper-V and WSL get mismatched answers: containers, virtualization and abstraction are layers people keep mixing up. - [Choosing a VM CPU Type: Why 'It Depends' Is Not Enough](https://www.mrplanb.com/blog/it-depends-is-not-an-answer-the-quiet-chaos-behind-one-simple-vm-question) - Host or generic CPU type for a VM? Forum answers split on performance, Windows vs Linux behavior, live migration and licensing, and why testing wins. - [Kubernetes User Namespaces Are Here and Might Break Things First](https://www.mrplanb.com/blog/kubernetes-quiet-security-revolution-is-here-and-it-might-break-everything-before-it-fixes-anything) - Kubernetes user namespaces reached general availability after six years. What they do for container security, and the storage and kernel issues users hit. - [Kubernetes Gateway API vs Ingress: Why It Feels Hard](https://www.mrplanb.com/blog/kubernetes-wants-you-to-move-on-from-ingress-yet-gateway-api-feels-like-a-puzzle-nobody-asked-for) - Why Kubernetes Gateway API frustrates operators moving off Ingress: extra controllers and CRDs, version management, and the case for staying outside core. - [Kubernetes User Namespaces Reach GA After Six Years of Work](https://www.mrplanb.com/blog/six-years-of-silence-explodes-into-one-feature-that-could-quietly-rewrite-kubernetes-security-forever) - User namespaces are now GA in Kubernetes after six years. What they change for container security, and the file mapping and storage issues early users hit. - [Your Digital Life Outlives You, and You're Probably Handling It Wrong](https://www.mrplanb.com/blog/your-digital-life-will-outlive-you-and-you-re-probably-handling-it-completely-wrong) - What happens to self-hosted notes and archives after you die: why most people land on encryption, where killswitch scripts fail, and splitting your data. - [Your Homelab Just Became Enterprise Tech, and Not Everyone Is Ready](https://www.mrplanb.com/blog/your-homelab-just-became-enterprise-tech-overnight-and-not-everyone-is-ready-for-it) - A new partnership brings autoscaling browser workspaces and zero-trust access to a homelab virtualization stack, and the community is split on what it means. - [Two VMAX Cabinets: Why Some Enterprise Storage Can't Be Reborn](https://www.mrplanb.com/blog/two-vmax-cabinets-one-painful-truth-some-enterprise-storage-was-never-meant-to-be-reborn) - What to do with two retired EMC Symmetrix VMAX arrays: why repurposing fails, and where resale, trade-in, parts and recycling still make sense. - [MicroVMs Might Kill Your Containers, and That's Why People Care](https://www.mrplanb.com/blog/microvms-might-kill-your-containers-and-that-s-exactly-why-people-are-excited) - MicroVMs inside Proxmox are forcing people to rethink the old container-versus-VM debate by offering a lighter path to isolation with real caveats. - [Breaking Up With VMware: Finally Leaving, at What Cost?](https://www.mrplanb.com/blog/we-re-finally-leaving-but-at-what-cost-the-raw-messy-reality-of-breaking-up-with-vmware) - A grounded look at early VMware exit projects, where networking mistakes, TPM gaps, and encryption tradeoffs turn migration plans into real-world friction. - [It Was Supposed to Be Fine: The Unpredictable VMware Renewal](https://www.mrplanb.com/blog/it-was-supposed-to-be-fine-inside-the-vmware-renewal-rollercoaster-no-one-can-predict) - VMware renewal stories now range from manageable to brutal, exposing how pricing, bundling, and negotiation leverage vary wildly across customers. - [I Replaced My CAD Workstation With a VM: How It Went](https://www.mrplanb.com/blog/i-replaced-my-workstation-with-a-vm-and-somehow-it-didn-t-fall-apart) - Running Siemens NX in a VM with Intel Arc Pro B50 passthrough and Moonlight or Parsec streaming: what broke, what fixed it, and why some keep bare metal. - [MSFT's $7 Billion AI Gamble Feels Like Something You Can't Undo](https://www.mrplanb.com/blog/msft-s-7-billion-ai-gamble-feels-bigger-than-tech-it-feels-like-the-start-of-something-you-can-t) - Microsoft's $7 billion Fairwater AI bet and what people say about its scale, jobs, energy use, and who ends up controlling AI infrastructure. - [DIY SAN Build: How Modern Dual Controller Storage Really Works](https://www.mrplanb.com/blog/the-diy-san-rabbit-hole-one-engineer-asked-how-modern-storage-really-works-and-the-answer-got-complicated-fast) - An engineer tries to build a dual-controller NVMe SAN, and the thread explains fencing, active-active limits, multipath and why arrays cost so much. - [AI's Power Problem: Grid Volatility as Much as Megawatts](https://www.mrplanb.com/blog/here-s-your-full-blog-with-the-cta-integrated-naturally-at-the-end) - AI data centers need more than new gigawatts. Volatile GPU loads strain the grid, so power visibility and software control matter as much as capacity. - [The VMware Exit Trap: A One-Year Escape From Broadcom](https://www.mrplanb.com/blog/the-vmware-exit-trap-why-companies-are-quietly-gambling-on-a-one-year-escape-from-broadcom) - Some companies weigh signing three-year VMware deals just to cancel after one. The contract gamble, the closing window, and the fine print that can bite. - [You Don't Need Proxmox Backup Server Until the Day You Really Do](https://www.mrplanb.com/blog/you-don-t-need-proxmox-backup-server-until-the-day-you-really-really-do) - Proxmox Backup Server looks optional at first, then earns its place once deduplication, backup visibility and worst-case recovery planning come into play. - [80% Install Failures, No Answer From Support: A Major Release Gamble](https://www.mrplanb.com/blog/80-failure-rate-and-support-still-has-no-answer-when-a-major-release-feels-like-a-gamble) - When installs fail 80% of the time and support has no answer, a major release stops feeling like progress and turns into an operational gamble. - [We Blamed Veeam for Everything Until We Looked at Our Own Setup](https://www.mrplanb.com/blog/we-blamed-veeam-for-everything-until-we-realized-the-real-problem-wasn-t-the-software) - Six months of Veeam S3 backup failures spark a debate: is the software broken, is the setup to blame, and are Cohesity, Nakivo, Druva or Rubrik better? - [We Knew This Was Coming: VMware Loyalty Turns Into a Proxmox Exit](https://www.mrplanb.com/blog/we-knew-this-was-coming-the-quiet-collapse-of-vmware-loyalty-turns-into-a-high-stakes-exit) - Why longtime VMware customers are finally planning exits, what makes Proxmox appealing, and why large migrations are as strategic as they are technical. - [We're Done With Veeam: When IT Loyalty Turns Into Burnout](https://www.mrplanb.com/blog/we-re-done-with-veeam-the-breaking-point-that-turns-it-loyalty-into-burnout) - Recurring Veeam S3 backup failures and slow support push some IT teams to burnout. Why opinions split, and how Cohesity, Rubrik, Nakivo and Druva fit in. - [When an Upgrade Warning Says Something Is Broken](https://www.mrplanb.com/blog/it-says-something-is-broken-but-won-t-tell-you-what-the-silent-failure-that-turns-upgrades-into-) - A vague unsupported OS agents warning sent an admin auditing everything, the upgrade then failed, and the warning turned out to be only advisory. - [128GB of RAM and Veeam's Backup Proxy Still Eats Everything](https://www.mrplanb.com/blog/128gb-of-ram-and-it-still-eats-everything-when-backup-software-starts-fighting-your-infrastructu) - Why a Veeam backup proxy on a 128GB server kept eating memory while jobs dragged for days, even after the admin added another proxy server. - [50,000 VMs and a Forced VMware Exit: Inside the Goodbye](https://www.mrplanb.com/blog/50-000-vms-and-one-bitter-goodbye-the-quiet-chaos-behind-a-vmware-exit-no-one-wanted) - Moving 50,000 VMs from VMware to Hyper-V: conversion tools, cleanup scripts, Veeam restores, costs and the tradeoffs that pile up at enterprise scale. - [What to Do With an $800 a Month Vault of Old LTO Backup Tapes](https://www.mrplanb.com/blog/the-800-a-month-tape-vault-nobody-wants-to-explain-anymore) - A company pays $800 a month to vault 400 LTO tapes it may not be able to read. Retention policy, migration sampling, legal risk and who should decide. - [The CRA Panic Is Real: Why Some Teams Are Calm and Others Are Drowning](https://www.mrplanb.com/blog/the-cra-panic-is-real-why-some-teams-are-calm-and-others-feel-like-they-re-drowning) - Why the Cyber Resilience Act feels manageable for some teams and overwhelming for others, and how scope, ownership and evidence discipline shape that. - [If It's Only 10 VMs, Why Are We Paying for Enterprise Backup?](https://www.mrplanb.com/blog/if-it-s-only-10-vms-why-are-we-even-paying-the-quiet-revolt-against-enterprise-backup-thinking) - Small, disposable infrastructure makes teams question paid backup: Community Edition limits, licensing worries, and rebuilding from code instead. - [Zabbix Webhook Media Types: Monitoring Into Automation](https://www.mrplanb.com/blog/this-one-zabbix-feature-is-quietly-turning-monitoring-tools-into-automation-engines) - Zabbix webhook media types push alerts into tickets, workflows and two-way integrations, with JavaScript logic that can speed things up or add chaos. - [ProxMan on Android: Proxmox in Your Pocket and the Trust Question](https://www.mrplanb.com/blog/your-server-in-your-pocket-sounds-amazing-until-you-realize-what-you-re-actually-trusting) - ProxMan brings full Proxmox control to Android, from backups to VNC, and its closed source client splits admins over convenience versus trust. - [AI Just Took Over Zabbix: An MCP Server With 220 API Tools](https://www.mrplanb.com/blog/ai-just-took-over-zabbix-and-not-everyone-is-ready-for-what-comes-next) - How an MCP server exposing 220 Zabbix API tools turns monitoring into conversation, and the trust, safety and staffing worries it raises. - [Clean Install, Still Broken: When Starting Over Fails](https://www.mrplanb.com/blog/fresh-os-clean-install-still-broken-when-even-starting-over-doesn-t-save-you) - A full wipe-and-reinstall should have ended the problem, but a core Veeam service still refuses to stay up, turning a clean slate into another dead end. - [ManageEngine Review: Read This Before You Commit](https://www.mrplanb.com/blog/thinking-about-using-manageengine) - Where ManageEngine works and where it adds friction: patch reliability, uneven support, cloud workflows, hidden time costs, permissions and alternatives. - [It's Just 7 VMs: Do Small Teams Still Need Paid Backup Software?](https://www.mrplanb.com/blog/it-s-just-7-vms-why-are-we-still-paying-for-this-the-uncomfortable-truth-about-backup-in-a-cloud) - As on-prem footprints shrink, teams are questioning whether full enterprise backup stacks still make sense for a handful of rebuildable virtual machines. - [Migrating 1,500 VMs From VMware vSAN to Proxmox: What Goes Wrong](https://www.mrplanb.com/blog/1-500-vms-one-wrong-move-the-brutal-reality-of-escaping-vmware-without-breaking-everything) - Migrating 1,500 VMs off VMware sounds automatable until storage bottlenecks, Windows driver issues, and downtime tradeoffs expose the true blast radius. - [The Backups Are There, So Why Can't I Use Them After a Rebuild?](https://www.mrplanb.com/blog/the-backups-are-there-so-why-can-t-i-use-them-when-recovery-feels-just-out-of-reach) - After a backup server rebuild, VM backups map back to new jobs cleanly while imported agent backups stay visible but cannot be mapped to any job. - [Zabbix Host Overview Widget Update Fixes Old Dashboards](https://www.mrplanb.com/blog/this-zabbix-widget-update-quietly-fixes-what-monitoring-dashboards-have-been-getting-wrong-for-y) - What the Zabbix Host Overview widget update adds: configurable host badges, per-metric thresholds, sparklines and drill-down to Latest data. - [Everything Worked Until It Didn't: The Fragile Backup Upgrade](https://www.mrplanb.com/blog/everything-worked-until-it-didn-t-the-hidden-fragility-of-simple-upgrades-in-backup-infrastructu) - A clean backup upgrade to PostgreSQL left agents unverified and assignments failing while status showed healthy. The culprit turned out to be antivirus. - [This Zabbix Module Shows How Much Money Your Infrastructure Burns](https://www.mrplanb.com/blog/this-zabbix-module-quietly-exposes-how-much-money-your-infrastructure-is-burning) - A Zabbix FinOps module turns 30 days of metrics into waste scores and right-sizing advice, raising the trade-off between cost savings and operational risk. - [We Tried to Replace Veeam: Backup Is Always a Trade-Off](https://www.mrplanb.com/blog/we-tried-to-replace-veeam-and-realized-backup-isn-t-just-a-tool-it-s-a-trade-off-you-can-t-escap) - Replacing a heavyweight backup platform sounds appealing until the trade-offs show up in restore depth, pricing, and the daily realities MSPs live with. - [VMware Photon OS Panic: Did They Kill It Overnight?](https://www.mrplanb.com/blog/did-they-just-kill-it-overnight-the-quiet-panic-around-vmware-photon-s-disappearing-act) - Why broken VMware Photon OS links set off panic, how the move to Broadcom-hosted URLs changed the picture, and why unannounced moves erode trust. - [No Price, Just Silence: How Support Delays Push Customers Away](https://www.mrplanb.com/blog/we-asked-for-a-price-and-got-silence-instead-how-support-delays-quietly-push-customers-away) - A small non-profit waited months for a socket to VUL licensing quote with renewal 30 days away, and the thread shows how that silence erodes trust. - [Datadog Log Cost Panic Is a Warning for the Observability Industry](https://www.mrplanb.com/blog/datadog-log-cost-panic-isnt-just-a-meme-its-a-warning-shot-for-the-whole-industry) - Shock over Datadog log bills shows teams still want rich visibility but have less patience for opaque or runaway pricing, as alternatives gain ground. - [This Simple Zabbix Tool Exposed How Broken Server Tuning Is](https://www.mrplanb.com/blog/this-simple-zabbix-tool-just-exposed-how-broken-server-tuning-really-is) - ZabbixTune generates zabbix_server.conf from your hosts, items and hardware. Where it helps, where it falls short, and the AI debate it started. - [Why Small Customers Are Losing Trust in Enterprise Support](https://www.mrplanb.com/blog/we-re-a-small-customer-why-does-it-feel-like-nobody-cares-the-slow-death-of-trust-in-enterprise-) - A small non-profit waited months for a VUL licensing quote. Why slow answers and opaque pricing hit small customers hardest and erode trust in the vendor. - [The Storage Admin Isn't Dead, but AI Is Changing the Job Fast](https://www.mrplanb.com/blog/the-storage-admin-isn-t-dead-but-the-job-is-losing-its-old-skin-fast) - How AI interfaces, automation and data growth are reshaping the storage admin role, which tasks go first, and which skills keep admins valuable. - [We Stayed Loyal Too Long: Data Centers Shift from Intel to AMD](https://www.mrplanb.com/blog/we-stayed-loyal-too-long-the-quiet-shift-from-intel-to-amd-that-s-rewriting-the-data-center-play) - Why long-loyal Intel shops are reevaluating AMD, where licensing economics complicate the story, and how data center buying habits are shifting. - [Why the Monitoring Tool Market Keeps Breaking Buyers' Hearts](https://www.mrplanb.com/blog/everybody-wants-monitoring-without-the-pain-and-thats-why-this-market-keeps-breaking-hearts) - Why monitoring buyers keep bouncing between costly managed tools like Datadog, cheaper DIY stacks with more toil, and hoping to get both. - [VMware's Vanishing Lower Tiers Have IT Managers Looking Elsewhere](https://www.mrplanb.com/blog/vmwares-lower-tiers-keep-disappearing-and-thats-making-every-it-manager-look-over-the-fence) - A late-March VMware renewal discussion showed how smaller and midsize buyers increasingly feel like Broadcom is telling them to pay much more or get out. - [If New Relic Is Fading, Datadog Isn't Automatically the Happy Ending](https://www.mrplanb.com/blog/if-new-relic-is-fading-datadog-isnt-automatically-the-happy-ending) - As teams rethink older observability vendors like New Relic, buyers are questioning Datadog and the premium platform model on cost, trust and fatigue. - [Waiting for Proxmox 9.2: Chasing Newer Kernels for ROCm](https://www.mrplanb.com/blog/stuck-waiting-for-proxmox-9-2-the-frustration-of-chasing-kernels-in-a-moving-target-world) - Why users chasing newer kernels for ROCm, drivers, or bug fixes keep colliding with Proxmox's slower upstream release cadence. - [VMUG Was a Gateway Drug for VMware and Now Feels Like an Obituary](https://www.mrplanb.com/blog/vmug-used-to-feel-like-a-gateway-drug-for-vmware-now-it-feels-like-an-obituary) - A March thread on cheap VMware licenses for personal use shows how badly Broadcom has damaged an old on-ramp for future practitioners. - [Why a New SSD Still Needs Firmware Updates in Your Homelab](https://www.mrplanb.com/blog/your-ssd-isn-t-safe-just-because-it-s-new-the-firmware-gamble-most-homelab-users-ignore) - Why SSD firmware gets ignored until it causes real pain, and how homelab users balance risk, complacency, and low-level storage maintenance. - [Why a Two-Node Proxmox Cluster Needs a Third Vote for Quorum](https://www.mrplanb.com/blog/your-two-node-cluster-is-a-trap-the-brutal-truth-about-proxmox-quorum-no-one-explains) - Why two-node Proxmox clusters create false confidence, how quorum really behaves, and what admins miss when they expect HA without a third vote. - [The Datadog Line Item Eating Modern Infrastructure Budgets](https://www.mrplanb.com/blog/the-datadog-line-item-thats-quietly-eating-modern-infrastructure-budgets) - Why Datadog observability spend is easy to underestimate and hard to unwind, and how engineering, finance and cheaper alternatives shape the debate. - [Why a 60GB ZFS Snapshot Used 5TB: The Thin Provisioning Trap](https://www.mrplanb.com/blog/your-snapshots-aren-t-broken-your-assumptions-are-the-5tb-shock-that-exposes-a-hidden-zfs-trap) - Why a 60GB ZFS snapshot in Proxmox can eat 5TB when thin provisioning is off, and why enabling it later won't fix existing disks. - [The VMware Exit Is Crowded, and Renewals Look Uglier](https://www.mrplanb.com/blog/the-vmware-exit-door-is-crowded-and-thats-making-every-renewal-look-even-uglier) - A March discussion on VMware customers cutting usage by 2028: many want out, but migration pain keeps them paying and sharpens every renewal. - [VAST Buying Red Stapler Feels Like a Cloud Pivot With Questions](https://www.mrplanb.com/blog/vast-buying-red-stapler-feels-like-a-cloud-pivot-with-a-giant-question-mark-attached) - Why VAST Data's Red Stapler acquisition split the storage crowd: control plane value for hyperscalers versus fears of yet another AI and cloud pivot. - [You're Mounting It Wrong: The NFS Mistake That Breaks Homelabs](https://www.mrplanb.com/blog/you-re-mounting-it-wrong-the-nfs-mistake-that-keeps-breaking-homelabs) - A practical breakdown of the NFS mistakes that confuse homelab users, especially when they expect shared storage to behave like a local VM disk. - [Stop Overengineering Your Homelab: The Debate Over SSH Keys](https://www.mrplanb.com/blog/stop-overengineering-your-homelab-the-quiet-war-over-ssh-keys-no-one-talks-about) - Why a simple question about SSH keys in homelabs turns into a debate over control, convenience, automation, and how much engineering is too much. - [Someone Built an Open Source Datadog Rival and Users Said Finally](https://www.mrplanb.com/blog/somebody-built-an-open-source-datadog-rival-and-the-loudest-reaction-was-finally) - Why a self-hosted Datadog and Sentry alternative drew relief from buyers tired of observability pricing, and the operational tradeoffs skeptics raised. - [VMware's End of Support Clock Is Starting to Read Like a Ransom Note](https://www.mrplanb.com/blog/vmwares-end-of-support-clock-is-quietly-becoming-its-own-kind-of-ransom-note) - March arguments over vSphere 8 support timelines show VMware customers being forced into long-term bets on a vendor they no longer fully trust. - [That One Curl Command Could Own Your Server: Proxmox Setup Scripts](https://www.mrplanb.com/blog/that-one-curl-command-could-own-your-server-the-quiet-fear-behind-proxmox-setup-scripts) - Why convenience scripts feel irresistible in Proxmox homelabs, and why experienced admins stay wary of blindly running curl-piped setup commands as root. - [Am I Screwed? A Homelab Data Loss Horror Story](https://www.mrplanb.com/blog/am-i-screwed-the-moment-a-homelab-turns-into-a-data-loss-horror-story) - A power outage, failing NVMe reads, and unsupported repair tooling turned one homelab recovery attempt into a blunt lesson about backups and storage risk. - [We Finally Shut Down VMware: A Messy Enterprise Breakup](https://www.mrplanb.com/blog/we-finally-shut-it-down-the-quiet-messy-and-emotional-breakup-between-enterprises-and-vmware) - Why enterprises are planning a VMware exit: a 50% price increase, contract fatigue, messy weekend migrations, Proxmox tests and security trade-offs. - [Broadcom's Core Count Rules Turn VMware Renewals Into Absurd Theater](https://www.mrplanb.com/blog/broadcoms-core-count-rules-are-turning-vmware-renewals-into-absurd-theater) - A March thread about reducing VMware core counts exposed a maddening new reality: using less infrastructure does not always mean paying less. - [The Day a Three-Node Cluster Refused to Trust Itself](https://www.mrplanb.com/blog/the-day-a-three-node-cluster-refused-to-trust-itself) - A plain-English breakdown of why a three-node cluster shuts down or panics after losing quorum, even when one host can still run every VM. - [Why a Three-Node HA Cluster Panics When Two Nodes Go Down](https://www.mrplanb.com/blog/when-a-cluster-loses-its-mind-the-harsh-reality-behind-three-node-high-availability) - Why a three-node HA cluster can panic when two nodes disappear, and how quorum and split-brain protection shape that behavior. - [Why Self-Hosted Datadog Alternatives Feel Like an Exit Plan](https://www.mrplanb.com/blog/why-self-hosted-datadog-alternatives-suddenly-feel-less-like-a-hobby-and-more-like-an-exit-plan) - Self-hosted Datadog alternatives are drawing teams tired of billing anxiety. What they gain in control, and the operational load they take on. - [Is Unraid Enterprise Storage? A 30-Person Company's NAS Debate](https://www.mrplanb.com/blog/the-moment-someone-called-unraid-enterprise-storage-and-the-room-got-very-quiet) - A 30-person company debates Unraid vs TrueNAS for business storage, and root login, audit logs, support and scaling decide what counts as enterprise. - [Datadog Still Shines in an Outage, So Why Are Buyers Torn?](https://www.mrplanb.com/blog/datadog-in-an-outage-still-feels-powerful-so-why-do-buyers-sound-so-torn) - Recent debate around Datadog shows a familiar split: teams trust it in incidents, but many no longer trust how much pain comes with keeping that trust. - [When VMware Costs Go Full Horror Movie, Alternatives Look Better](https://www.mrplanb.com/blog/when-vmware-costs-go-full-horror-movie-even-the-alternatives-start-looking-beautiful) - A March VMware pricing thread shows admins weighing Broadcom-era costs against migration pain, as Proxmox, Hyper-V and KVM stop sounding like downgrades. - [Kyverno CVE-2026-22039 Exposes Data Across Kubernetes Namespaces](https://www.mrplanb.com/blog/cve-2026-22039-how-an-admission-controller-vulnerability-turned-kubernetes-namespaces-into-a-security-illusion) - A Kyverno flaw let namespaced policy users read any namespace through the cluster-admin service account. Fixed in 1.16.3 and 1.15.3; r/kubernetes reacts. - [A Tiny macOS Menu Bar App for Proxmox Admins](https://www.mrplanb.com/blog/i-built-this-because-i-was-tired-of-opening-the-web-ui-the-tiny-macos-app-that-made-proxmox-admi) - ProxmoxBar, a macOS menu bar app for monitoring and controlling Proxmox VMs, and how home lab admins reacted with praise, bug reports and feature requests. - [I Upgraded My Servers From a Bus Ride: Proxmox 7 to 9 Went Smoothly](https://www.mrplanb.com/blog/i-upgraded-my-servers-from-a-bus-ride-the-surprisingly-smooth-reality-of-a-proxmox-7-9-upgrade) - A long-delayed Proxmox 7 to 9 upgrade, started from a bus, went far smoother than expected. Why Debian-based upgrades work and where they still break. - [Proxmox 9 Upgrade: Worth It If Proxmox 8 Still Works?](https://www.mrplanb.com/blog/if-it-ain-t-broke-don-t-fix-it-or-should-you) - Should a working Proxmox 8 homelab upgrade to Proxmox 9? Four community views: security support, easy upgrade tools, new features, or waiting for 9.1. - [My Homelab Network Diagram, Then and Now](https://www.mrplanb.com/blog/my-network-used-to-look-like-this-the-nostalgia-and-reality-behind-a-homelab-diagram) - An old ExcaliDraw homelab diagram shows a bigger setup of DL380 servers and 10-gig gear, and how real life reshaped it into a Portainer cluster. - [The Small Proxmox 9 Feature That Fixed a Classic Homelab Headache](https://www.mrplanb.com/blog/the-small-proxmox-feature-that-quietly-fixed-one-of-homelab-s-most-annoying-problems) - Proxmox 9's NIC name override feature solves a deeply familiar homelab headache by making interface naming less fragile after harmless hardware changes. - [Wait, You Shouldn't Disable Root? Hardening a Proxmox Server](https://www.mrplanb.com/blog/wait-you-shouldn-t-disable-root-the-surprisingly-confusing-reality-of-hardening-a-proxmox-server) - Why standard Linux hardening advice clashes with Proxmox: SSH keys, root login in clusters, disk encryption tradeoffs and three camps of Proxmox security. - [Datadog Fatigue: Why Teams Sound One Renewal Away From Snapping](https://www.mrplanb.com/blog/datadog-fatigue-why-so-many-teams-sound-one-renewal-away-from-snapping) - Datadog users sound worn out by pricing, packaging and renewal fights, even when they like the product. Why that fatigue matters for the vendor. - [O’Reilly’s Cilium: Up and Running Out Now](https://www.mrplanb.com/blog/oreillys-cilium-up-and-running-out-now) - Nicolas Vibert, Filip Nikolic, and James Laverack spent the last year pouring over Cilium's kernel magic to it accessible to everyone. - [VMware's Cheapest Path Keeps Vanishing for Small Teams](https://www.mrplanb.com/blog/vmwares-cheapest-path-keeps-vanishing-and-small-teams-are-running-out-of-road) - vSphere Standard subscriptions and the vSphere 8 end of support leave small VMware shops unsure the lower tier will last, and some are planning an exit. - [Datadog Jobs Look Amazing Until You See the Salary](https://www.mrplanb.com/blog/datadog-jobs-look-amazing-until-you-see-the-salary) - A 115K OTE Datadog solutions engineer offer in Europe started a debate about pay, the interview process, culture, office days and turnover. - [Why Engineers Are Leaving ELK for Their Own Observability Stacks](https://www.mrplanb.com/blog/engineers-are-quietly-abandoning-elk-and-building-their-own-observability-stacks) - Why teams are moving off ELK toward modular stacks built on OpenTelemetry, OpenSearch, Jaeger and Vector, and what the cost and benchmark debates say. - [Everyone Wants Observability But Nobody Knows Where to Start](https://www.mrplanb.com/blog/everyone-wants-observability-but-nobody-knows-where-to-start) - Teams buy observability tools before learning the concept. The theory, a hands-on learning path with OpenTelemetry, and how it differs from monitoring. - [Inside Vertiv: Working at the Data Center Giant](https://www.mrplanb.com/blog/inside-vertiv-the-quiet-reality-of-working-in-the-data-center-infrastructure-giant) - What working at Vertiv is like, from people in the field: heavy travel and workload for UPS technicians, decent culture in some offices, and fast learning. - [The 300K Observability Question: Is AI Actually Fixing Incidents?](https://www.mrplanb.com/blog/the-300k-observability-question-is-ai-actually-fixing-incidents-or-just-selling-better-dashboard) - Engineers weigh Dynatrace, Datadog and the Grafana LGTM stack on AI root-cause analysis, pricing and MTTR, and ask if premium AI observability pays off. - [Why Engineers Still Don't Know What Metrics Their Systems Emit](https://www.mrplanb.com/blog/the-observability-treasure-hunt-why-engineers-still-don-t-know-what-metrics-their-systems-actual) - Modern stacks emit thousands of metrics, yet engineers struggle to find which ones exist and where they come from. A public metric registry tries to help. - [There Is No Best Observability Platform, and Engineers Know](https://www.mrplanb.com/blog/there-is-no-best-observability-platform-and-engineers-know-it) - Why engineers won't name one best observability platform: Datadog, AWS and Azure tooling, the Grafana open stack, OpenTelemetry and their tradeoffs. - [Two Days Left on VMware, and Suddenly Every Bad Option Looks Real](https://www.mrplanb.com/blog/two-days-left-on-vmware-and-suddenly-every-bad-option-looks-real) - A March panic thread about expiring vSphere licenses shows how VMware's new economics turn routine planning at small teams into last-minute survival math. - [YAML Is Breaking Observability in OpenTelemetry Pipelines](https://www.mrplanb.com/blog/yaml-is-breaking-observability-the-quiet-crisis-inside-opentelemetry-pipelines) - As OpenTelemetry pipelines grow more complex, YAML is turning from simple configuration into a source of fragility, ambiguity, and operational drag. - [Datadog Bill Shock: When Observability Costs Explode](https://www.mrplanb.com/blog/datadog-bill-shock-is-turning-observability-into-a-budget-horror-show) - Why Datadog bills feel unpredictable: usage drift, finance vs engineering fights, customer discipline, and what buyers now want from observability pricing. - [What Happens When Your VMware vSphere License Expires](https://www.mrplanb.com/blog/once-your-vmware-license-expires-the-door-doesnt-just-close-it-slams) - A March thread on expired vSphere 7 Essentials Plus support: frozen builds, patch access worries, costly extended support and why admins plan exits. - [YubiHSM 2 and cert-manager for Hardware-Signed TLS on Kubernetes](https://www.mrplanb.com/blog/yubihsm-2-cert-manager-hardware-signed-tls-certificates-on-kubernetes) - I built a cert-manager external issuer that signs TLS certificates using a private key inside a YubiHSM 2. - [Datadog Sales Pressure: When Monitoring Gets Pushy](https://www.mrplanb.com/blog/datadog-sales-pressure-turns-monitoring-into-a-door-to-door-nightmare) - Online complaints about relentless Datadog outreach show how a monitoring tool can lose goodwill long before the product itself loses relevance. - [The NetApp and VAST Data Lawsuit Could Make Storage Buyers Freeze](https://www.mrplanb.com/blog/the-netapp-vast-lawsuit-is-the-kind-of-storage-drama-that-makes-buyers-freeze) - NetApp claims an ex-CTO built a secret cloud platform later sold to VAST Data. Why that legal risk slows storage deals, especially with cloud providers. - [Broadcom's Record Quarter, $100 Billion AI Chip Bet and VMware Fallout](https://www.mrplanb.com/blog/broadcom-s-ruthless-ai-power-play-record-profits-a-100-billion-chip-bet-and-the-vmware-shockwave) - Broadcom's latest quarter signals an aggressive AI-era strategy built on custom silicon, networking dominance, and a high-impact VMware licensing reset. - [VMware Renewal Sticker Shock Is Pushing Loyal Customers to the Edge](https://www.mrplanb.com/blog/vmware-renewal-sticker-shock-is-pushing-loyal-customers-to-the-edge) - A fresh wave of VMware renewal complaints shows how pricing shock has turned routine infrastructure budgeting into a yearly panic attack. - [Flux CD Deep Dive: Architecture, CRDs and Mental Models](https://www.mrplanb.com/blog/flux-cd-deep-dive-architecture-crds-and-mental-models) - An r/kubernetes thread on how Flux CD controllers and CRDs map to manual commands, Flux Operator bootstrap, and how commenters compare Flux with ArgoCD. - [Proxmox Host CPU Mode Slowed a Windows RDS Server](https://www.mrplanb.com/blog/the-hidden-performance-trap-in-proxmox-how-a-recommended-cpu-setting-quietly-slowed-an-entire-wi) - A Proxmox Windows RDS server felt slow while metrics looked fine. Host CPU mode triggered speculation mitigations; x86-64-v3 fixed memory latency. - [The Automation Gap When Replacing VMware With Proxmox](https://www.mrplanb.com/blog/the-hidden-problem-waiting-for-teams-that-replace-vmware-automation) - Moving from VMware to Proxmox leaves no Aria Automation portal. How teams replace self-service VM provisioning with Ansible, AWX, CloudBolt or scripts. - [The VMware Exit Is Crowded as Companies Eye Proxmox](https://www.mrplanb.com/blog/the-vmware-exit-door-is-getting-crowded-why-so-many-companies-are-suddenly-looking-at-proxmox) - A VMware on SAN to Proxmox and Ceph migration talk in Belgium, and why Broadcom's licensing changes have so many companies weighing VMware alternatives. - [Where's vMotion? The VMware to Proxmox Learning Curve](https://www.mrplanb.com/blog/where-s-vmotion-the-question-that-reveals-the-real-learning-curve-when-moving-from-vmware-to-pro) - What VMware admins find when moving to Proxmox: live migration without DRS, SDN VNets vs Open vSwitch, Linux bridges, PCIe passthrough and Ceph. - [New r/kubernetes Policy: Share New Tools in the Weekly Thread](https://www.mrplanb.com/blog/new-policy-sharing-new-kubernetes-tools-must-be-in-the-weekly-thread) - The r/kubernetes moderators now require new tool announcements to go in a weekly thread. Members debate spam, AI slop and how new projects get seen. - [The Day Objects Took Down the AWS UAE Region and Shook DevOps Faith](https://www.mrplanb.com/blog/when-the-cloud-caught-fire-the-day-objects-took-down-amazon-s-uae-region-and-shook-devops-faith) - A fire caused by objects striking an AWS data center in the UAE disrupted ME-CENTRAL-1 services and reopened the multi-AZ vs multi-region debate. - [Windows Server 2025 NVMe Gains Meet Storage Admin Skepticism](https://www.mrplanb.com/blog/windows-server-finally-got-serious-about-nvme-and-storage-people-still-don-t-trust-it-yet) - Windows Server 2025 native NVMe benchmarks impressed storage admins, but NVMe-oF gaps, QA worries and Microsoft's focus keep them wary of production. - [From Kopia Error to BlinkDisk: Simpler Backups for a Home Lab](https://www.mrplanb.com/blog/i-just-wanted-a-simple-backup-how-a-kopia-error-turned-into-a-blinkdisk-love-story-and-a-lesson-) - A Kopia repository server path error on a two-device home lab led to a switch to BlinkDisk. What went wrong, and why the simpler tool fit better. - [Is VMware Dying? The Future for VMware Administrators](https://www.mrplanb.com/blog/is-vmware-dying) - VMware admins fear for their careers as prices rise and companies migrate. What the numbers say, and why virtualization and automation skills carry over. - [Uninstall It Now: Huntarr, TrueNAS and a Supply Chain Scare](https://www.mrplanb.com/blog/uninstall-it-now-the-huntarr-panic-that-shook-truenas-and-sparked-a-supply-chain-wake-up-call) - How the Huntarr app was pulled from the TrueNAS catalog within minutes, and what the scare says about trusting FOSS, Docker images and curated catalogs. - [Sharing One GPU Between VMs and LXC Containers in Proxmox](https://www.mrplanb.com/blog/you-can-t-have-it-both-ways-the-hard-truth-about-sharing-a-single-gpu-between-vms-and-lxc-in-pro) - Why a GPU passed through to a Proxmox VM cannot also serve LXC containers, and the setups that do work: VM passthrough, host-shared LXC, or vGPU. - [DNS Filter Bypass: How Devices Dodge AdGuard Home](https://www.mrplanb.com/blog/your-local-dns-filter-is-probably-being-bypassed-right-now-and-you-don-t-even-know-it) - Why your local DNS filter gets bypassed by DoH, DoT, hardcoded resolvers and apps, and how NAT redirects, port blocks and a local 8.8.8.8 win back control. - [Updating ESXi 8.0U3e to 8.0U3h Without Paying: Is It Allowed?](https://www.mrplanb.com/blog/free-isn-t-free-anymore-the-brutal-reality-of-updating-esxi-8-0u3e-to-8-0u3h-without-paying-a-ce) - Why free ESXi users may not be entitled to patch 8.0U3e to 8.0U3h, and how Broadcom portal access now decides which updates you can legally apply. - [IBM's $31 Billion Gut Punch: Is AI Cracking Big Blue's Moat?](https://www.mrplanb.com/blog/ibm-s-31-billion-gut-punch-is-ai-finally-cracking-big-blue-s-unbreakable-moat) - IBM lost $31B in a day; here is what that move may signal about AI disruption, legacy moat durability, and market overreaction risk. - [The Anatomy of Modern Kubernetes Data Protection: Securing KubeVirt Workloads at Enterprise Scale in 2026](https://www.mrplanb.com/blog/the-anatomy-of-modern-kubernetes-data-protection-securing-kubevirt-workloads-at-enterprise-scale-in-2026) - Enterprise-grade KubeVirt backup in 2026 depends on Kubernetes-native APIs, CSI snapshots, dependency graph awareness, and zero-trust architecture. - [Can Three Developers and AI Build a Real VMware Alternative?](https://www.mrplanb.com/blog/you-think-three-developers-and-ai-can-replace-vmware-the-brutal-reality-facing-every-next-big-vi) - A hard look at what it takes to build a credible VMware alternative beyond licensing frustration and early prototypes. - [TrueNAS 25.10.2: The Stability Update Worth Installing](https://www.mrplanb.com/blog/truenas-25-10-2-is-here-and-it-s-the-kind-of-update-that-quietly-saves-you-from-disaster) - A practical breakdown of TrueNAS 25.10.2 fixes that prevent upgrade failures, SMB migration issues, and NFS edge-case instability. - [TrueNAS v26.04 Paywall Debate: Staff Say Nothing Is Removed](https://www.mrplanb.com/blog/truenas-isn-t-paywalling-your-nas-but-the-trust-crack-is-already-there) - An analysis of the v26.04 paywall debate, what TrueNAS staff actually clarified, and why trust perception still matters. - [Why etcd Breaks at Scale in Kubernetes Clusters](https://www.mrplanb.com/blog/why-etcd-breaks-at-scale-in-kubernetes) - An r/kubernetes thread on etcd scaling limits: etcd sharding flags, a GKE engineer on 30k node clusters, and whether etcd is really the bottleneck. - [Can We Get an AI Megathread for Vibecoded Kubernetes Projects?](https://www.mrplanb.com/blog/can-we-get-an-ai-megathread) - An r/kubernetes user asks for a megathread for vibecoded AI projects, and commenters weigh an outright ban, flagging and the weekly new tool thread. - [BTRFS Inside Proxmox VMs: Smart Flexibility or CoW-on-CoW Trap?](https://www.mrplanb.com/blog/btrfs-inside-proxmox-vms-smart-flexibility-or-a-cow-on-cow-trap-waiting-to-happen) - BTRFS inside Proxmox VMs can be great for snapshots and subvolumes, but CoW on CoW, especially on a ZFS host, can add IO overhead and fragmentation risk. - [A Machinist Wires CNC Mills Into a Proxmox Server](https://www.mrplanb.com/blog/i-m-a-machinist-not-it-the-raw-frustrated-brilliant-reality-of-wiring-cncs-into-a-proxmox-server) - A machinist moves CNC file transfers off one fragile shop PC with Proxmox, a private LAN and a central FTP server that every mill and PC can reach. - [Why My 3-Node Ceph Cluster Is Hitting a Wall at 25GbE](https://www.mrplanb.com/blog/your-25gbe-dream-is-slamming-into-a-wall-the-brutal-truth-about-my-3-node-ceph-cluster) - A 3-node Proxmox and Ceph lab with enterprise NVMe and 25GbE hit a ceiling in benchmarks. Why network saturation and cluster size set the limit. - [SSD or Hard Drive for 24/7 Data? Why One Disk Isn't Enough](https://www.mrplanb.com/blog/the-most-dangerous-storage-question-isn-t-ssd-vs-hard-drive-it-s-why-you-trust-one-disk-at-all) - SSD vs hard drive for important 24/7 data: flash wear, unpowered HDDs, why replication is not backup, and why no single disk deserves your trust. - [Let VMware Support Lapse, Then Buy VVF Later?](https://www.mrplanb.com/blog/can-we-let-it-lapse-the-risky-vmware-renewal-question-no-one-wants-to-answer-too-late) - A practical view of VMware support lapse risk, perpetual rights, and timing decisions around VVF subscription moves. - [From PVE 5 to 9: Migrating Legacy Proxmox Workloads Safely](https://www.mrplanb.com/blog/from-pve-5-to-9-what-happens-when-legacy-infrastructure-refuses-to-let-go) - Moving fragile, business-critical workloads from Proxmox VE 5 to 9, covering NAS backup bottlenecks, i440FX to Q35 risk and safe migration tactics. - [HPE Morpheus as a VMware Alternative: Production Ready?](https://www.mrplanb.com/blog/hpe-s-morpheus-gamble-why-it-teams-are-torn-between-escaping-vmware-and-walking-into-another-tra) - HPE Morpheus as a VMware alternative: what lab tests show, why production trust lags, and the checklist to build before you move critical workloads. - [It Shows Up But Won't Pass Through: The ESXi USB WiFi Trap](https://www.mrplanb.com/blog/it-shows-up-but-won-t-pass-through-the-esxi-usb-wifi-trap-that-catches-everyone) - Why USB WiFi passthrough on ESXi often fails even when devices appear in lsusb and quirks are configured. - [How to Run a Java Monolith on Kubernetes Without NodePort Hacks](https://www.mrplanb.com/blog/it-works-but-it-feels-wrong-the-real-way-to-run-a-java-monolith-on-kubernetes-without-breaking-y) - A practical production guide to running a Java monolith on Kubernetes without fragile NodePort duct tape. - [What Actually Load Balances Production Traffic in Kubernetes](https://www.mrplanb.com/blog/kubernetes-isn-t-your-load-balancer-it-s-the-puppet-master-pulling-the-strings) - How Kubernetes Services, Ingress controllers, MetalLB and service meshes split the work of load balancing, and where TLS terminates in production. - [MinIO Repo Archived: 2 Days Testing K8s S3 Alternatives](https://www.mrplanb.com/blog/minio-repo-archived-spent-2-days-testing-k8s-s3-compatible-alternatives-helm-docker) - After the MinIO repo was archived, an r/kubernetes user compared Garage, SeaweedFS, RustFS, Ceph and Minimus, and commenters challenged the Ceph claims. - [vCenter Expired Certificate Not Shown in Certificate Management](https://www.mrplanb.com/blog/the-invisible-expired-certificate-in-vcenter-and-why-you-can-t-see-it-in-certificate-management) - Why the data-encipherment cert alert appears in vCenter even when Certificate Management looks healthy. - [Should You Use CPU Limits in Kubernetes Production?](https://www.mrplanb.com/blog/the-post-is-basically-asking) - A grounded take on when CPU limits help, when they hurt, and how to choose based on workload behavior. - [Fix VMware Fullscreen Corner Gaps Caused by Resolution Scaling](https://www.mrplanb.com/blog/this-one-s-almost-always-a-resolution-scaling-mismatch-issue-not-an-actual-fullscreen-bug) - A quick troubleshooting sequence for VMware fullscreen corner gaps caused by display scaling mismatch. - [2,000+ Service Accounts, No Owners: The Multi-Cloud IAM Problem](https://www.mrplanb.com/blog/we-have-2-000-service-accounts-and-no-one-knows-who-owns-them-the-multi-cloud-iam-crisis-nobody-) - Why unmanaged machine identities across AWS, Azure, and GCP become a security and governance crisis at scale. - [Real Kubernetes Production Failures From Control Plane to IPs](https://www.mrplanb.com/blog/we-thought-kubernetes-would-save-us-the-production-failures-no-one-puts-on-the-conference-slides) - A field report on real Kubernetes production failures and the human factors that trigger them. - [Gallium and XCP-ng Gain Ground as Edge VMware Alternatives](https://www.mrplanb.com/blog/gallium-xcpng-edge-shift-vmware-alternatives) - Why XCP-ng and KVM-based Gallium are gaining ground as VMware alternatives for edge sites and mid-sized teams, and the migration trade-offs involved. - [What Kubernetes feature looked great on paper but hurt you in prod?](https://www.mrplanb.com/blog/what-kubernetes-feature-looked-great-on-paper-but-hurt-you-in-prod) - there are features in Kubernetes that look amazing on paper. - [This Valentine with Kubernetes!](https://www.mrplanb.com/blog/this-valentine-with-kubernetes) - This r/kubernetes discussion unpacked this valentine with kubernetes! and the practical tradeoffs engineers surfaced around it, with the original post linking out to i.redd.it. - [Kubernetes The (Very) Hard Way](https://www.mrplanb.com/blog/kubernetes-the-very-hard-way) - This r/kubernetes discussion unpacked kubernetes the (very) hard way and the practical tradeoffs engineers surfaced around it, with the original post linking out to labs.iximiuz... - [VMware to Proxmox: Two-Node Clusters and Fibre Channel](https://www.mrplanb.com/blog/two-node-clusters-fibre-channel-vmware-proxmox-migration) - A team moving 10 VMware clusters and 21 hosts to Proxmox works through quorum, Fibre Channel LVM, MPIO, thin provisioning and VM conversion steps. - [Running postgresql in Kubernetes](https://www.mrplanb.com/blog/running-postgresql-in-kubernetes) - Is it true that stateful programs are better run on a separate machine than in Kubernetes? - [S3 vs B2 vs Wasabi: The Real Cost Is Getting Your Files Back](https://www.mrplanb.com/blog/s3-b2-wasabi-real-cost-cheap-cloud-storage) - S3, B2 and Wasabi compared for media teams moving 15TB+ a month, where egress fees, archive tiers and restore frequency outweigh price per terabyte. - [NetApp vs Pure vs Dell for a Small VMware Shop's Storage Refresh](https://www.mrplanb.com/blog/the-storage-refresh-that-starts-as-netapp-vs-pure-vs-dell-and-ends-as-a-fight-over-your-future-self) - A small VMware shop on HPE Nimble weighs Pure, NetApp, Dell and Hitachi for 80TiB, and the thread turns into a debate on support, Evergreen and lock-in. - [Zabbix vs LibreNMS in 2026: Which Monitoring Tool Wins? [Tested]](https://www.mrplanb.com/blog/zabbix-vs-librenms-k12-network-monitoring) - Zabbix vs LibreNMS for K-12 networks: setup time, auto-discovery, alert noise at 3,500 devices, and which one fits a small IT team's staffing. - [Microsoft Is Forcing MFA on 365 Admins and Breaking Old Workflows](https://www.mrplanb.com/blog/microsoft-365-mfa-forcing-admins-breaking-workflows) - Microsoft's mandatory MFA for 365 admin accounts is breaking legacy scripts, service accounts and break-glass access, and forcing overdue cleanups. - [Broadcom's No Partial VMware Renewals Policy Is a Trap](https://www.mrplanb.com/blog/broadcom-vmware-partial-renewals-trap) - Broadcom's refusal to allow partial VMware renewals forces all-or-nothing choices: renew everything upfront for years, or rush a risky migration. - [Replacing MinIO With Garage: Self-Hosted S3 on Kubernetes](https://www.mrplanb.com/blog/looking-for-a-replacement-for-minio-s3-made-easy-with-garage) - Replacing MinIO with Garage on Kubernetes: what garage-operator v0.1.x automates, from bootstrap, buckets and S3 keys to COSI support and GitOps CRDs. - [AWS Load Balancer Controller adds general availability support for Kubernetes Gateway API](https://www.mrplanb.com/blog/aws-load-balancer-controller-adds-general-availability-support-for-kubernetes-gateway-api) - This r/kubernetes discussion unpacked aws load balancer controller adds general availability support for kubernetes gateway api and the practical tradeoffs engineers surfaced ar... - [Traefik Proxmox Provider: Label-Based Routing for Homelabs](https://www.mrplanb.com/blog/traefik-proxmox-provider-homelab) - The Traefik Proxmox Provider reads labels from Proxmox VM and container notes, so Traefik routes homelab services without hand-edited routing files. - [From ESXi to AHV: What It's Like to Rebuild a Homelab on Nutanix CE](https://www.mrplanb.com/blog/esxi-to-ahv-nutanix-ce-homelab-rebuild) - A homelab move from aging VMware 6.7 to Nutanix Community Edition: the smooth install, AHV's different feel, and a painless Nutanix Move migration. - [What People Actually Use Tailscale For, From NAS to Hockey Abroad](https://www.mrplanb.com/blog/tailscale-real-world-uses-nas-streaming) - Real Tailscale uses: NAS access from anywhere, exit nodes for sports blackouts, private media streaming, homelabs and remote sites without port forwarding. - [kubernetes/ingress-nginx Ends March 2026: Your Migration Playbook](https://www.mrplanb.com/blog/the-end-of-kubernetes-ingress-nginx-your-march-2026-migration-playbook) - kubernetes/ingress-nginx reaches end of life in March 2026. How to audit your clusters and weigh migration options such as Traefik or Gateway API. - [Helm in production: hard-won lessons and gotchas](https://www.mrplanb.com/blog/helm-in-production-hard-won-lessons-and-gotchas) - This r/kubernetes discussion unpacked helm in production: hard-won lessons and gotchas and the practical tradeoffs engineers surfaced around it, with the original post linking o... - [Immich in Proxmox LXC: A Stability Gamble Worth Taking?](https://www.mrplanb.com/blog/immich-proxmox-lxc-stability-gamble) - One homelabber's Immich install in a Proxmox LXC broke after host reboots. What the community found about LXC, Docker in LXC, and a full VM running Docker. - [5 Best Zabbix Alternatives in 2026 (Compared)](https://www.mrplanb.com/blog/top-5-zabbix-alternatives-enterprise-management) - Zabbix alternatives compared for 2026: CloudSino for hardware control, Prometheus for Kubernetes, Datadog for SaaS observability, PRTG for SMBs and more. - [KubeDiagrams 0.7.0: Kubernetes Architecture Diagrams](https://www.mrplanb.com/blog/kubediagrams-0-7-0-is-out) - KubeDiagrams 0.7.0 generates Kubernetes architecture diagrams from manifests, Helm charts, helmfiles and live clusters, with CRD support and a web app. - [Lost ESXi Root Password: Reinstall and Keep Your VMs](https://www.mrplanb.com/blog/lose-root-password-vmware-esxi-one-way-door) - Lost the root password on VMware ESXi 7 or 8? Why there is no supported reset, and how to reinstall while keeping your VMFS datastores and VMs. - [Why Windows VMs Won't Boot After Moving From VMware to Proxmox VE](https://www.mrplanb.com/blog/escaping-vmware-windows-boot-proxmox) - Windows VMs moved from VMware to Proxmox VE often hit INACCESSIBLE_BOOT_DEVICE. How a VirtIO dummy disk fixes it, plus Corosync and big disk traps. - [Deduplication Nightmares: What to Use When TAR Slows You Down](https://www.mrplanb.com/blog/deduplication-nightmares-tar-slows-down) - Why TAR archives and deduplication on appliances like Cohesity clash, and which options help: DAR, Bacula, split archives and no pre-compression. - [Rancher Was the Best Kubernetes Dashboard Until Pricing](https://www.mrplanb.com/blog/rancher-price-kubernetes-dashboard) - Rancher gave platform teams one calm login for twenty clusters. Then the Rancher price jumped after SUSE, and there's still no obvious replacement. - [What Actually Goes Wrong in Kubernetes Production?](https://www.mrplanb.com/blog/what-actually-goes-wrong-in-kubernetes-production) - Kubernetes admins share real production failures: undersized subnets, an etcd collapse from a misassigned apiserver pool, DockerHub limits and Windows. - [VMware to Nutanix Migration: Lessons From Real Moves](https://www.mrplanb.com/blog/vmware-to-nutanix-migration-lessons) - Lessons from real VMware to Nutanix migrations: how Nutanix Move handles cutover, CVM performance, licensing costs, support and daily AHV management. - [Your VMware vSphere License Just Expired. Now What?](https://www.mrplanb.com/blog/vmware-vsphere-license-expired-now-what) - When a vSphere subscription expires, VMs keep running, but stopped VMs won't start and snapshots and backups can fail. Then come the compliance letters. - [When a Commercial Zabbix Upgrade Makes Sense](https://www.mrplanb.com/blog/zabbix-alternative-commercial-upgrade-data-center) - Zabbix gathers metrics well but can't reach a dead OS or track assets. Here is when data centers need out-of-band control, an automated CMDB and support. - [Proxmox LXC vs VM vs Docker in 2026: Which to Use for What](https://www.mrplanb.com/blog/docker-lxc-vs-vms-proxmox-debate-2026) - Proxmox LXC vs VM vs Docker in LXC: how isolation, overhead, upgrade breakage and official support compare, and why the debate never settles. - [Why Prometheus Counters Confuse Teams Moving From Datadog](https://www.mrplanb.com/blog/prometheus-counters-aren-t-broken-but-they-re-breaking-teams-who-treat-them-like-datadog) - Why counter semantics confuse teams during Datadog to Prometheus migrations, and the query patterns that avoid silent misreads. - [Yes, You Can Mix RAM Sizes and Speeds on a Proxmox Server](https://www.mrplanb.com/blog/mixing-ram-sizes-proxmox-server-settled) - Mixing RAM sizes and speeds on a Proxmox server works if you balance memory channels, accept the slowest stick's speed, mind ranks and XMP, and test it. - [How I Ended Up Running Ceph, StarWind and Synology at Once](https://www.mrplanb.com/blog/ceph-starwind-synology-storage-turducken) - A Proxmox homelab story about chasing HA bulk storage with Ceph, StarWind VSAN and Synology, and why letting each tool do its own job won out. - [Running Clawdbot on Proxmox: A Practical Guide for Real Humans](https://www.mrplanb.com/blog/clawdbot-proxmox-practical-guide) - How to run Clawdbot, a self-hosted AI agent, on Proxmox VE: LXC gotchas, systemd workarounds, Docker alternatives, and security hardening. - [New Proxmox Tool PveSphere Makes Big Promises, Meets Skepticism](https://www.mrplanb.com/blog/pvesphere-proxmox-tool-skepticism) - PveSphere launched as a production-ready multi-cluster manager for Proxmox VE. The community answered with cautious optimism, jokes and hard questions. - [The 200TB Tape Killer: Why Storage People Have Seen This Before](https://www.mrplanb.com/blog/the-200tb-tape-killer-everyone-wants-to-believe-in-but-storage-people-have-seen-this-movie-before) - HoloMEM claims a 200TB holographic cartridge that drops into LTO autoloaders. Why storage veterans want demos, pricing and proof before they believe it. - [Why Your Proxmox Migration Failed (Hint: It Wasn't Proxmox)](https://www.mrplanb.com/blog/why-proxmox-migration-failed-not-proxmox) - Failed Proxmox migrations usually trace back to VMware era habits: uncapped ZFS ARC, Ceph on 1GbE and misaligned disks, not to Proxmox itself. - [How One Team Cut Prometheus Memory From 60GB to 20GB](https://www.mrplanb.com/blog/how-one-team-slashed-prometheus-memory-from-60gb-to-20gb-and-exposed-the-silent-cardinality-cris) - A real case study on cutting Prometheus memory usage from 60GB to 20GB by identifying toxic labels and reclaiming scrape reliability. - [From $3K to $21K: Broadcom's VMware Pricing Hits Small IT Teams](https://www.mrplanb.com/blog/broadcom-vmware-3k-to-21k-small-it-teams) - VMware renewals are hitting small IT teams with 7x price increases. For many the math no longer works, and the move to Proxmox and Hyper-V is speeding up. - [Fix a Slow CI Pipeline: Cutting 58 Minutes to 14 by Fixing QA](https://www.mrplanb.com/blog/fix-slow-ci-pipeline-qa-not-hardware) - A team cut its CI pipeline from 58 to 14 minutes by tiering tests, parallelizing, fixing flaky tests and tracking retries instead of buying hardware. - [Ceph, StarWind or Something Else for HA Storage in Proxmox?](https://www.mrplanb.com/blog/ceph-starwind-ha-storage-proxmox-middle-ground) - Why highly available Samba or NFS storage in Proxmox is hard, comparing Ceph, CephFS, StarWind VSAN, clustered filesystems and a plain NAS. - [Prometheus Memory Usage: How Dashboards Drove Cardinality](https://www.mrplanb.com/blog/prometheus-how-we-slashed-memory-usage-and-discovered-our-dashboards-were-the-real-problem) - Why Prometheus memory usage climbs when dashboards depend on high-cardinality labels, and how auditing label usage with PromQL cuts series count and RAM. - [Put Your Cluster on Ice: The One Step You Can't Forget in Proxmox HA](https://www.mrplanb.com/blog/proxmox-ha-maintenance-mode-cluster-ice) - A rack power upgrade became a cluster-wide reboot storm because HA was never put into maintenance mode, a step Proxmox still has no GUI button for. - [Tape Isn't Dead: What a 50PB Closed Site Actually Needs](https://www.mrplanb.com/blog/tape-storage-was-supposed-to-be-dead-then-someone-showed-up-with-50pb-and-a-reality-check) - A closed site with 50PB on IBM TS4500 tape weighs VAST Data, IBM ESS, Ceph and TrueNAS for its aging Tier 1, and why tape still earns its place. - [Why Building Your Own Prometheus Exporter Can Be the Right Move](https://www.mrplanb.com/blog/because-real-heroes-build-their-own-exporters-and-sometimes-that-s-exactly-the-right-move) - Building a custom exporter can be the fastest path to useful observability when critical systems lack stable community integrations. - [Blackwell GPUs on Proxmox 9.1: When Open Nvidia Drivers Won't Load](https://www.mrplanb.com/blog/blackwell-proxmox-nvidia-drivers-refuse-load) - Blackwell GPUs on Proxmox 9.1: Nvidia's open kernel driver compiles but won't load. Kernel downgrades, VFIO conflicts, and why some hosts need a reinstall. - [Cheapest S3-Compatible Storage for Proxmox Backup in 2026](https://www.mrplanb.com/blog/s3-storage-boxes-vps-proxmox-backup-2026) - Wasabi vs Backblaze B2 vs Hetzner Storage Box for Proxmox Backup Server in 2026: real monthly costs, egress fees, and reliability tradeoffs compared. - [Proxmox Clusters and SANs: A Storage Surprise When Leaving VMware](https://www.mrplanb.com/blog/proxmox-san-vmware-exit-problem) - Leaving VMware for Proxmox? A SAN-backed cluster won't behave the same way, and that gap in expectations catches many teams flat-footed. - [Native Prometheus Instrumentation vs OpenTelemetry for Metrics](https://www.mrplanb.com/blog/why-i-recommend-native-prometheus-instrumentation-over-opentelemetry-and-why-that-title-sparked-) - A focused argument for native Prometheus metrics instrumentation in specific scenarios, with clear boundaries on where OpenTelemetry remains the better fit. - [Windows 11 on Proxmox Is Broken for Some Power Users, Cause Unclear](https://www.mrplanb.com/blog/windows-11-proxmox-performance-broken) - Windows 11 VMs on Proxmox with hybrid Intel CPUs run far below host speed. Pinning, Hyper-V flags, CPU type and a 24H2 regression are all suspects. - [How a Power Failure and a Broken initramfs Took Down My Proxmox](https://www.mrplanb.com/blog/proxmox-power-failure-initramfs-boot) - A power outage turned into a week-long debugging session when initramfs refused to mount the root filesystem. Here's what went wrong and how to fix it. - [The 120PB Storage Question That Makes Open Source Look Expensive](https://www.mrplanb.com/blog/the-120pb-storage-question-that-makes-every-just-use-open-source-answer-feel-suddenly-expensive) - A 120PB HPC and AI storage decision for quant research: DDN, open-source Lustre, DeepSeek 3FS, NetApp or VAST, and why support and staffing decide it. - [Why Tesla Picked ClickHouse Over Thanos for Prometheus at Scale](https://www.mrplanb.com/blog/why-did-tesla-move-to-clickhouse-instead-of-scaling-thanos-and-what-that-actually-says-about-pro) - Why large teams sometimes choose ClickHouse over Thanos or Cortex, and what that decision reveals about architecture, cost, and query patterns at scale. - [10 Proxmox Mistakes to Avoid (and What to Do Instead)](https://www.mrplanb.com/blog/10-proxmox-mistakes-avoid) - 10 common Proxmox mistakes, from ZFS RAM planning and RAIDZ for VMs to HA quorum, backups and Docker on the host, and how to avoid each one. - [When Monitoring My Homelab Became an Unpaid Second Job](https://www.mrplanb.com/blog/monitoring-my-homelab-became-a-second-job-and-i-m-not-even-getting-paid) - A practical look at monitoring stack sprawl in homelabs and how to simplify alerting, dashboards, and ownership before observability becomes busywork. - [Migrating 200+ VMs to Proxmox Is Really a Networking Problem](https://www.mrplanb.com/blog/migrating-200-vms-proxmox-networking-problem) - Why large VMware to Proxmox migrations succeed or fail on networking: hardcoded IPs, traffic flows, VLANs, MAC-bound licenses and careful batching. - [Turning One Proxmox Node Into a Multi-Tenant Self-Service Cloud](https://www.mrplanb.com/blog/proxmox-multi-tenant-self-service-cloud-rbac-sdn) - How pools, RBAC and per-project SDN zones let teams self-manage VMs in the Proxmox GUI on one node, without root and without seeing each other's resources. - [Stop Touching Every Device: Funnel SNMP Traps into Zabbix at Scale](https://www.mrplanb.com/blog/stop-touching-every-device-the-smarter-way-to-funnel-snmp-traps-into-zabbix-at-scale) - How centralized SNMP trap ingestion and template-driven routing reduce drift and scale Zabbix monitoring across large fleets. - [When a Three-Node Proxmox Cluster Becomes a Small Data Center](https://www.mrplanb.com/blog/holy-proxmox-jesus-three-node-cluster-data-center) - A three-node Proxmox cluster with 4.5TB of RAM and hundreds of CPU cores drew attention once readers saw it was serious production infrastructure. - [Proxmox Update Strategies: Automation Patterns from Real Operators](https://www.mrplanb.com/blog/proxmox-update-strategy-ansible-prayer) - A look at how homelabbers actually keep Proxmox, LXCs, and VMs updated, from elegant automation to hopeful reboots. - [Don't Forget Your Running Sessions: A Shell Hack for Proxmox SSH](https://www.mrplanb.com/blog/running-sessions-shell-hack-proxmox-ssh) - A simple .bashrc trick to remind you about running screen and tmux sessions when working on remote Proxmox systems via SSH. - [Moving a Midsize Business to Proxmox: Rough Edges and Savings](https://www.mrplanb.com/blog/midsize-business-proxmox-migration-savings) - A 500-employee business moved from VMware to Proxmox. Six months in: mostly positive, sometimes frustrating, and about 25% of what VMware and Dell quoted. - [After Eight Years, a Juniper EX Template for Virtual Chassis](https://www.mrplanb.com/blog/eight-years-of-silence-and-finally-a-juniper-ex-template-that-understands-virtual-chassis) - A modernized Juniper EX template adds Virtual Chassis discovery and member-level visibility for real production monitoring. - [AI Didn't Kill DevOps, but It Made the Stakes Way Higher](https://www.mrplanb.com/blog/ai-didnt-kill-devops-stakes-higher) - AI speeds up DevOps work, including the mistakes. Where AI helps, where it adds risk in production, and why humans must stay in the loop. - [Why Many VMware Professionals Are Migrating in 2025](https://www.mrplanb.com/blog/vmware-pros-ditching-platform-2025) - 2025 is shaping up as a major VMware migration year, with many long-time operators evaluating alternatives for cost and control. - [Citrix to Proxmox: One Engineer's Accidental Upgrade That Worked](https://www.mrplanb.com/blog/citrix-to-proxmox-accidental-upgrade-worked) - After company politics upended his XenServer work, one Citrix engineer moved to Proxmox VE and found the CLI, GPU passthrough and clustering just worked. - [VirtIOFS Is the Best Thing You're Not Using in Proxmox](https://www.mrplanb.com/blog/virtiofs-best-thing-not-using-proxmox) - VirtIOFS shares host folders and ZFS datasets with Proxmox VMs more simply than Samba or NFS. Use cases, Windows issues and 150MB/s vs 1.5GB/s performance. - [Is a Proxmox Subscription Worth It? PVE Repos and Pricing](https://www.mrplanb.com/blog/proxmox-subscription-worth-it-paywall-stability) - Is Proxmox subscription worth it? Breakdown of enterprise repo benefits, socket pricing, support value, and when no-subscription is still enough. - [Why Your 12-Hour Zabbix Alert Summary Misses Active Problems](https://www.mrplanb.com/blog/your-12-hour-alert-summary-is-nice-but-here-s-why-it-s-missing-the-most-important-problems) - Why 12-hour event summaries miss long-running active incidents, and how to merge history and current problem state correctly. - [Kasm Workspaces on Proxmox: A Free Citrix VDI Alternative](https://www.mrplanb.com/blog/kasm-workspaces-proxmox-vdi-setup) - Explore how Kasm Workspaces paired with Proxmox VE offers a browser-based, scalable, and free VDI alternative to Citrix and VMware Horizon. - [Real Stories from Kubernetes Admins Keeping Production Stable](https://www.mrplanb.com/blog/clusterfcked-kubernetes-admin-stories) - Kubernetes admins share war stories: SELinux mandates from the CEO, vendor add-ons, Vault and ESO without docs, and homelab crash loops. - [Zabbix Server Running but No Login? Common Mistakes to Check](https://www.mrplanb.com/blog/zabbix-server-running-no-login-common-mistakes) - Zabbix server running and the frontend loads, but login fails? Check credentials, MySQL port 3306, Docker localhost, SELinux, sockets and logs. - [Five Years or Nothing: Broadcom's VMware Licensing Shift Explained](https://www.mrplanb.com/blog/broadcom-five-year-licensing-virtualization-market) - Broadcom's push for five-year VMware contracts is accelerating migration planning and long-term budgeting decisions across the virtualization market. - [From $3K to $47K: VMware Licensing Changes Push Teams to Migrate](https://www.mrplanb.com/blog/broadcom-vmware-3k-to-47k-shockwave) - A VMware Essentials renewal jumped from $3K to $47K. Why Broadcom's pricing is pushing teams toward Proxmox, Hyper-V, XCP-NG and Nutanix AHV. - [MinIO Alternatives: Self-Hosted S3 After Maintenance Mode](https://www.mrplanb.com/blog/minio-maintenance-mode-s3-alternatives) - MinIO's open-source version went into maintenance mode, then got archived. Compare the best MinIO alternatives: Garage, SeaweedFS, RustFS and Ceph. - [VMware Core Minimums Under Broadcom: 16, 72 or 96 Cores?](https://www.mrplanb.com/blog/vmware-licensing-maze-16-72-96-cores) - Broadcom docs say 16 cores per socket, reps quote a 72-core minimum, and some report 96 for vSphere 8. What admins are seeing, including the EEA exception. - [apt upgrade vs dist-upgrade: The Proxmox Trap Everyone Walks Into](https://www.mrplanb.com/blog/apt-upgrade-vs-dist-upgrade-proxmox-trap) - Why apt upgrade left a Proxmox 8 host half upgraded to Proxmox 9, what people tried to repair it, and why dist-upgrade is the safe command. - [Why Kubernetes 1.35 Feels Like a Security-First Release](https://www.mrplanb.com/blog/kubernetes-1-35-security-first-release) - Kubernetes 1.35 drops cgroup v1, hardens Kubelet certificate validation, adds constrained impersonation and turns on user namespaces by default. - [Broadcom's CNCF Donation: Community Reactions and Open-Source Trust](https://www.mrplanb.com/blog/broadcom-cncf-donation-damage-control) - Broadcom donated a Kubernetes tool to CNCF, but community response remains mixed due to recent platform and licensing changes. - [Proxmox in the Enterprise: Gotchas for VMware Admins](https://www.mrplanb.com/blog/proxmox-enterprise-gotchas-vmware-admins) - What VMware admins run into when moving to Proxmox: storage design, Ceph hardware, AMD Epyc NUMA, Windows licensing, networking, HA and Oracle. - [The State of AI in 2025: What Sets High Performers Apart](https://www.mrplanb.com/blog/state-of-ai-2025-pilots-transformation) - 88% of organizations use AI but only a third are scaling it. How high performers differ: transformative goals, workflow redesign, agents and investment. - [Zero-Downtime Deployments Without Kubernetes](https://www.mrplanb.com/blog/zero-downtime-deploys-without-kubernetes) - Zero-downtime deploys without Kubernetes: load balancers, blue-green, symlink releases, SIGTERM draining, Docker setups and safe database migrations. - [Running a Remote Proxmox Server With Zero Inbound Access](https://www.mrplanb.com/blog/remote-proxmox-zero-inbound-access) - How homelabbers reach a Proxmox host with no inbound access using WireGuard, Tailscale, Cloudflare Tunnel, NATed VNets and a remote KVM with power control. - [Why Home Labs Drift into Complexity (and How to Fix It)](https://www.mrplanb.com/blog/home-lab-spaghetti-monster-proxmox-chaos) - Proxmox home labs start clean and turn into spaghetti. Users share how documentation, naming, IaC and backup retention bring them back under control. - [The Unraid Manager App Is Public and iOS Users Are Loving It](https://www.mrplanb.com/blog/unraid-manager-app-ios-release) - A solo developer released the free Unraid Manager app for iOS. What users like, the early bugs, API key setup tips and why Android users are still waiting. - [ECC vs Non-ECC RAM for Proxmox in 2026: What Actually Breaks](https://www.mrplanb.com/blog/ecc-vs-non-ecc-ram-proxmox) - ECC vs non-ECC RAM for Proxmox: how often bit flips happen, why Ceph checksums can't catch them, and when ECC is worth paying for in a homelab or business. - [Proxmox 9.1 Upgrade Problems: Kernel, NIC and GPU Crashes](https://www.mrplanb.com/blog/proxmox-9-1-upgrade-kernel-panic-network-gpu) - Proxmox 9.1 upgrade problems users reported: kernel panics, netdev crashes on Mellanox NICs, iGPU trouble with Frigate, and the rollbacks that helped. - [Manufacturing IT and VCF 9: How to Run a Minimal Deployment](https://www.mrplanb.com/blog/manufacturing-it-vcf-minimal-deployment) - How mid-sized manufacturers can run a minimal VCF 9 deployment: skipping NSX and vSAN, VLAN-backed port groups, VCF Edge and the shelfware approach. - [Veeam Unable to Register Nutanix AHV Cluster: What to Check](https://www.mrplanb.com/blog/veeam-nutanix-ahv-backup-registration-failure) - Veeam deploys its proxy to a Nutanix AHV cluster, then says unable to register cluster. What I ruled out, what Reddit suggested and six checks worth doing. - [From ECS to EKS: Practical Migration Lessons](https://www.mrplanb.com/blog/ecs-to-eks-kubernetes-migration) - Moving from ECS to EKS is a common progression with real complexity. This guide covers common migration issues and how teams handle them. - [Do I Need More RAM or Just Fewer Linux Mint VMs in Proxmox?](https://www.mrplanb.com/blog/ram-linux-mint-proxmox-memory-management) - Maxing out RAM in a 3-node Proxmox cluster came down to too many desktop VMs. What the community said about LXC, ballooning and headless servers. - [LXC Meets Docker? And Other Questions About Proxmox 9.1](https://www.mrplanb.com/blog/lxc-docker-proxmox-9-1-questions) - Proxmox VE 9.1 adds OCI image support for LXC containers. Answers on Docker-in-LXC fixes, TPM changes, other new features and upgrade stability. - [Proxmox 9.1 Docker Containers: How OCI Images Run as LXC](https://www.mrplanb.com/blog/proxmox-9-1-oci-containers-docker-reality) - Proxmox 9.1 runs Docker images as LXC containers with no Docker engine. How it works, where it fits, and why updates, networking and Compose are awkward. - [How One Feature File Caused Cloudflare's Worst Outage Since 2019](https://www.mrplanb.com/blog/inside-cloudflare-worst-outage-2019) - How a ClickHouse permissions change doubled a Bot Management feature file and caused Cloudflare's biggest outage since 2019 on November 18, 2025. - [Proxmox VE 9.1: What's New and What to Watch Out For](https://www.mrplanb.com/blog/proxmox-ve-9-1-release-whats-new) - What's new in Proxmox VE 9.1: LXC from OCI images, vTPM in qcow2, a nested-virt flag, SDN status views, and the kernel 6.17 issues to plan for. - [Cost-Effective Ceph at Home: Real Homelab Builds Compared](https://www.mrplanb.com/blog/cost-effective-ceph-homelab-builds) - Cost-effective Ceph homelab builds, from Optiplex mini-PCs to Supermicro servers at $75 to $250 per node, plus the network, storage and noise tradeoffs. - [USB vs SATA: The Unexpected Debate Behind Virtualized PBS Storage](https://www.mrplanb.com/blog/usb-vs-sata-pbs-storage-debate) - Running Proxmox Backup Server as a VM after downsizing: SATA pass-through vs USB drives, virtual disks, the 3-2-1 rule and what one homelabber chose. - [Oracle Linux vs VMware: What Enterprises Find When They Test OLVM](https://www.mrplanb.com/blog/oracle-linux-vmware-enterprises-test-switch) - After Broadcom's 300% VMware price hike, an enterprise tested Oracle's OLVM as a replacement and hit missing features, licensing risk and ecosystem gaps. - [Redundant DNS at Home With Pi-hole, Unbound, Keepalived and a VPN](https://www.mrplanb.com/blog/redundant-dns-home-vpn-privacy-setup) - A home DNS build with two Pi-hole and Unbound nodes, a Keepalived virtual IP and VPN routing, plus the trade-offs to weigh before copying it. - [Kubecost vs OpenCost: When Cost Monitoring Hurts More Than the Bill](https://www.mrplanb.com/blog/kubecost-vs-opencost-kubernetes-cost-monitoring) - Kubecost vs OpenCost in real clusters: OpenCost UI timeouts at scale, Kubecost's 15-day free tier and IBM ownership, and why teams build their own tools. - [VCF Takeover: Is VMware Pricing Itself Out of the Market?](https://www.mrplanb.com/blog/vcf-takeover-vmware-pricing-market) - VMware VCF pricing under Broadcom: reported per core costs for VCF and VVF, the 72 core minimum, how users react to quotes, and why some plan an exit. - [Why Some Enterprises Still Ban Docker, and Workarounds](https://www.mrplanb.com/blog/why-enterprises-ban-docker-devs-workarounds) - Why banks and other regulated enterprises ban Docker on developer machines, and how dev teams cope with Podman, shared clusters and older workflows. - [Opsgenie Alternatives: What DevOps Teams Switch To](https://www.mrplanb.com/blog/opsgenie-alternatives-devops-alerting-tools-2025) - Why DevOps teams are leaving Opsgenie and where they go: Incident.io, Datadog On-Call, FireHydrant, Rootly, JSM Alerts and smaller alerting tools. - [VMware's AI Integration Is Here, but Do Sysadmins Actually Want It?](https://www.mrplanb.com/blog/vmware-ai-integration-sysadmin-response) - VMware launched Intelligent Assist, an AI chatbot in vDefend. Why sysadmins distrust AI in production and where VMware AI could still earn a place. - [Ingress-NGINX Is Retiring, and Kubernetes Already Has Favorites](https://www.mrplanb.com/blog/ingress-nginx-retiring-kubernetes-favorites) - Ingress-NGINX retires in March 2026. Where Kubernetes operators are moving: Traefik, Envoy Gateway, Cilium, Istio, Contour, HAProxy and cloud balancers. - [VMware Licensing Costs in 2026: From Essentials to Expensive](https://www.mrplanb.com/blog/vmware-licensing-harsh-reality-2026) - VMware licensing in 2026 explained: per-core pricing impact, budget math for small IT teams, and practical alternatives after Broadcom changes. - [AWS Backup Adds Native Amazon EKS Support: No More Backup Scripts](https://www.mrplanb.com/blog/aws-backup-native-eks-support) - AWS Backup now supports Amazon EKS natively, backing up cluster state and persistent volumes without custom scripts or Velero. What users think so far. - [Docker in LXC on Proxmox: Risks, Tradeoffs, and Lessons](https://www.mrplanb.com/blog/docker-lxc-ticking-time-bomb-proxmox) - Proxmox homelabbers compare running Docker in LXC containers vs VMs: kernel panics, privileged vs unprivileged LXCs, backups, and hybrid setups. - [HYCU vs Veeam vs Cohesity vs Catalogic for Small Nutanix Shops](https://www.mrplanb.com/blog/hycu-veeam-cohesity-catalogic-nutanix-backup) - HYCU vs Veeam vs Cohesity vs Catalogic for Nutanix backup: real operator feedback on restore speed, complexity, and total cost for smaller teams. - [How One Bad API Call Took Down an Entire Ceph Cluster](https://www.mrplanb.com/blog/ceph-cluster-crash-bad-api-call) - One bad curl request crashed every Ceph monitor in a Proxmox homelab. How the admin rebuilt the monitor store from OSDs, and the API validation lesson. - [Cloud First, Regret Later: IT Pros on What Happens After Migration](https://www.mrplanb.com/blog/cloud-first-regret-later-it-pros-migration) - IT pros explain why cloud migrations often cost more: lift and shift, hidden fees, OPEX accounting, when cloud pays off, and de-cloudification. - [Goodbye VMware: Why Teams Are Moving to Kubernetes and KubeVirt](https://www.mrplanb.com/blog/goodbye-vmware-kubernetes-kubevirt-virtualization) - After Broadcom's licensing changes, engineers share why they left VMware for Kubernetes with KubeVirt, what it cost, and what they gained in control. - [No Budget for Enterprise Drives? How Proxmox Users Fight SSD Wearout](https://www.mrplanb.com/blog/no-budget-enterprise-drives-proxmox-ssd-wearout) - Proxmox SSD wearout guide: reduce write amplification, tune ZFS, and extend consumer drive life when enterprise SSDs are out of budget. - [VVF to VCF Transition: What It Means for VMware Customers](https://www.mrplanb.com/blog/when-virtual-infrastructure-becomes-hostage-vvf-vcf-saga) - Broadcom is phasing out vSphere Foundation for VMware Cloud Foundation, pricing out smaller teams. The costs, tradeoffs and alternatives they weigh. - [Velero After Acquisition: Community Risk and Contingency Plans](https://www.mrplanb.com/blog/fork-it-till-you-make-it-kubernetes-backup-drama) - Broadcom now owns Velero, and Kubernetes users are weighing a fork. What the community fears, the alternatives it is testing, and how to prepare. - [Proxmox DC Migration Saga: Untangling an Active Directory Mess](https://www.mrplanb.com/blog/proxmox-dc-migration-saga-active-directory-mess) - Domain controllers restored from VMware into Proxmox lost their NIC. How admins got back in with VirtIO and E1000, and why rebuilding a DC beats restoring. - [How a 200TB Proxmox and TrueNAS Homelab Became a Career Portfolio](https://www.mrplanb.com/blog/six-grand-twelve-drives-one-dream-200tb-server-portfolio) - An IT support tech built a 200TB Proxmox and TrueNAS homelab for about six grand to prove his skills, and turned the build into a living resume. - [Claude, Copilot, and Chaos: How AI Is Hollowing Out Tech Teams](https://www.mrplanb.com/blog/claude-copilot-chaos-ai-hollowing-tech-teams) - An AI coding trial turned into a reason to cut DevOps hiring, and engineers on Reddit say juniors and the talent pipeline are paying for it. - [IBM Layoffs and AI Messaging: What IT Teams Are Discussing](https://www.mrplanb.com/blog/layoffs-lies-ai-excuse-ibm-holiday-gift-workers) - A critical look at IBM layoffs, AI transformation messaging, and how cost pressure is affecting technology teams. - [Podman vs. Docker: Better on Paper, Losing in Practice](https://www.mrplanb.com/blog/podman-vs-docker-better-paper-losing-practice) - Podman is rootless, daemonless and secure, yet Docker still dominates. Why compatibility gaps, docs, Compose vs Quadlets and stability keep Docker ahead. - [Tailscale Was Down Again, and Here's What the Internet Had to Say](https://www.mrplanb.com/blog/tailscale-was-down-again) - A Tailscale control plane outage left users locked out of the admin console, raised status page doubts and sent some toward Headscale and backup VPNs. - [Ceph, HA, and the Minimum Viable Cluster for SMBs](https://www.mrplanb.com/blog/ceph-ha-minimum-viable-cluster-smbs) - The smallest Proxmox HA cluster that makes sense with Ceph, from 2-node setups with a QDevice to the 3 to 5 node builds the community recommends for SMBs. - [Proxmox SSD Disappearing After Reboot: Troubleshooting Guide](https://www.mrplanb.com/blog/proxmox-ssd-vanishing-reboot-issues) - Proxmox SSD disappearing after reboot? The community fixes that worked for a vanishing NVMe drive: ASPM, PCIe lanes, card seating, cooling and power. - [Linux RDP for Beginners: Debian, Ubuntu and More in Proxmox](https://www.mrplanb.com/blog/rdp-linux-beginners-debian-ubuntu) - Linux RDP for beginners in a Proxmox home lab: the distros and desktops that work best, from Debian XFCE to Ubuntu and Zorin, plus xrdp and VNC tips. - [Proxmox Helper Scripts: Handy Shortcut or Hidden Security Risk?](https://www.mrplanb.com/blog/helper-scripts-hidden-risks-proxmox-community) - Why the Proxmox community is split on helper scripts: fast installs for busy homelabbers versus trust, security and learning concerns, plus a middle path. - [Running Proxmox on Old Xeon Hardware: What Still Works](https://www.mrplanb.com/blog/legacy-cpu-performance-proxmox) - Can a 14-year-old dual Xeon still run Windows 11? Homelabbers weigh Proxmox against bare metal and share how they get value from aging hardware. - [MariaDB Operator 25.10 and Stateful Workloads on Kubernetes](https://www.mrplanb.com/blog/mariadb-operator-25-10-stateful-kubernetes) - MariaDB Operator 25.10 brings GA async replication, automated failover and snapshot-based replica recovery to stateful database workloads on Kubernetes. - [P2V for AHV Without Move? Here's What IT Pros Are Doing in 2025](https://www.mrplanb.com/blog/p2v-ahv-without-move-2025) - Nutanix Move can't convert physical servers to AHV. The community playbook: VirtIO drivers first, then Veeam or Clonezilla, VMDK imports and partner tools. - [Unraid 7.2.0: Mobile WebGUI, RAIDZ Expansion and an API](https://www.mrplanb.com/blog/unraid-7-2-0-game-changer) - Unraid 7.2.0 adds a responsive mobile WebGUI, one-drive ZFS RAIDZ expansion and a built-in API. What upgraders report, and whether to update now. - [vSphere Standard Is Gone: What SMBs Are Doing Instead](https://www.mrplanb.com/blog/broadcom-killed-vsphere-standard-smbs-doing-instead) - Broadcom discontinued vSphere Standard, and SMB admins are moving to Proxmox and Hyper-V, with Nutanix AHV as a pricier option. Here is what they report. - [Why Kubernetes Still Lacks Native Live Container Migration](https://www.mrplanb.com/blog/kubernetes-live-container-migration) - Why Kubernetes still can't live migrate containers, what CAST AI's CRIU-based migration for EKS does, and the case for making it a native feature. - [Running PBS on the Same Host? Why Your Backups Might Crawl](https://www.mrplanb.com/blog/pbs-same-host-backup-performance) - Why Proxmox Backup Server in a VM on the same host backs up slowly on fast hardware: NIC tuning, bare metal or LXC installs, and FIO benchmarks. - [Is Proxmox Support Worth It? What Real Users Say](https://www.mrplanb.com/blog/proxmox-support-worth-it-real-users) - Real user reports on paid Proxmox support: 36-node bug hunts, CET support hours, Gold Partners for other time zones, and who should buy a subscription. - [Slow Windows VMs in Proxmox? The CPU Type Setting May Be the Fix](https://www.mrplanb.com/blog/windows-vms-crawling-proxmox-cpu-fix) - Slow Windows VMs in Proxmox? The 'Host' CPU type can trigger heavy Windows mitigations. Why an emulated model like AES-V2 made one VM 15x faster. - [Ephemeral Kubernetes Namespaces for Dev: Smart or Scaling Nightmare?](https://www.mrplanb.com/blog/ephemeral-kubernetes-namespaces-dev-environments) - Per-PR ephemeral Kubernetes namespaces for dev and test: cleanup with TTLs and CronJobs, shared vs fresh databases, vClusters and other tradeoffs. - [TrueNAS vs Ubuntu vs Unraid: Best OS for an Offsite Backup Server](https://www.mrplanb.com/blog/truenas-ubuntu-unraid-best-backup-server-os) - TrueNAS vs Ubuntu vs Unraid for offsite backups: compare cost, setup complexity, ransomware resilience, and long-term maintenance for homelab storage. - [AWS GovCloud vs Commercial Cloud After the us-east-1 Outage](https://www.mrplanb.com/blog/aws-govcloud-vs-commercial-cloud-breakdown) - Why AWS GovCloud stayed up when us-east-1 went down, why some federal users still had problems, and what the outage says about cloud dependencies. - [Cloud vs. Couch: Is VPS the Better Way to Self-Host in 2025?](https://www.mrplanb.com/blog/cloud-vs-couch-vps-better-self-hosting-2025) - Why self-hosters are moving from home servers to VPS, where home hardware still wins on storage, latency and control, and how hybrid setups combine both. - [VMware vs Hyper-V: The Unexpected Nuances of Making the Leap](https://www.mrplanb.com/blog/vmware-vs-hyperv-unexpected-nuances) - What changes when you move from VMware to Hyper-V: Windows failover clustering, SET networking, VM conversion, DR without SRM, and a steep learning curve. - [Grafana Still Wins: Lessons From a $40K Monitoring Tool Failure](https://www.mrplanb.com/blog/grafana-monitoring-tool-adoption-failure) - A DevOps team spent $40K on an AI monitoring platform, logged in 47 times in a year and kept using Grafana. What went wrong with tool adoption. - [Inside AWS's October Outage and What Went Wrong](https://www.mrplanb.com/blog/inside-aws-outage-october-2025) - How a DynamoDB DNS race condition disrupted AWS us-east-1 for over 14 hours, hitting EC2, NLB, Lambda and Connect, and what AWS is changing. - [Running Proxmox in Production on Dell PowerEdge Servers](https://www.mrplanb.com/blog/dell-proxmox-production-compatibility) - Proxmox runs fine on Dell PowerEdge servers even though Dell doesn't list it as supported. What that means for warranty claims, drivers and production. - [How Proxmox Users Fix Full LVM-Thin Storage Pools and Bloat](https://www.mrplanb.com/blog/proxmox-lvm-thin-storage-bloat-solutions) - Proxmox LVM-thin filling up? Learn practical fixes to reclaim space, prevent pool bloat, and stop backup or VM failures before they happen. - [Broadcom's Big VCF Shakeup: A Calm Guide to the Licensing Changes](https://www.mrplanb.com/blog/broadcom-vcf-shakeup-calm-guide) - What Broadcom's VMware Cloud Foundation licensing changes mean, from BYO cloud licenses and the 16-core rule to VCF 9.0, and how teams are responding. - [Multi-Region Failover: Why It Is Harder Than the Diagrams Suggest](https://www.mrplanb.com/blog/everyone-googled-multi-region-failover) - After the AWS US-East-1 outage, engineers Googled multi-region failover. Cost, vendor dependencies and unrehearsed plans make it harder than diagrams show. - [When Your Firewall Won't Listen: Locking Down Proxmox Port 8006](https://www.mrplanb.com/blog/proxmox-port-8006-firewall-frustration) - Why blocking Proxmox port 8006 is harder than it looks: pveproxy binds every interface, rule order matters, and VLANs help isolate management. - [AWS us-east-1 Outage: Why Concentration Risk Still Matters](https://www.mrplanb.com/blog/aws-east-1-outage-biggest-liability) - A DynamoDB DNS failure took down AWS US-EAST-1 and 82 services, from Slack to Ring. Why one region is still the cloud's biggest single point of failure. - [When GitOps Meets Emergency Fixes: ArgoCD Operational Lessons](https://www.mrplanb.com/blog/gitops-argocd-emergency-fixes) - GitOps can be clean in theory but difficult under production pressure. A practical look at ArgoCD emergency-fix workflows and operational tradeoffs. - [When the Cloud Breaks: How One AWS Outage Took Down Half the Internet](https://www.mrplanb.com/blog/when-cloud-breaks-aws-outage-took-down-half-internet) - The October 20 AWS us-east-1 outage took down Amazon, Slack, Fortnite, Duolingo and more, and showed how much of the internet depends on one region. - [Proxmox Ceph vs ZFS: Which Storage for a Homelab Cluster?](https://www.mrplanb.com/blog/ceph-vs-zfs-storage-wars-proxmox-community) - Ceph vs ZFS in Proxmox homelabs: a practical comparison of complexity, failure handling, and performance for real-world self-hosted clusters. - [Proxmox Ceph vs ZFS vs NAS: HA Storage Compared](https://www.mrplanb.com/blog/ceph-vs-zfs-vs-nas-proxmox-ha-storage) - Proxmox Ceph vs ZFS vs NAS for high availability: how each handles a node failure, which cluster sizes it fits, and how to pick without overengineering. - [Proxmox UPS Support: Why There's No GUI and What to Use](https://www.mrplanb.com/blog/proxmox-9-ups-support-missing) - Proxmox UPS support has never been in the WebGUI, in version 8 or 9. Why it is missing, and how users set up NUT, apcupsd, gateway servers and scripts. - [Slow Proxmox iSCSI Storage: Fixes for Ex-VMware Users](https://www.mrplanb.com/blog/proxmox-iscsi-storage-vmware-migration) - Why Proxmox iSCSI storage with LVM runs slow after a VMware migration, and the fixes users report: NFS, mirrored ZFS vdevs, a SLOG, multipath and VirtIO. - [Proxmox Clusters Over Tailscale: What Tailmox 1.2.0 Changes](https://www.mrplanb.com/blog/tailmox-1-2-0-proxmox-tailscale) - Tailmox 1.2.0 uses tailscale serve to cluster Proxmox hosts across sites with no open ports. What changed and where global clustering falls short. - [Editing in Prod: A Love Letter to SREs Who Broke Glass](https://www.mrplanb.com/blog/editing-prod-sre-breakglass) - GitOps promises pristine, repeatable deployments until your cluster is on fire at 2AM. Why kubectl edit in prod isn't always a sin. - [From Enterprise Bloat to OSS: A Kubernetes Cost-Cutting Story](https://www.mrplanb.com/blog/enterprise-bloat-oss-cost-cutting) - A team saved $100,000 by swapping an overpriced enterprise API gateway for Kong OSS, then kept finding the same kind of bloat in other stacks. - [Open Source Is Free Until It's Not: CNCF and the Cost of Free](https://www.mrplanb.com/blog/open-source-free-until-not-cncf) - The internet runs on open source tools maintained by volunteers who might burn out or walk away at any time. What happens when 'free' stops being free? - [Who Needs Blue-Green? Tales From Live Kubernetes Cluster Upgrades](https://www.mrplanb.com/blog/blue-green-live-cluster-upgrades) - Blue-green is the gold standard, yet plenty of teams upgrade Kubernetes clusters in place and live to tell the tale. How that goes in practice. - [Zabbix vs Checkmk vs Prometheus: Lightweight Monitoring](https://www.mrplanb.com/blog/zabbix-vs-checkmk-prometheus-lightweight-monitoring) - Zabbix vs Checkmk vs Prometheus, tested for lightweight monitoring: setup effort, auto-discovery, and which tool actually fits a small team's stack. - [Kubernetes Docs: Surprisingly Good or Just the Best of a Bad Bunch?](https://www.mrplanb.com/blog/kubernetes-docs-good-or-least-terrible) - Why engineers praise the official Kubernetes docs and cheat sheet, where they fall short under pressure, and how they compare with AWS, Cisco and Oracle. - [Maintainers, Martyrs and Myths: The Labor Economy of Kubernetes](https://www.mrplanb.com/blog/maintainers-martyrs-myths-kubernetes-labor) - Kubernetes and the libraries under it run on unpaid volunteers, thin corporate funding and burnout. A look at that labor model and how to fund it fairly. - [CUE, Kyaml, and the Battle to Fix YAML: Devs Are Over It](https://www.mrplanb.com/blog/cue-kyaml-battle-fix-yaml) - Engineers are tired of brittle YAML. How CUE, Kyaml, Jsonnet, Dhall and KDL try to add validation, structure and modularity to configuration. - [Getting Started with Proxmox VE 8](https://www.mrplanb.com/blog/getting-started-proxmox) - A comprehensive guide to installing and configuring Proxmox Virtual Environment for your homelab. - [Setting Up a Kubernetes Cluster in Your Homelab](https://www.mrplanb.com/blog/kubernetes-homelab-setup) - Learn how to deploy a production-grade K3s cluster on Proxmox with high availability. - [ZFS Configuration Guide for Optimal Performance](https://www.mrplanb.com/blog/zfs-configuration-guide) - Master ZFS pool creation, tuning, and best practices for data integrity and speed. ## Blog Posts (DE) - [Rechenzentrumskühlung: Kann Abwärme Strom ersetzen?](https://www.mrplanb.com/de/blog/electricity-free-datacenter-cooling) - Ein Prototyp von 2026 treibt Festkörperkühlung mit Abwärme an, doch 4,0 K auf Geräteebene sind noch weit vom Einsatz im Rechenzentrum entfernt. - [KI-Cybersicherheit: Was über 100 Unternehmen jetzt fordern](https://www.mrplanb.com/de/blog/ai-cybersecurity-100-companies) - OpenAI und über 100 Unterzeichner warnen vor schnell wachsenden KI-Angriffen und fordern stärkere Zugriffskontrollen, Patching, Tests und Abwehr-Tools. - [Ceph-19.2.6-Upgrade: PG-Anzahl prüfen, bevor Sie starten](https://www.mrplanb.com/de/blog/ceph-19-2-6-upgrade-check-pg-counts-before-you-start) - Ceph Squid 19.2.6 ist ein lohnendes Sicherheitsupdate, doch einen großen Cluster sollten Sie vorher prüfen, statt erst zu patchen und dann zu suchen. - [OpenZFS Offline-Dedup: Ist ZFS-Dedup endlich praxistauglich?](https://www.mrplanb.com/de/blog/openzfs-offline-dedup-is-zfs-dedup-finally-practical) - OpenZFS kann vorhandene Dateien unter Linux jetzt praxistauglich deduplizieren: Upstream implementiert FIDEDUPERANGE mit ZFS Block Cloning. - [Proxmox VE 8 EOL: Jetzt auf Proxmox VE 9 upgraden?](https://www.mrplanb.com/de/blog/proxmox-ve-8-eol-upgrade-to-proxmox-ve-9) - Proxmox VE 8 erreicht im August 2026 das Supportende. Systeme auf 8.x sollten jetzt ein Upgrade-Fenster für Proxmox VE 9 eingeplant haben. - [VDI-Alternativen nach Preisänderungen bei Citrix und VMware](https://www.mrplanb.com/de/blog/vdi-alternatives-after-citrix-and-vmware-price-changes) - Welche VDI-Alternative Sie vor der nächsten Citrix- oder VMware-Verlängerung testen sollten, und warum nicht jede unterm Strich günstiger ist. - [NetBackup 10.5 schlägt nach Nutanix-AOS-7.5-Upgrade fehl](https://www.mrplanb.com/de/blog/netbackup-105-nutanix-aos-75-compatibility) - Sichert NetBackup 10.5.0.1 nach dem Upgrade auf AOS 7.5 keine Nutanix-AHV-VMs mehr, prüfen Sie vor Zugangsdaten und Ports die Kompatibilität. - [NetBackup-11-Installation schlägt mit Domänenkonten fehl](https://www.mrplanb.com/de/blog/netbackup-11-install-domain-account) - Meldet NetBackup 11 unter Windows ein fehlendes Web-Service-Konto, prüfen Sie die Kontoanforderungen, bevor Sie Active Directory verdächtigen. - [NetBackup-11-Web-UI-Fehler und RBAC-Fehlschläge](https://www.mrplanb.com/de/blog/netbackup-11-web-ui-errors-rbac) - NetBackup 11 Web UI: So trennen Sie „System error occurred" nach einem Upgrade von RBAC-Autorisierungsfehlern und prüfen Rollen, Identität und Logs. - [NetBackup-5240-Support beendet: Was jetzt zu tun ist](https://www.mrplanb.com/de/blog/netbackup-5240-support-end-of-support) - Der Support für die NetBackup 5240 endete am 31. Oktober 2025. Was Drittanbieter-Wartung abdeckt, was nicht, und wie Sie die Media-Server-Rolle ablösen. - [NetBackup Alta View Reporting: Fehlende Backups finden](https://www.mrplanb.com/de/blog/netbackup-alta-view-reporting) - Für einen Report wie „Server ohne vollständiges Backup seit sieben Tagen“ brauchen Sie kein neues System: NetBackup bringt passende Report-Vorlagen mit. - [NetBackup-Fehlschläge: Sind 100 % Erfolgsquote realistisch?](https://www.mrplanb.com/de/blog/netbackup-backup-failures-100-percent-success) - Warum 98 % Backup-Erfolg bei 9.000 NetBackup-Jobs reichen können und welche Kennzahlen und Restore-Tests mehr über Wiederherstellbarkeit sagen. - [NetBackup-Konsole auf CyberArk PAM: So binden Sie sie an](https://www.mrplanb.com/de/blog/netbackup-cyberark-pam-console-onboarding) - Soll die NetBackup-Windows-Konsole über CyberArk Privileged Session Manager laufen, ist das eine Frage der Integration einer Desktop-Anwendung. - [NetBackup-FETB-Lizenz: Warum die Kapazität zu hoch wirkt](https://www.mrplanb.com/de/blog/netbackup-fetb-licensing-capacity-too-high) - NetBackup-FETB zu hoch: wie FETB Plus virtuelle Workloads zählt, warum VM-Backups nicht automatisch helfen und wo nbdeployutil doppelt zählen kann. - [NetBackup: GitHub- und Nexus-Backups konsistent machen](https://www.mrplanb.com/de/blog/netbackup-github-nexus-consistent-backup) - Sichert NetBackup GitHub-Dienste und Nexus nur per VM-Backup, fehlt die Anwendungskonsistenz. Die Lösung ist eine anwendungsbewusste Schicht. - [NetBackup Hyper-V-Fehler 156: Snapshot-Fehler beheben](https://www.mrplanb.com/de/blog/netbackup-hyper-v-error-156-snapshot-failures) - NetBackup-Status 156 bei Hyper-V: mögliche Ursachen, nicht konsolidierte AVHDX-Disks, Service-Account-Passwörter und Reparatur einer ganzen VM-Flotte. - [NetBackup-MongoDB-Fehler 6601, 6625, 6654](https://www.mrplanb.com/de/blog/netbackup-mongodb-errors-6601-6625-6654) - NetBackup-MongoDB-Status 6601, 6625 und 6654: Host-Anmeldedaten, tpconfig, Hostnamen und Host User prüfen, statt MongoDB-Sicherheit abzuschalten. - [NetBackup MySQL Status 6: Den fehlenden Library-Pfad beheben](https://www.mrplanb.com/de/blog/netbackup-mysql-status-6-library-path) - Endet ein NetBackup-MySQL-Backup mit Status 6 und meldet „MySQL library path is not present“, prüfen Sie zuerst die MySQL-Client-Library. - [NetBackup auf OpenShift mit Argo CD: Was Sie brauchen](https://www.mrplanb.com/de/blog/netbackup-openshift-argocd-operator) - Argo CD kann den NetBackup-Kubernetes-Operator auf OpenShift ausrollen, denn es rendert Helm-Charts deklarativ und NetBackup dokumentiert den Helm-Weg. - [NetBackup SAN Transport schlägt bei NVMe over FC fehl](https://www.mrplanb.com/de/blog/netbackup-san-transport-nvme-over-fc) - Sieht ein RHEL-Medienserver einen NVMe-over-FC-Datastore, heißt das nicht, dass NetBackup SAN Transport darüber VMware-Snapshot-Disks öffnen kann. - [NetBackup-Smartcard-Anmeldung: Was Sie prüfen sollten](https://www.mrplanb.com/de/blog/netbackup-smartcard-authentication-troubleshooting) - Funktioniert die NetBackup-Anmeldung per LDAP, aber nicht per Smartcard, prüfen Sie den Zertifikatspfad, statt zuerst LDAP neu aufzubauen. - [NetBackup-SQL-Restore: „Partially Successful“ beheben](https://www.mrplanb.com/de/blog/netbackup-sql-restore-partially-successful-logs) - Ein NetBackup-Restore für SQL Server kann „partially successful“ melden, obwohl Datenbankdateien und Logs am erwarteten Ort liegen. - [NetBackup-Tape-Restore: Alte Medien prüfen und zurückholen](https://www.mrplanb.com/de/blog/netbackup-tape-restore-verify-old-media) - NetBackup-Tape-Fehlersuche hat zwei Aufgaben: belegen, dass eine Datei im Backup-Image steht, und dass sich altes Medium noch wiederherstellen lässt. - [NetBackup VM-Backup vs. Datenbank-Backup](https://www.mrplanb.com/de/blog/netbackup-vm-backup-vs-database-backup) - NetBackup-VM-Backup und Datenbank-Backup lösen verschiedene Wiederherstellungsprobleme. Die Wahl hängt davon ab, was Sie wiederherstellen müssen. - [LockBit 5.0 ist zurück in Europas Ransomware-Top-Fünf](https://www.mrplanb.com/de/blog/lockbit-5-europe-ransomware-resurgence) - LockBit 5.0 zählt 2026 wieder zu den fünf aktivsten Ransomware-Gruppen Europas. Was das Comeback nach Operation Cronos für Backup und Recovery bedeutet. - [SharePoint CVE-2026-45659 ist jetzt ein Ransomware-Risiko](https://www.mrplanb.com/de/blog/sharepoint-cve-2026-45659-ransomware-response) - CVE-2026-45659 in SharePoint wird für Ransomware genutzt. Was Patchen leistet, was nicht, und was Backup-Teams jetzt prüfen sollten. - [Shell prüft Clops Behauptung eines 89-GB-Datendiebstahls](https://www.mrplanb.com/de/blog/shell-clop-89gb-data-theft-claim) - Shell hat bestätigt, dass ein möglicher Sicherheitsvorfall untersucht wird, nachdem die Clop-Gruppe behauptet hat, 89 GB an Daten gestohlen zu haben. - [Trezor-Datenpanne legt 13.689 Kundendatensätze offen](https://www.mrplanb.com/de/blog/trezor-shipmonk-breach-13689-customers) - ShipMonk-Datenpanne bei Trezor: was bei 13.689 Kunden offenlag, warum die Wallets laut Trezor sicher sind und wie sich Betroffene vor Phishing schützen. - [Windows Update kann eine Proxmox-VM auf AMD EPYC lahmlegen](https://www.mrplanb.com/de/blog/windows-update-proxmox-amd-epyc-boot-failure) - Nach einem Windows Update im August 2026 bootete eine Windows-Server-2019-VM mit -cpu host,-hypervisor auf AMD EPYC unter Proxmox nicht mehr. - [Kann Proxmox Windows 365 für kleine Unternehmen ersetzen?](https://www.mrplanb.com/de/blog/can-proxmox-replace-windows-365-small-business) - Proxmox kann die Compute-Schicht eines Windows-365-Cloud-PCs ersetzen. Lizenzen, Remote-Zugriff, Backups und Verfügbarkeit bleiben dann Ihre Aufgabe. - [Proxmox GitOps: 5 Wege, Ihren Cluster zu automatisieren](https://www.mrplanb.com/de/blog/proxmox-gitops-5-ways-to-automate-cluster) - Proxmox GitOps: Git hält den Soll-Zustand, Automatisierung wendet vorhersehbare Änderungen an, und riskante Schritte bleiben in Menschenhand. - [Proxmox-HA-Fehler: 10 Failover-Probleme vermeiden](https://www.mrplanb.com/de/blog/proxmox-ha-mistakes-10-failover-problems) - Proxmox HA scheitert, wenn das Design das Failover nicht trägt: Quorum, Storage-Zugriff, Fencing, Placement-Regeln, Kapazität und ungetestete Recovery. - [Proxmox-Storage: ZFS vs. Ceph vs. LVM Thin vs. RAID](https://www.mrplanb.com/de/blog/proxmox-storage-zfs-vs-ceph-vs-lvm-thin-vs-raid) - Für die meisten Proxmox-Einzelnodes: ZFS für lokale Redundanz und Snapshots, LVM Thin für einfachen Block-Storage. Wann Ceph und Hardware-RAID passen. - [10 Proxmox-VE-9-Tools, die 2026 einen Blick wert sind](https://www.mrplanb.com/de/blog/proxmox-ve-9-tools-worth-trying-2026) - Zehn Proxmox-VE-9-Tools für 2026, von Terraform, OpenTofu und Ansible bis cv4pve-report und pvetui, und womit ich anfangen würde. - [Langsame Proxmox-Restores: Diese 8 Engpässe prüfen](https://www.mrplanb.com/de/blog/slow-proxmox-restores-8-bottlenecks) - Wo Proxmox-Restores wirklich ausbremsen: Repository, Worker, Netzwerkpfad und Ziel-Storage messen, bevor Sie an Einstellungen drehen. - [Windows Server 2025 auf Proxmox VE 9.2: Langsame VMs beheben](https://www.mrplanb.com/de/blog/windows-server-2025-proxmox-ve-9-2-slow-vm-fixes) - Windows Server 2025 auf Proxmox VE 9.2 träge, 2022 flott? Prüfen Sie Treiber, CPU-Typ, Storage und Energieplan gegen eine Kontroll-VM. - [XCP-ng 8.3 vs. Proxmox VE 9: Was ist besser?](https://www.mrplanb.com/de/blog/xcp-ng-8-3-vs-proxmox-ve-9) - Proxmox VE 9 ist die bessere Standardwahl für integrierte KVM-Virtualisierung, LXC, ZFS und natives Ceph in einer Plattform. Wann XCP-ng 8.3 passt. - [DayOne beantragt vertraulich US-IPO über 5 Mrd. Dollar](https://www.mrplanb.com/de/blog/dayone-5b-us-ipo) - DayOne Data Centers hat laut Bloomberg vom 11. August 2026 vertraulich einen US-Börsengang beantragt, der rund 5 Milliarden US-Dollar einbringen könnte. - [USA und Südkorea warnen vor Gunra-Ransomware](https://www.mrplanb.com/de/blog/gunra-ransomware-us-korea-warning) - CISA, FBI und Südkoreas Polizei warnen vor Gunra: Ransomware-as-a-Service mit Double Extortion, die Fortinet-Lücken ausnutzt. Was das fürs Backup heißt. - [OpenAI sucht einen Power Trading Lead für Rechenzentren](https://www.mrplanb.com/de/blog/openai-power-trading-data-centers) - OpenAI sucht einen Power Trading Lead, der das Commodity-Hedging über das wachsende Strom-Portfolio seiner Rechenzentren steuert. - [CISA: SharePoint-Lücke CVE-2026-45659 für Ransomware genutzt](https://www.mrplanb.com/de/blog/sharepoint-cve-2026-45659-ransomware) - CISA stuft die Microsoft-SharePoint-Lücke CVE-2026-45659 als in Ransomware-Angriffen ausgenutzt ein, berichtete BleepingComputer am 11. August 2026. - [KI-Agenten auf Kubernetes: Was kagent und OpenChoreo zeigen](https://www.mrplanb.com/de/blog/ai-agents-kubernetes-kagent-openchoreo) - Was kagent und OpenChoreo über KI-Agenten auf Kubernetes zeigen: Berechtigungen, Plattform-Abstraktionen, Managed vs. Bare Metal und sichere Einführung. - [KI-Homelab mit Proxmox, Kubernetes, 200 Gb und Ceph](https://www.mrplanb.com/de/blog/ai-homelab-proxmox-kubernetes-200gb-ceph) - Ein Reddit-Homelab mit drei Proxmox-Hosts, 192 GB DDR5, vier ASUS GX10 als Kubernetes-Nodes, 512 GB VRAM und 200 Gb Netz: Lehren für KI-Infrastruktur. - [DeadLock-Ransomware: Was Backup-Teams jetzt lernen sollten](https://www.mrplanb.com/de/blog/deadlock-ransomware-backup-recovery) - Microsofts DeadLock-Analyse vom 10. August 2026: Ransomware mit Rust-Encryptor und dezentraler Infrastruktur für Verhandlung und Datenleaks. - [Proxmox und WHMCS: Hosting-Automatisierung wird ernst](https://www.mrplanb.com/de/blog/proxmox-hosting-automation-whmcs) - ModulesGarden ist nun Proxmox Solution Provider: ein Signal, wie wichtig VPS-Bereitstellung, Abrechnung und Automatisierung über dem Hypervisor werden. - [Kann Proxmox das ultimative Infrastruktur-Lernlabor sein?](https://www.mrplanb.com/de/blog/proxmox-ultimate-learning-lab) - Wie Sie Proxmox als Lernlabor nutzen: Wegwerf-VMs, eigene Netzwerke, Storage-Ausfälle, Automatisierung, Kubernetes und Backups zum Üben. - [Veeam-Support: Wenn sechs Monate zu lang sind](https://www.mrplanb.com/de/blog/veeam-support-six-months-too-long) - Veeam-Support-Fall ohne Lösung nach sechs Monaten: S3- und SOBR-Fehler, Registry-Änderungen, Eskalation und wann sich ein Alternativtest lohnt. - [Infrastruktur-Monitoring in natürlicher Sprache abfragen](https://www.mrplanb.com/de/blog/natural-language-query-infrastructure-monitoring-operations-data) - Natürliche Sprache als Frontend für Betriebsdaten: Operator-Fragen werden zu Abfragen über Metriken, Inventar, Alarme und Beziehungen, mit Quellenangabe. - [Niedrige GPU-Auslastung: Compute, Netz, Storage oder Daten?](https://www.mrplanb.com/de/blog/why-is-gpu-utilization-low) - So finden Sie heraus, ob niedrige GPU-Auslastung an Compute, Netzwerk, Storage, Data Loading oder am Scheduler liegt. - [Netzwerk- und Anwendungstopologie: Business-Impact erkennen](https://www.mrplanb.com/de/blog/network-topology-application-topology-business-impact-infrastructure-failures) - Netzwerk- und Anwendungstopologie zeigen, wie eine ausgefallene Komponente mit Workloads, Anwendungen und Geschäftsdiensten verbunden ist. - [Dedizierte Leitungen zwischen Rechenzentren verwalten](https://www.mrplanb.com/de/blog/manage-dedicated-circuits-private-network-links-between-data-centers) - Dedizierte Leitungen zwischen Rechenzentren verwalten: Inventar, Servicequalität, Topologie, Verträge, Failover, Alarme und Kosten in einer Ansicht. - [Remote-KVM und Out-of-Band: Weniger Wege ins Rechenzentrum](https://www.mrplanb.com/de/blog/remote-kvm-out-of-band-control-reduce-data-center-visits) - Remote-KVM und Out-of-Band-Zugriff über den BMC erreichen Server auch bei hängendem OS oder ausgefallenem Netz und sparen viele Wege ins Rechenzentrum. - [GPU-Infrastruktur sicher zwischen Teams und Mandanten teilen](https://www.mrplanb.com/de/blog/securely-share-expensive-gpu-infrastructure-multiple-teams-tenants) - Teams und Mandanten teilen GPU-Infrastruktur sicher, wenn Identität, Rechte, Ressourcenanspruch, Platzierung, Metering und Audit getrennt sind. - [Veeam-Jobs: Gesperrte Dateien und hängende Checkpoints](https://www.mrplanb.com/de/blog/veeam-locked-files-checkpoint-failures) - Gesperrte Backup-Dateien und fehlgeschlagene Hyper-V-Checkpoint-Bereinigung können aus einem Veeam-Problem mehrere hängende Jobs machen. - [CMDB vs. DCIM vs. ITOM vs. AIOps vs. Cloud-Management](https://www.mrplanb.com/de/blog/difference-cmdb-dcim-itom-aiops-cloud-management-platforms) - CMDB, DCIM, ITOM, AIOps und Cloud-Management-Plattformen lösen unterschiedliche Teile des Infrastrukturbetriebs-Problems. - [Veeam Failover-Cluster-Kopien: Die Falle doppelter Daten](https://www.mrplanb.com/de/blog/veeam-failover-cluster-backup-copy-duplication) - Veeam-Backup-Kopien von Failover-Clustern: ein Veeam-12-Bericht über doppelt kopierten Shared Storage, das Verhalten in Veeam 13 und passende Tests. - [Enterprise-RAG: Chunking, Vektoren und Retrieval-Tests](https://www.mrplanb.com/de/blog/rag-enterprise-knowledge-bases-chunking-vectorization-retrieval-testing) - Enterprise-RAG verwaltet Wissen als eigenes Asset, zerlegt und vektorisiert es und testet das Retrieval direkt, denn dort liegen oft die Fehler. - [Server-Garantien, Wartungsverträge und Ersatzteile verwalten](https://www.mrplanb.com/de/blog/manage-server-warranties-maintenance-contracts-vendors-spare-parts) - Server-Garantien, Wartungsverträge, Hersteller und Ersatzteile lassen sich in einem System verwalten, wenn alle an derselben Asset-Identität hängen. - [Was ist ein KI-Rechenzentrum? Die Unterschiede erklärt](https://www.mrplanb.com/de/blog/what-is-an-ai-data-center) - Was ein KI-Rechenzentrum ausmacht: Beschleuniger, Netzwerk, Storage, Strom, Kühlung, Scheduling und die Kennzahlen, die dort zählen. - [In-Band- vs. Out-of-Band-Monitoring: Die Unterschiede](https://www.mrplanb.com/de/blog/in-band-vs-out-of-band-monitoring) - In-Band-Monitoring sieht OS und Software-Stack, Out-of-Band sieht Hardware über einen eigenen Controller. Für volle Sichtbarkeit braucht man beides. - [Viele Infrastruktur-Alarme zu einem Incident korrelieren](https://www.mrplanb.com/de/blog/correlate-raw-infrastructure-alarms-single-actionable-incident) - Alarme mit gleichem Objekt, Zeitraum oder Abhängigkeitspfad werden gruppiert. Topologie und Reihenfolge trennen dann Ursachen von Folgesymptomen. - [Was ist Out-of-Band-Management? BMC, Redfish und IPMI](https://www.mrplanb.com/de/blog/what-is-out-of-band-management) - Was ist Out-of-Band-Management? Wie der BMC Server über Redfish oder IPMI unabhängig vom Betriebssystem überwacht und steuert, und wann es sich lohnt. - [GPU-Resource-Pooling und -Scheduling in Kubernetes](https://www.mrplanb.com/de/blog/gpu-resource-pooling-kubernetes) - GPU-Pooling in Kubernetes macht physische Beschleuniger zu verwalteter Kapazität, die Workloads per Richtlinie anfordern, statt Server manuell zu wählen. - [Veeam als Bloatware? Warum Admins es schwerer finden](https://www.mrplanb.com/de/blog/veeam-bloatware-complexity-ui-website) - Veeam bleibt ein fähiges Backup-Produkt, doch mehrere Admin-Diskussionen zeigen ein wachsendes Komplexitätsproblem rund um Produkt, UI und Website. - [Self-Service-Infrastruktur mit Governance und Freigaben](https://www.mrplanb.com/de/blog/self-service-infrastructure-governance-approval-controls) - Nutzer fordern genehmigte Ressourcentypen und Parameter an, die Plattform setzt Kontingente, Berechtigungen, Freigaberegeln, Richtlinien und Audit durch. - [Veeam-Sicherheit: 9,9-CVEs und offengelegte Backup-Server](https://www.mrplanb.com/de/blog/veeam-security-cves-exposed-backup-servers) - Veeam-Sicherheitslücken 2026 zeigen: Den Backup-Server zu patchen ist nötig, entscheidet aber allein nicht, ob die Backup-Umgebung sicher ist. - [Wie man Multi-Vendor-GPUs und -NPUs verwaltet](https://www.mrplanb.com/de/blog/manage-multi-vendor-gpu-npu) - GPUs und NPUs mehrerer Hersteller verwaltet man in Schichten: Erkennung, Normalisierung des Zustands, Ressourcenabstraktion, Scheduling und Telemetrie. - [Veeam-Restore-Fehler: Wie Dev die Produktion traf](https://www.mrplanb.com/de/blog/veeam-restore-mistake-hit-production) - Ein Veeam-Restore für Dev traf die Produktion, weil ein einziger Hosts-Eintrag den Dev-Datenbanknamen auf die Produktions-IP zeigen ließ. - [Infrastrukturkosten nach Projekt, App und Kunde zuordnen](https://www.mrplanb.com/de/blog/track-infrastructure-costs-departments-projects-applications-customers) - Infrastrukturkosten lassen sich zuordnen, wenn Ressourcen stabile Eigentümer haben und CMDB-Beziehungen sie auf Abteilung, Anwendung oder Kunde bündeln. - [GPU-Zustand überwachen: ECC, Temperatur, degradierte Karten](https://www.mrplanb.com/de/blog/monitor-gpu-health-ecc-temperature-power-degraded-cards) - GPU-Zustand pro Karte überwachen und Hardware-Fehler, Temperatur, Strom, Auslastung, Resets und Workload-Verhalten zu einem Zustandsbild vereinen. - [Business-Anwendungen auf Server und Container abbilden](https://www.mrplanb.com/de/blog/map-business-applications-servers-containers-databases-network-storage) - Business-Anwendungen auf Server, Container, Datenbanken, Netzwerk und Storage abbilden: Mehrere Beziehungsquellen ergeben einen Service-Graphen. - [CDU und Flüssigkühlkreislauf: Was Sie überwachen sollten](https://www.mrplanb.com/de/blog/what-to-monitor-cdu-liquid-cooling-loop-distribution-branch) - Welche Signale CDU, Kühlkreislauf und Verteilerzweig liefern müssen: Temperatur, Durchfluss, Druck, Lecks, Erfassungsgesundheit und Rack-Bezug. - [Toil-Reduktion in SRE und Infrastrukturbetrieb messen](https://www.mrplanb.com/de/blog/measure-toil-reduction-sre-infrastructure-operations) - Toil beziffern: Häufigkeit, manuelle Minuten, Eingriffe, Ausnahmeaufwand und die Leitplanken MTTR, SLO und Error-Budget. - [Showback vs. Chargeback für IT- und KI-Infrastrukturkosten](https://www.mrplanb.com/de/blog/showback-versus-chargeback-it-ai-infrastructure-cost-management) - Showback zeigt Kosten dem verursachenden Team, Projekt oder Dienst, Chargeback verrechnet sie. So steuern Verantwortliche IT- und KI-Ausgaben. - [Kosten und Auslastung von GPU-Modellen vergleichen](https://www.mrplanb.com/de/blog/compare-cost-utilization-gpu-accelerator-models) - Vergleichen Sie GPU- oder Beschleunigermodelle für dieselbe Workload-Klasse nach Kosten, Auslastung, Leistungsaufnahme, Output und Zuverlässigkeit. - [Veeam S3 und SOBR: Warum Tiering-Jobs scheitern](https://www.mrplanb.com/de/blog/veeam-s3-sobr-tiering-failures) - Warum Veeam-S3- und SOBR-Tiering trotz 900 MB/s scheitert und wie Sie Netzwerk, Objektspeicher und Veeam Schicht für Schicht isolieren. - [KI-Agenten verwalten: Workflows, Routing und Kollaboration](https://www.mrplanb.com/de/blog/manage-ai-agents-workflows-intent-routing-multi-agent-collaboration) - Unternehmen verwalten KI-Agenten als betriebene Services mit Inventar, Versionen, Status, Workflows, Aufruf-Statistiken, Routing-Regeln und Feedback. - [Rechenressourcen anfordern ohne manuelle Provisionierung](https://www.mrplanb.com/de/blog/developers-request-compute-without-manual-provisioning) - Entwickler reichen eine genehmigte Ressourcenspezifikation ein. Der Workflow prüft das Kontingent, plant Ressourcen ein und protokolliert die Nutzung. - [Hardware überwachen, wenn OS oder Produktionsnetz ausfallen](https://www.mrplanb.com/de/blog/monitor-hardware-without-operating-system-production-network) - Fallen Betriebssystem oder Produktionsnetz aus, bleibt Hardware über einen unabhängigen Out-of-Band-Pfad via BMC oder Management-Controller sichtbar. - [Error Budgets: Wann Releases, wann Reliability-Arbeit?](https://www.mrplanb.com/de/blog/error-budgets-releases-prioritize-reliability-work) - Error Budgets als Release-Gate: gleitendes 30-Tage-Fenster, Fast und Slow Burn, Freeze-Schwelle und wie Teams Reliability-Arbeit priorisieren. - [Veeam-UI-Bug: Wenn ein IP-Feld die Migration blockiert](https://www.mrplanb.com/de/blog/veeam-static-ip-ui-bug-migration) - Ein Veeam-IPv4-Feld blockierte eine Migration, DHCP lief. Was V13 offiziell an Netzwerkpfaden bietet und wie Sie das Problem sauber eingrenzen. - [KI-Assistenten im IT-Betrieb: Alarme, Runbooks, Tickets](https://www.mrplanb.com/de/blog/ai-assistants-alarms-work-orders-runbooks-infrastructure-documents-it-operations) - Wie ein AI-Assistent Alarme, Arbeitsaufträge, Runbooks und Architekturdokumente mit Live-Monitoring verbindet, ohne Änderungen selbst auszuführen. - [Veeam-V13-Upgrade: Warum die Migration kompliziert wird](https://www.mrplanb.com/de/blog/veeam-v13-upgrade-migration-problems) - Bestandskunden können seit August 2026 auf Veeam V13 upgraden. Warum der Übergang verwirrte und was Sie vor Patch, Upgrade und Migration prüfen sollten. - [BMC-Konfiguration herstellerübergreifend sicher verwalten](https://www.mrplanb.com/de/blog/manage-bmc-configuration-multi-vendor-servers) - BMC-Konfiguration lässt sich über Server verschiedener Hersteller sicher verwalten, wenn Richtlinie und herstellerspezifische Umsetzung getrennt sind. - [GPU-Quotas, Reservierung, Priorität, Preemption: Wann was?](https://www.mrplanb.com/de/blog/gpu-quotas-reservations-priorities-preemption-when-to-use) - Wie sich GPU-Quotas, Reservierungen, Prioritäten und Preemption unterscheiden, wie sie zusammenspielen und wann Sie welche Kontrolle einsetzen. - [Alarmmüdigkeit senken, ohne kritische Vorfälle zu verpassen](https://www.mrplanb.com/de/blog/reduce-alert-fatigue-without-missing-critical-infrastructure-incidents) - So senken Teams Alarmrauschen mit Gruppierung, Topologie-Unterdrückung und geschützten kritischen Alarmen, ohne Beweise zu verlieren. - [Veeam Immutable Backups: Wie viel Vertrauen ist berechtigt?](https://www.mrplanb.com/de/blog/veeam-immutable-backups-trust) - Unveränderliche Veeam-Backups verdienen als Schutzebene gegen Ransomware viel Vertrauen, sind aber keine unangreifbare letzte Kopie. - [Wie Canary-Rollouts Risiken im Infrastrukturbetrieb senken](https://www.mrplanb.com/de/blog/canary-rollout-infrastructure-operations-reduce-risk) - Ein Canary-Rollout wendet neue Versionen oder Konfigurationen erst auf eine kleine, repräsentative Teilmenge an, bevor sie breit ausgerollt werden. - [Veeam-Preise: Warum KMU-Verlängerungen so stark steigen](https://www.mrplanb.com/de/blog/veeam-pricing-smb-renewal-nas-licensing) - Veeam-Preise können drastisch steigen, wenn ein KMU von einem älteren socket-basierten Kauf in ein anderes Workload- oder Kapazitätsmodell wechselt. - [Kapazitätsprognose: Compute, Storage, Netz, Strom, Kühlung](https://www.mrplanb.com/de/blog/forecast-compute-storage-network-power-cooling-capacity) - Compute, Storage, Netz, Strom und Kühlung getrennt messen, Wachstum und Reservierungen einrechnen und erkennen, welche Ressource zuerst ans Limit kommt. - [IT-Wissensdatenbank aus Tickets, Alarmen und Runbooks bauen](https://www.mrplanb.com/de/blog/build-it-operations-knowledge-base-incidents-alarms-runbooks-postmortems) - Incidents, Alarme, Runbooks und Postmortems werden zu verwalteten Wissensobjekten mit Metadaten, Review-Status, Rechten und Suche. - [Mit Hoch- und Niedertarif Infrastrukturkosten senken](https://www.mrplanb.com/de/blog/peak-off-peak-electricity-pricing-reduce-infrastructure-costs) - Welche Workloads sich in Niedertarifzeiten verschieben lassen und wie man Einsparung, Kapazität, Deadlines und Leerlaufleistung dabei berücksichtigt. - [Model Operations: Evaluierung, Fine-Tuning und Deployment](https://www.mrplanb.com/de/blog/model-evaluation-datasets-fine-tuning-deployment-enterprise-model-operations-wor) - Wie Datensatzversionen, Fine-Tuning, Modellevaluierung und Deployment-Templates in einem nachvollziehbaren Model-Operations-Workflow zusammenspielen. - [Wie Automatisierung gefährliche Produktionsbefehle stoppt](https://www.mrplanb.com/de/blog/prevent-dangerous-commands-production-infrastructure-automation) - Automatisierung stoppt gefährliche Befehle vor der Produktion: mit genehmigten Skripten, Blacklists, Freigaben, Canary-Läufen und Rollback. - [7 beste Checkmk-Alternativen 2026 (im Vergleich)](https://www.mrplanb.com/de/blog/checkmk-alternatives) - Checkmk-Alternativen 2026: Zabbix für Flexibilität, Prometheus für Kubernetes, LibreNMS fürs Netzwerk. Welche passt, wenn Checkmk nicht passt? - [Begrenzt QEMU die VM-Performance unter Proxmox?](https://www.mrplanb.com/de/blog/does-qemu-limit-proxmox-virtual-machine-performance) - QEMU fügt jeder virtuellen Maschine unter Proxmox etwas Overhead hinzu, ist aber selten der Hauptgrund für eine schlecht performende Workload. - [6 beste LibreNMS-Alternativen 2026 im Vergleich](https://www.mrplanb.com/de/blog/librenms-alternatives) - LibreNMS-Alternativen 2026: Zabbix für mehr Funktionen, Checkmk für Auto-Discovery, PRTG für Windows-Shops und welche LibreNMS wirklich ersetzen. - [LibreNMS vs. Datadog vs. LogicMonitor: Reicht kostenlos?](https://www.mrplanb.com/de/blog/librenms-vs-commercial-monitoring-tools) - LibreNMS vs. Datadog vs. LogicMonitor: Was kommerzielles Netzwerk-Monitoring bringt und wann das kostenlose, selbst gehostete LibreNMS reicht. - [LibreNMS vs. Prometheus 2026: Netzwerk vs. Cloud-native](https://www.mrplanb.com/de/blog/librenms-vs-prometheus) - LibreNMS vs. Prometheus: Auto-Discovery vs. manuelle Exporter, SNMP-Netzwerk-Monitoring vs. Kubernetes-Metriken und welches Tool wofür passt. - [Nginx Proxy Manager vs. Traefik auf Proxmox: Was passt?](https://www.mrplanb.com/de/blog/nginx-proxy-manager-vs-traefik-on-proxmox-which-reverse-proxy-should-you-choose) - Nginx Proxy Manager oder Traefik auf Proxmox? Beide liefern Domainnamen, HTTPS-Zertifikate und einen kontrollierten Weg zu internen Diensten. - [OpenNMS vs. Zabbix 2026: Netzwerk-Monitoring im Vergleich](https://www.mrplanb.com/de/blog/opennms-vs-zabbix) - OpenNMS vs. Zabbix 2026: Provisionierung, Skalierung, Alerting, Community und welches Tool zu Carrier-Netzen oder allgemeiner Infrastruktur passt. - [Pi-hole vs. AdGuard Home auf Proxmox: Welcher DNS-Blocker?](https://www.mrplanb.com/de/blog/pi-hole-vs-adguard-home-on-proxmox-which-dns-blocker-is-better) - Pi-hole und AdGuard Home im Vergleich auf Proxmox: Oberfläche, Blocklisten, verschlüsseltes DNS, DHCP, LXC-Installation, Wartung und Datenschutz. - [Plex vs. Jellyfin auf Proxmox: Welcher Medienserver passt?](https://www.mrplanb.com/de/blog/plex-vs-jellyfin-on-proxmox-which-media-server-is-better) - Plex und Jellyfin auf Proxmox im Vergleich: Bedienung, Hardware-Transcoding, Fernzugriff, Datenschutz, Installation und Backup der beiden Medienserver. - [Prometheus vs. Zabbix 2026: Welches Monitoring-Tool passt?](https://www.mrplanb.com/de/blog/prometheus-vs-zabbix) - Prometheus vs. Zabbix 2026: Pull- vs. Push-Architektur, Kubernetes-Eignung, Alerting und welches Tool zu Ihrer Infrastruktur passt. - [Proxmox-VE-Versionen und Upgrade-Pfade (Stand 9.2)](https://www.mrplanb.com/de/blog/proxmox-ve-version-history-upgrade-paths) - Laufend gepflegte Referenz zu allen Proxmox-VE-Hauptversionen, den Debian-Versionen dahinter und dem richtigen Upgrade-Pfad bis zum aktuellen Release. - [QEMU vs. KVM in Proxmox: Was ist der Unterschied?](https://www.mrplanb.com/de/blog/qemu-vs-kvm-in-proxmox-what-is-the-difference) - QEMU baut die virtuelle Hardware, KVM beschleunigt die CPU und Proxmox verwaltet beides. Wie die drei Schichten zusammenspielen. - [OPNsense in der Produktion auf Proxmox betreiben?](https://www.mrplanb.com/de/blog/should-you-run-opnsense-on-proxmox-in-production) - Wann OPNsense als VM auf Proxmox produktionstauglich ist: Netzwerk-Bridges, Passthrough, Startreihenfolge, CARP-Hochverfügbarkeit und Backups. - [Pi-hole in LXC oder VM auf Proxmox betreiben?](https://www.mrplanb.com/de/blog/should-you-run-pi-hole-in-lxc-or-a-vm-on-proxmox) - LXC oder VM für Pi hole auf Proxmox: Ressourcen, Isolation, Backups, Updates, DHCP und warum ein zweiter DNS-Resolver dazugehört. - [Sollten Sie Plex in LXC oder einer VM auf Proxmox betreiben?](https://www.mrplanb.com/de/blog/should-you-run-plex-in-lxc-or-a-vm-on-proxmox) - Plex in LXC oder VM auf Proxmox: Unterschiede bei Quick Sync, PCI-Passthrough, Isolation, Medien-Storage, Backups und Wartungsaufwand. - [Ubiquiti UniFi Network Application auf Proxmox?](https://www.mrplanb.com/de/blog/should-you-run-the-ubiquiti-unifi-network-application-on-proxmox) - Die UniFi Network Application auf Proxmox verwaltet Access Points, Switches und andere UniFi-Geräte effizient, ganz ohne separaten CloudKey. - [Homelab-Monitoring 2026: Was Anwender wirklich wählen](https://www.mrplanb.com/de/blog/state-of-homelab-monitoring-2026) - Was Homelabber und kleine IT-Teams 2026 wirklich suchen, vergleichen und einsetzen, basierend auf echter Suchnachfrage statt Anbieter-Marketing. - [UniFi Controller vs. CloudKey: UniFi auf Proxmox hosten?](https://www.mrplanb.com/de/blog/unifi-controller-vs-unifi-cloudkey-should-you-host-unifi-on-proxmox) - Ein UniFi-Netz braucht ein Management-System für Access Points, Switches, Statistiken und Richtlinien. Controller auf Proxmox oder CloudKey? - [Zabbix Vor- und Nachteile 2026: Ehrliche Bestandsaufnahme](https://www.mrplanb.com/de/blog/zabbix-pros-and-cons) - Die echten Vor- und Nachteile von Zabbix 2026: was es außergewöhnlich gut kann, wo es schwächelt und wer es wählen sollte und wer nicht. - [Zabbix vs Grafana 2026: Eigentlich keine Konkurrenten](https://www.mrplanb.com/de/blog/zabbix-vs-grafana) - Zabbix vs Grafana erklärt: warum das kein echtes Kopf-an-Kopf-Rennen ist, wie beide zusammenspielen, und wo Checkmk vs Grafana demselben Muster folgt. - [Incident-Postmortems automatisch aus Alarmen erzeugen](https://www.mrplanb.com/de/blog/automatic-incident-postmortems-alarms-timelines-work-orders-remediation) - Wie ein Incident-System Zeitleiste, Alarme, Work Orders und Behebung während der Reaktion erfasst und daraus in rund 40 Sekunden ein Postmortem entwirft. - [Hot-/Cold-Data-Tiering: Kosten senken, Performance halten](https://www.mrplanb.com/de/blog/hot-cold-data-tiering-storage-cost-performance) - Tiering senkt Speicherkosten: Häufig genutzte, kritische Daten bleiben auf schnellem Speicher, selten genutzte wandern auf günstige Kapazität. - [Automatische, halbautomatische und manuelle Remediation](https://www.mrplanb.com/de/blog/automatic-semi-automatic-manual-remediation-it-operations) - Automatische, halbautomatische und manuelle Remediation unterscheiden sich darin, wer die Wiederherstellung autorisieren und ausführen darf. - [Lüfter, Netzteile, Disks und PCIe zentral überwachen](https://www.mrplanb.com/de/blog/centrally-monitor-server-fans-power-supplies-disks-memory-pcie) - Serverkomponenten lassen sich zentral überwachen, indem BMC-Telemetrie gesammelt, normalisiert und mit Server, Standort und Workload verknüpft wird. - [Rechenzentren automatisieren, ohne Kontrolle zu verlieren](https://www.mrplanb.com/de/blog/automate-data-center-operations-approvals-permissions-rollback-audit) - Welche Rechenzentrumsaufgaben sich sicher automatisieren lassen, und wie Berechtigungen, Genehmigung, Canary, Rollback und Audit dabei greifen. - [SolarWinds-Preiserhöhung 2026: Wofür zahlen wir noch?](https://www.mrplanb.com/de/blog/solarwinds-2026-price-hike-has-customers-asking-the-one-question-vendors-fear-most-why-are-we-still-paying) - Ein Sprung von 7.900 auf 19.936 US-Dollar, Druck zu Dreijahresverträgen und was Kunden im Renewal-Gespräch tatsächlich herausgeholt haben. - [SolarWinds-Kunden wütend: Abo-Wechsel wirkt wie Abzocke](https://www.mrplanb.com/de/blog/solarwinds-customers-are-furious-the-subscription-shift-feels-less-like-progress-and-more-like-a-shakedown) - SolarWinds verdrängt Dauerlizenzen für NPM, NCM und UDT durch Abos. Kunden vergleichen das mit Broadcom: höhere Preise, weniger Spielraum. - [SolarWinds-Renewal-Schock 2026: Die Wut wird laut](https://www.mrplanb.com/de/blog/solarwinds-customers-are-getting-the-2026-renewal-shock-and-the-anger-is-no-longer-quiet) - Ein SolarWinds-Renewal springt 2026 von 7.900 auf 19.936 Dollar: was Dreijahresverträge damit zu tun haben und wie Kunden zurückdrängen. - [SolarWinds' Broadcom-Bluff: Kunden spielen nicht mit](https://www.mrplanb.com/de/blog/solarwinds-thinks-it-can-pull-a-broadcom-but-customers-aren-t-buying-the-bluff) - Warum Kunden den Broadcom-Vergleich ziehen, was PRTG, Zabbix und LogicMonitor an Reibung kosten und wo SolarWinds seine Macht überschätzt. - [Gestrandete Kapazität im Rechenzentrum erkennen](https://www.mrplanb.com/de/blog/detect-stranded-capacity-power-cooling-network-storage-constraints) - Engpässe bei Strom, Kühlung, Netz oder Storage lassen Kapazität stranden. Erkennbar wird das im Vergleich von freier und tatsächlich nutzbarer Kapazität. - [Ist Terraform der beste Weg, Proxmox zu verwalten?](https://www.mrplanb.com/de/blog/is-terraform-the-best-way-to-manage-proxmox-infrastructure) - Wofür Terraform in Proxmox-Umgebungen taugt, wo Provider, State und Gastkonfiguration Grenzen setzen und wie es mit Ansible zusammenspielt. - [OPNsense vs. pfSense auf Proxmox: Welche ist besser?](https://www.mrplanb.com/de/blog/opnsense-vs-pfsense-on-proxmox-which-virtual-firewall-is-better) - OPNsense oder pfSense als VM auf Proxmox? Eine virtuelle Firewall spart Hardware und lässt sich leichter sichern, migrieren und wiederherstellen. - [Portainer vs. Proxmox: Welche Containerverwaltung gewinnt?](https://www.mrplanb.com/de/blog/portainer-vs-proxmox-container-management-which-gives-you-more-control) - Proxmox verwaltet VMs und LXC, Portainer verwaltet Docker- und Kubernetes-Anwendungen. Wo die Grenze liegt und wie beide zusammenarbeiten. - [Portainer in LXC oder VM auf Proxmox betreiben?](https://www.mrplanb.com/de/blog/should-you-run-portainer-in-lxc-or-a-vm-on-proxmox) - Portainer auf Proxmox in LXC oder VM: Isolation, Ressourcenbedarf, Backup und Upgrades im Vergleich, mit einer Empfehlung. - [Traefik auf Proxmox: Docker, LXC oder VM?](https://www.mrplanb.com/de/blog/should-you-run-traefik-in-docker-lxc-or-a-vm-on-proxmox) - Traefik auf Proxmox in Docker, nativ in LXC oder in einer VM: Vor- und Nachteile der drei Varianten und warum meist eine kleine Docker-VM am besten passt. - [Einfacher auf Proxmox: Traefik oder Nginx Proxy Manager?](https://www.mrplanb.com/de/blog/traefik-vs-nginx-proxy-manager-on-proxmox-which-is-easier) - Traefik und Nginx Proxy Manager auf Proxmox im Vergleich: Installation, SSL, Docker-Labels, Fehlersuche, Sicherheit und Backup. - [Proxmox in Docker klingt falsch, und alle schauen hin](https://www.mrplanb.com/de/blog/proxmox-in-docker-sounds-wrong-which-is-exactly-why-everyone-couldn-t-look-away) - Ein Projekt packt Proxmox VE in einen Docker-Container. Die Community reagiert mit Memes, Skepsis und Neugier auf einen leichteren Einstieg. - [Proxmox-Kernel 6.14 aus dem Support: was jetzt zu tun ist](https://www.mrplanb.com/de/blog/proxmox-kernel-6-14-just-got-cut-loose-and-homelab-admins-are-feeling-the-floor-move) - Proxmox hat Kernel 6.14 aus dem Support genommen. Was das für Passthrough, ZFS, NVIDIA-Treiber und die Wahl zwischen 6.8, 6.17 und 7.0 heißt. - [Homelab-Debatte eskaliert: IncusOS traf einen Nerv](https://www.mrplanb.com/de/blog/the-homelab-debate-got-ugly-because-incusos-hit-a-nerve) - Ein IncusOS-Experiment im Homelab wurde zum emotionalen Streit über Vertrauen, Politur und das, was Menschen von ihrem Virtualisierungs-Stack wollen. - [GlusterFS sollte tot sein, dann kam es zurück nach Proxmox](https://www.mrplanb.com/de/blog/glusterfs-was-supposed-to-be-dead-then-someone-dragged-it-back-into-proxmox) - Proxmox 9 hat GlusterFS als Storage-Typ gestrichen. Warum Nutzer nicht loslassen wollten und wie jemand es trotzdem zurück in Proxmox holte. - [Proxmox und TrueNAS: Braucht Proxmox eigenen Storage?](https://www.mrplanb.com/de/blog/proxmox-doesn-t-need-a-truenas-killer-it-needs-a-storage-story-that-makes-sense) - Warum Proxmox-Nutzer eine eigene Storage-Appliance fordern, was sie leisten müsste und wo ZFS, Ceph und TrueNAS heute an Grenzen stoßen. - [Niedliches TMNT-Homelab mit echter Produktionspipeline](https://www.mrplanb.com/de/blog/this-tiny-tmnt-homelab-is-cute-until-you-realize-it-s-a-full-production-pipeline) - Zwei EliteDesk-Minis, Proxmox, k3s, ArgoCD, Longhorn und Cloudflare Tunnel: was dieses TMNT-Homelab über echten Plattformbetrieb lehrt. - [GPU-Fragmentierung beim KI-Workload-Scheduling reduzieren](https://www.mrplanb.com/de/blog/reduce-gpu-fragmentation-ai-workload-scheduling) - GPU-Fragmentierung kann reduziert werden, indem Beschleuniger als strukturierte Ressourcen-Pools statt als flache Kartenanzahl verwaltet werden. - [Ansible vs. Terraform für Proxmox: Was sollten Sie nutzen?](https://www.mrplanb.com/de/blog/ansible-vs-terraform-for-proxmox-automation-which-should-you-use) - Terraform, Ansible oder beides für Proxmox? Ein Vergleich von Provisioning, State, Konfiguration und laufendem Betrieb mit klarer Aufgabenteilung. - [Kann Ansible einen Proxmox-Cluster komplett automatisieren?](https://www.mrplanb.com/de/blog/can-ansible-fully-automate-a-proxmox-cluster) - Ansible automatisiert den Großteil eines Proxmox-Clusters: Node-Vorbereitung, Cluster-Aufbau, VM-Deployment, Storage, Benutzer, Firewall und Backups. - [Proxmox vs. XCP-ng: Welcher Open-Source-Hypervisor passt?](https://www.mrplanb.com/de/blog/proxmox-vs-xcp-ng-which-open-source-hypervisor-is-better) - Proxmox VE oder XCP-ng? Beide sind Open Source, clusterfähig und echte VMware-Alternativen. Die Wahl hängt vom gewünschten Plattformmodell ab. - [VMware-Migration: XCP-ng oder Proxmox wählen?](https://www.mrplanb.com/de/blog/should-you-choose-xcp-ng-or-proxmox-for-a-vmware-migration) - Proxmox VE oder XCP ng nach VMware: Importwerkzeuge, Warm Migration, Ausfallzeiten, Einschränkungen und Betrieb nach der Migration im Vergleich. - [Terraform oder manuell: Was ist bei Proxmox zuverlässiger?](https://www.mrplanb.com/de/blog/terraform-vs-manual-proxmox-deployment-which-is-more-reliable) - Manuelles Proxmox-Deployment gegen Terraform: Konsistenz, State, Drift, Provider-Risiko, API-Tokens und wann welche Methode besser passt. - [Wie eine CMDB Server, GPUs, Container und Owner verbindet](https://www.mrplanb.com/de/blog/cmdb-connect-servers-gpus-containers-applications-services-owners) - Eine CMDB verknüpft Server, GPUs, Container, Anwendungen und Owner: Jedes Element wird ein Configuration Item mit typisierten Beziehungen. - [Asset-Lifecycle von Beschaffung bis Außerbetriebnahme](https://www.mrplanb.com/de/blog/complete-asset-lifecycle-procurement-deployment-maintenance-retirement) - Ein vollständiger Asset-Lifecycle verbindet Beschaffung, Abnahme, Bereitstellung, Monitoring, Wartung und Außerbetriebnahme in einem Datensatz. - [Billige Lenovos plus Raspberry Pi: Ein Homelab-Kaninchenbau](https://www.mrplanb.com/de/blog/a-stack-of-cheap-lenovos-and-a-raspberry-pi-turned-into-the-perfect-homelab-rabbit-hole) - Ein Proxmox-Cluster aus Auktions-Lenovos und einem Raspberry Pi 5: Was der Thread zu HA, CEPH, CloudStack, DNS und Diensten für das Lern-Lab rät. - [Proxmox 8 auf 9 lief so glatt, dass es verdächtig wirkte](https://www.mrplanb.com/de/blog/proxmox-8-to-9-went-so-smoothly-it-made-people-suspicious-of-their-own-anxiety) - Erfahrungen beim In-place-Upgrade von PVE 8.4.19 auf 9.2.3: pve8to9, ein Kernel-Panic, LXC-Hacks und Netzwerkfehler, die erst Tage später kamen. - [Proxmox als Symbol für Europas Kampf um Tech-Souveränität](https://www.mrplanb.com/de/blog/proxmox-became-a-symbol-in-europe-s-messy-fight-to-take-tech-back) - Ein Aufruf, auf goeuropean.org für Proxmox zu stimmen, führte zu Streit über Tracking, Cloudflare, TLS und die Frage, was europäische Tech eigentlich ist. - [Offizielle Proxmox-Mobile-App: Viele haben sie verpasst](https://www.mrplanb.com/de/blog/proxmox-finally-has-an-official-mobile-app-and-half-the-community-somehow-missed-it) - Proxmox VE Companion für iOS und Android: Cluster-Erkennung, Logs, Konsolen und wie die App gegen ProxMate und ProxMobo abschneidet. - [Proxmox-Kernel-Updates nerven, Ignorieren ist schlimmer](https://www.mrplanb.com/de/blog/proxmox-kernel-updates-are-exhausting-but-ignoring-them-feels-even-worse) - Warum Proxmox zuletzt so viele Kernel-Updates brachte, wie Admins mit Update-Müdigkeit umgehen und warum Rollback, Staffelung und Ansible helfen. - [Proxmox Mail Gateway 9.1: Langweilig im besten Sinne](https://www.mrplanb.com/de/blog/proxmox-mail-gateway-9-1-is-a-boring-release-in-the-best-possible-way) - Proxmox Mail Gateway 9.1 bringt Debian 13.5, bessere Quarantäne-Workflows, Bilder auf Abruf und verschlüsselte Backups auf Proxmox Backup Server. - [PVE-Electrified: Proxmox-Mod entfacht UI-Streit](https://www.mrplanb.com/de/blog/pve-electrified-is-the-kind-of-proxmox-mod-that-starts-a-ui-knife-fight) - PVE-Electrified bringt schnellere Status-Updates und Buttons in den Proxmox-Ressourcenbaum. Warum der Mod gefällt, nervt und noch nicht in den Kern gehört. - [GTX 1080 Ti: Viel VRAM, aber die Technik ist weitergezogen](https://www.mrplanb.com/de/blog/the-gtx-1080-ti-still-has-the-vram-but-the-future-has-moved-on-without-it) - GTX 1080 Ti mit 11 GB VRAM oder RTX 2060/2070 für Proxmox-VMs? Ein Blick auf DLSS, Treiber-Support, vGPU-Unlock und AMD als Alternative. - [Virtual OS Museum auf Proxmox: Retro-Himmel mit Netz-Kobold](https://www.mrplanb.com/de/blog/virtual-os-museum-on-proxmox-is-retro-heaven-with-a-network-gremlin-hiding-inside) - Das Virtual OS Museum als Proxmox-VM: VAX/VMS, OS/2 und Windows 2.11 auf dem Hypervisor. Wie die .vdi bootet und wo das Netzwerk hakt. - [Ungenutzte Server und GPUs im Rechenzentrum identifizieren](https://www.mrplanb.com/de/blog/identify-underused-servers-gpus-expensive-infrastructure-resources) - Rechenzentren vergleichen Allokation, Nutzung, Workload-Status, Strom, Bedarf und Servicerolle. Niedrige Auslastung ist nur das erste Signal. - [Standardisierte Service-Kataloge für Infrastruktur und KI](https://www.mrplanb.com/de/blog/standardized-service-catalogs-infrastructure-ai-services) - Service-Kataloge machen wiederholbare Infrastruktur- und KI-Fähigkeiten zu genehmigten Services mit Parametern, Kontingent, Freigabe und Metering. - [Einheitliches Cockpit für Rechenzentrum, Cloud, Netz und KI](https://www.mrplanb.com/de/blog/unified-operations-cockpit-data-centers-cloud-networks-ai-infrastructure) - Fünf Kennzahlengruppen, Knotenstatus, Alarme und Drill-down: wie ein Betriebscockpit aggregiert, ohne eigene Zahlen zu erfinden. - [KI-Infrastrukturkosten messen: GPU-Stunde, Token, Projekt](https://www.mrplanb.com/de/blog/measure-ai-infrastructure-cost-gpu-hour-token-project-tenant-model) - Formeln und Zuordnungsregeln für GPU-Stunden, Kosten pro Token, Leerlaufkosten, Energie und Ownership nach Projekt, Tenant und Modell. - [Auditierbares Change-Management für den Infrastrukturbetrieb](https://www.mrplanb.com/de/blog/auditable-change-management-process-infrastructure-operations) - Auditierbares Change-Management heißt: Jede Infrastrukturänderung folgt einer nachvollziehbaren Kette aus Antrag, Prüfung, Genehmigung und Nachweis. - [Incidents automatisch eskalieren, wenn niemand reagiert](https://www.mrplanb.com/de/blog/automatically-escalate-incidents-engineer-no-response) - IT-Teams eskalieren Incidents automatisch, indem sie jeden Incident an den On-Call-Verantwortlichen knüpfen und bei Timeout weiterreichen. - [Infrastrukturbetrieb: Welche KPIs ins Dashboard gehören](https://www.mrplanb.com/de/blog/infrastructure-operations-dashboard-kpis) - Teams für den Infrastrukturbetrieb sollten KPIs verfolgen, die Angebot, Effizienz, Servicequalität, Kosten und Verbrauch gemeinsam erklären. - [Amazons Wasserzahl wirkt riesig, bis der Streit beginnt](https://www.mrplanb.com/de/blog/amazon-s-water-number-looks-huge-until-the-real-fight-starts) - Amazons Rechenzentren verbrauchten 2,5 Milliarden Gallonen Wasser. Wie die Debatte über Landwirtschaft, lokale Folgen und Vertrauen danach verlief. - [Rechenzentrums-Teams wollen nicht länger der Bösewicht sein](https://www.mrplanb.com/de/blog/data-center-workers-are-getting-tired-of-being-the-internet-s-villain) - Warum Rechenzentrums-Mitarbeiter genug von Verschwörungsposts haben und wie echte Kritik an Steuerdeals, Lärm und Strom darin untergeht. - [Job im Rechenzentrum bekommen: Was nicht im Angebot steht](https://www.mrplanb.com/de/blog/he-got-the-data-center-job-now-comes-the-part-nobody-puts-in-the-offer-letter) - Mit 21 als Vertragsmitarbeiter im Microsoft-Rechenzentrum: was die Community zu Lebenslauf, Contract-to-Hire, Reisen und Verhandlung rät. - [Als RZ-Techniker eingestellt, dann die ganze IT-Abteilung](https://www.mrplanb.com/de/blog/he-was-hired-as-a-data-center-tech-then-they-tried-to-turn-him-into-the-whole-it-department) - Aus einer RZ-Techniker-Stelle wurden Netzwerk, Firewalls, Citrix und Monitoring für 18 Standorte, mit Wochen bis 65 Stunden ohne Überstundengeld. - [KI-Rechenzentrums-Boom wie 1999, nur mit heißeren Chips](https://www.mrplanb.com/de/blog/the-ai-data-center-boom-feels-like-1999-with-hotter-chips-and-a-shorter-fuse) - Der KI-Rechenzentrums-Boom im Vergleich zum Glasfaser-Boom von 1999: Timing, schnell alternde GPUs, Stromhunger und wer nach einem Crash gewinnen könnte. - [Das KI-Rechenzentrumsrennen ist ein Stromrennen geworden](https://www.mrplanb.com/de/blog/the-ai-data-center-race-just-turned-into-a-power-race-and-nobody-looks-ready) - China plant 295 Milliarden Dollar für KI-Rechenzentren. Die Debatte zeigt, wie Strom, Lieferketten und lokaler Widerstand den Ausbau bremsen. - [Die Data-Center-Panik wird laut, seltsam und anstrengend](https://www.mrplanb.com/de/blog/the-data-center-panic-is-getting-loud-weird-and-exhausting) - Warum die Debatte über Rechenzentren entgleist: Edge-Mythen, Datenschutz-Gadgets, unsichtbare Gebäude und die berechtigten Fragen dahinter. - [Data-Center-Panik: Übertrieben, aber die Rechnung kommt](https://www.mrplanb.com/de/blog/the-data-center-panic-is-overblown-but-the-bill-is-still-coming) - Ein Teil der Panik um Rechenzentren ist übertrieben. Ackerland, Stromnetz, Netzschulden und lokale Steuerdeals werfen trotzdem echte Fragen auf. - [Der kostenlose Data-Center-Kurs, den alle gesucht haben](https://www.mrplanb.com/de/blog/the-free-data-center-course-everyone-was-desperate-to-find) - Der kostenlose Data Center Certified Associate-Lernpfad von Schneider Electric: was er abdeckt, wie man ihn findet und wo der Zugang noch hakt. - [Service-Gateway: Automatischer Failover bei Modellausfall](https://www.mrplanb.com/de/blog/service-gateway-automatic-traffic-switch-unhealthy-model-inference-service) - Das Gateway überwacht jeden Modellkanal, nimmt defekte Kanäle aus dem Routing, nutzt einen Fallback, protokolliert den Vorfall und schaltet danach zurück. - [Business Service Management vs. Infrastruktur-Monitoring](https://www.mrplanb.com/de/blog/business-service-management-vs-infrastructure-monitoring) - Was Business Service Management gegenüber Infrastruktur-Monitoring ergänzt: Topologie, Health-Score, SLOs, Ownership und Priorisierung nach Service Impact. - [Hardware-Health-Checks im Rechenzentrum automatisieren](https://www.mrplanb.com/de/blog/automate-hardware-health-inspections-data-center) - Hardware-Checks lassen sich automatisieren, indem Gerätezustände nach Zeitplan erfasst, gegen Regeln bewertet und Ausnahmen gezielt gemeldet werden. - [Configuration Drift erkennen: Ist-Zustand vs. Baseline](https://www.mrplanb.com/de/blog/configuration-drift-current-environment-approved-baseline) - Configuration Drift erkennt, wer pro Asset eine genehmigte Baseline pflegt, den Ist-Zustand laufend erfasst und Abweichungen als Change dokumentiert. - [API-Keys, Rate Limits, Quotas und Fallback für KI-Modelle](https://www.mrplanb.com/de/blog/manage-api-keys-rate-limits-quotas-routing-fallback-ai-model-services) - API-Keys, Rate Limits, Quotas, Routing und Fallback lassen sich am besten zentral an einem einheitlichen Gateway für Modell-Services verwalten. - [SRE-Kennzahlen im KI-Betrieb: MTTD, MTTR, SLO, Burn Rate](https://www.mrplanb.com/de/blog/sre-mttd-mttr-slo-error-budgets-burn-rate-ai-infrastructure) - Wie MTTD, MTTR, SLOs, Error Budgets und Burn Rate für Inferenz, Training und Infrastruktur funktionieren, mit Formeln und Dashboard-Kennzahlen. - [Root-Cause-Analyse mit Topologie, Metriken und Historie](https://www.mrplanb.com/de/blog/root-cause-analysis-topology-time-series-historical-incidents-configuration-rela) - Wie Topologie, Zeitreihen, historische Incidents und Konfigurationsänderungen zusammen eine erklärbare Root-Cause-Analyse ergeben. - [Bringt automatisierte Remediation wirklich mehr Effizienz?](https://www.mrplanb.com/de/blog/measure-automated-remediation-operational-efficiency) - Ob automatisierte Remediation die Effizienz steigert, zeigt der Vergleich von Zuverlässigkeit und Arbeitsaufwand vor und nach der Automatisierung. - [Kosten ungenutzter Infrastruktur berechnen und optimieren](https://www.mrplanb.com/de/blog/calculate-idle-infrastructure-cost-optimization-recommendations) - Leerlaufkosten aus Kartenstunden, Idle-Power und Stromtarif berechnen, die Ursache des Leerlaufs klären und daraus passende Optimierungen ableiten. - [Was ist MaaS? Inferenz, API-Gateway und Token-Metering](https://www.mrplanb.com/de/blog/what-is-maas-model-repositories-inference-api-gateway-token-metering) - Model as a Service (MaaS) macht ein KI-Modell zum betreibbaren Dienst: Repository, Inferenz-Instanzen, API-Gateway und Token-Metering greifen ineinander. - [Hardware-Health mit Anwendungen und Services verknüpfen](https://www.mrplanb.com/de/blog/connect-hardware-health-applications-business-services-proactive-operations) - Hardware-Health-Daten helfen proaktiv, wenn die CMDB jede Komponente mit Server, Workload, Anwendung, Owner und Geschäftsservice verknüpft. - [Offizielle Proxmox-iOS-App: Homelabber fühlen sich gesehen](https://www.mrplanb.com/de/blog/proxmox-quietly-dropped-an-ios-app-and-homelab-owners-are-feeling-weirdly-seen) - Homelabber entdeckten eine offizielle Proxmox-VE-App im App Store, ohne großen Launch. Optisch schlicht, aber die Grundlagen funktionieren unterwegs. - [Hardware-Degradation erkennen, bevor der Server ausfällt](https://www.mrplanb.com/de/blog/detect-hardware-degradation-before-complete-server-failure) - Wie IT-Teams Hardware-Degradation über Zwischenzustände wie ECC-Trends, Temperatur, Strom und Redundanzverlust vor dem kompletten Serverausfall erkennen. - [Trainingsjobs nach GPU-Ausfall automatisch fortsetzen](https://www.mrplanb.com/de/blog/automatic-recovery-training-jobs-gpu-server-failure) - KI-Infrastruktur setzt Trainingsjobs nach GPU- oder Server-Ausfällen automatisch fort, mit zuverlässiger Fehlererkennung und brauchbaren Checkpoints. - [Hardware-Änderungen erfassen und die CMDB aktuell halten](https://www.mrplanb.com/de/blog/track-hardware-configuration-changes-keep-cmdb-accurate) - Wie automatische Erfassung, Vergleich auf Komponentenebene, Snapshots und Autoritätsregeln pro Feld CMDB-Hardwaredaten korrekt halten. - [Rack-Platz, U-Positionen und Leistungsdichte verwalten](https://www.mrplanb.com/de/blog/manage-rack-space-u-positions-power-density-expansion-capacity) - Warum freie U-Positionen nicht reichen: Rack-Kapazität nach Power, Kühlung, Netzwerk-Ports, Reservierungen und dem engsten Engpass planen. - [Hardware-Asset-Inventare automatisch erkennen und pflegen](https://www.mrplanb.com/de/blog/automatically-discover-maintain-hardware-asset-inventories) - Genaue Hardware-Inventare entstehen, wenn automatische Erkennung die Standardquelle für beobachtbare Fakten wird und Menschen nur den Rest pflegen. - [Automatisiertes Bare-Metal-Provisioning: OS, GPU, Monitoring](https://www.mrplanb.com/de/blog/automated-bare-metal-provisioning-physical-servers-os-gpu-drivers-monitoring-age) - Die Pipeline vom Hardware-Discovery bis zum einplanbaren Node: Boot, OS-Image, Firmware-Baseline, GPU-Treiber, Monitoring, Validierung. - [VMware VCF 9.1: Kleine Labs stehen vor verschlossener Tür](https://www.mrplanb.com/de/blog/vmware-s-vcf-9-1-requirements-feel-like-a-door-slamming-shut-on-smaller-labs) - Die kleinste VCF-9.1-Service-Runtime soll 40 vCPU und 82 GB RAM verlangen. Warum das Homelabs und kleinere Produktivsetups hart trifft. - [Total Cost of Ownership für GPU- und KI-Infrastruktur](https://www.mrplanb.com/de/blog/total-cost-of-ownership-gpu-ai-infrastructure) - Die TCO von GPU- und KI-Infrastruktur verbindet Anschaffungs- und Betriebskosten mit gemessenem Verbrauch: GPU-Stunden, Energie, Storage und Tokens. - [PUE, WUE, GPU-Energie und Stromkosten pro Token berechnen](https://www.mrplanb.com/de/blog/calculate-pue-wue-gpu-energy-cost-per-token) - PUE ist Gesamtenergie durch IT-Energie, WUE Wasser durch IT-Energie. GPU-Energie und Kosten pro Token folgen aus Leistung, Zeit und erzeugten Tokens. - [Handover-Checkliste für den IT-Betrieb: Was hineingehört](https://www.mrplanb.com/de/blog/it-operations-handover-checklist) - Die Checkliste stellt sicher, dass die nächste Schicht offene Incidents, riskante Changes, Service- und Kapazitätsrisiken, Eskalationen und To-dos kennt. - [Firmware-Compliance über Tausende Server hinweg verwalten](https://www.mrplanb.com/de/blog/manage-firmware-versions-compliance-thousands-servers) - Firmware-Stände laufend erfassen, nach Hardware-Klasse gruppieren, Baselines definieren, Ausnahmen finden und kontrolliert in Batches aktualisieren. - [Wie AIOps Alarmrauschen senkt, Ursachen und Impact findet](https://www.mrplanb.com/de/blog/how-aiops-reduces-alarm-noise-root-causes-business-impact) - AIOps bündelt viele Rohsignale zu wenigen Incidents und nutzt Zeit, Topologie, Metriken, Konfigurationsbeziehungen und Historie, um die Ursache zu finden. - [KI-Content-Safety: Prompt Injection, PII und Audit-Logs](https://www.mrplanb.com/de/blog/ai-content-safety-prompt-injection-pii-masking-model-service-audit-logs) - Eingangs- und Ausgangsprüfung, Prompt-Injection-Schutz, PII-Maskierung, Content-Labeling und append-only Audit-Logs für Modelldienste. - [Kernel 7.0 zerschoss die LXC-Container in Proxmox](https://www.mrplanb.com/de/blog/kernel-7-0-broke-the-containers-and-suddenly-the-easy-upgrade-didn-t-feel-so-easy) - Nach dem Proxmox-Upgrade auf Kernel 7.0 starteten alle LXC-Container nicht mehr. Die Logs, die Diagnose und die Lösung in zwei Befehlen. - [Update drücken und beten: Proxmox 9.2 macht Admins nervös](https://www.mrplanb.com/de/blog/press-update-and-pray-the-proxmox-9-2-upgrade-has-admins-excited-nervous-and-already-checking-their-backups) - Was Proxmox-Nutzer an VE 9.2 reizt und was sie zögern lässt: Kernel 7.0, ZFS-Änderungen, GPU-Passthrough, NIC-Namen und Treiberprobleme. - [Proxmox 9.2 ist da, und Homelabber streiten über „besser“](https://www.mrplanb.com/de/blog/proxmox-9-2-is-here-and-the-homelab-crowd-is-already-arguing-about-what-better-should-mean) - Der Proxmox-9.2-Release-Thread zeigt die Spannung: LXC-ID-Mapping begeistert, andere fordern echte OCI-Container statt Docker im LXC. - [Proxmox 9.2: Wie viel Macht soll die Web-UI haben?](https://www.mrplanb.com/de/blog/proxmox-9-2-landed-and-the-real-fight-is-over-how-much-power-the-ui-should-have) - Proxmox 9.2 vereinfacht das UID- und GID-Mapping für LXC-Container. Die Community diskutiert Berechtigungen, 777-Abkürzungen und OCI-Support. - [Wie frühere Incidents künftiges Troubleshooting verbessern](https://www.mrplanb.com/de/blog/previous-incidents-remediation-history-future-troubleshooting) - Frühere Incidents zeigen, was ausfiel, wie es sich zeigte, welche Abhängigkeiten beteiligt waren und was den Dienst wirklich wiederherstellte. - [Hochdichte GPU-Rechenzentren: Strom, Racks, Flüssigkühlung](https://www.mrplanb.com/de/blog/high-density-gpu-data-center-power-rack-cooling-liquid-cooling) - Wie GPU-Rechenzentren Rack-Strom, Kühlreserve, CDUs, Flüssigkühlungszweige und Leckageerkennung überwachen und nutzbare Kapazität planen. - [Ungenutzte, unterausgelastete und überbuchte Infrastruktur](https://www.mrplanb.com/de/blog/identify-idle-underutilized-overcommitted-infrastructure-resources) - IT-Teams vergleichen Zuweisung mit echter Nutzung, wartender Arbeit und Servicequalität und klären, warum Ressourcen keinen nutzbaren Output liefern. - [Stromverbrauch von Servern: Gerät, Rack, Rechenzentrum](https://www.mrplanb.com/de/blog/monitor-manage-server-power-device-rack-data-center) - Von der Gerätemessung über Rack-Spielraum, PDU und USV bis zu PUE, Leerlaufstrom und Energiekosten pro Projekt. - [Batch-Patching und Firmware-Upgrades sicher automatisieren](https://www.mrplanb.com/de/blog/safely-automate-batch-patching-firmware-configuration-scripts) - Batch-Patching, Firmware-Upgrades und Skripte sicher automatisieren: Baseline, Vorprüfungen, Canary, stufenweiser Rollout, Stoppregeln und Rollback. - [Storage-Plattform wirkte bereit, bis der Betriebsalltag kam](https://www.mrplanb.com/de/blog/the-storage-platform-that-looked-ready-until-operators-started-living-with-it) - HPE Alletra MP B10000 im Betrieb: stabile Datenbereitstellung, aber Reibung bei Management, Failover, Support, Firmware und VMware-Workflows. - [Flüssigkühlungs-Monitoring in hochdichten Rechenzentren](https://www.mrplanb.com/de/blog/liquid-cooling-monitoring-high-density-data-centers) - Wie man CDUs, Verteil-Branches, Temperatur, Durchfluss, Druck und Lecks als eine Kette überwacht und mit Racks, Workloads und Freigaben verbindet. - [Konfigurations-Backups und Rollback senken Änderungsrisiken](https://www.mrplanb.com/de/blog/automated-configuration-backups-rollback-infrastructure-change-risk) - Automatische Konfigurations-Backups und Rollback sichern vor jeder Änderung einen bekannt guten Zustand und zeigen genau, was sich geändert hat. - [Energieeffizienz im Rechenzentrum: Zonen und Kühlung](https://www.mrplanb.com/de/blog/compare-energy-efficiency-data-center-zones-cooling-technologies) - Vergleichbar wird Energieeffizienz erst mit gleicher Messgrenze, gleichem Zeitraum und gleichen Metriken: PUE, WUE, IT-Last, Kühlung und Workload-Mix. - [VAST Datas KI-OS: Echte Infrastruktur oder KI-Theater?](https://www.mrplanb.com/de/blog/vast-data-s-ai-os-has-people-asking-one-brutal-question-is-this-real-infrastructure-or-just-ai-theater) - VAST Data verspricht ein KI-OS mit Agenten, Vektorsuche, RAG und Analytics. Viele Storage-Profis reagieren verwirrt: Welches Problem löst das wirklich? - [RDMA, RoCE und InfiniBand: Was das KI-Training bremst](https://www.mrplanb.com/de/blog/rdma-roce-infiniband-packet-loss-storage-ai-training) - Verteiltes KI-Training ist ebenso Datenbewegung wie Rechenarbeit. Paketverlust, RDMA-Latenz oder langsamer Storage lassen gesunde GPUs untätig warten. - [Niemand vertraut VMware mehr: Kunden planen den Ausstieg](https://www.mrplanb.com/de/blog/nobody-trusts-vmware-anymore-and-that-might-be-the-real-collapse-no-one-saw-coming) - Warum Infrastrukturteams VMware technisch weiter schätzen, dem Hersteller aber nicht mehr vertrauen, und welche Alternativen sie jetzt planen. - [HPE MSA und Dell PowerVault: Gar nicht so verschieden](https://www.mrplanb.com/de/blog/the-weird-little-secret-behind-hpe-msa-and-dell-powervault-sometimes-your-different-storage-array-isn-t-that-different) - HPE MSA, Dell PowerVault ME5 und Lenovo DS gehen laut Betreibern auf eine Seagate-Plattform zurück. Was das für Support und Lizenzen heißt. - [Goldene Käfige: Der schwere Abschied vom Rechenzentrum](https://www.mrplanb.com/de/blog/golden-cages-and-quiet-regret-why-walking-away-from-data-centers-feels-impossible-until-it-isn-t) - Ein Aussteiger aus der Rechenzentrumsbranche war nie glücklicher. Warum so viele trotzdem bleiben: Das Gehalt macht den Abschied zur Rechenaufgabe. - [Docker nicht verstanden? Alle streiten über das Falsche](https://www.mrplanb.com/de/blog/i-thought-i-didn-t-understand-docker-turns-out-everyone-else-is-arguing-about-the-wrong-thing) - Eine Frage zu Docker, Hyper-V und Virtualisierung zeigt, wie Container, VM-Schicht und Host-OS in Diskussionen durcheinandergeraten. - [„Kommt drauf an“ ist keine Antwort: Chaos um eine VM-Frage](https://www.mrplanb.com/de/blog/it-depends-is-not-an-answer-the-quiet-chaos-behind-one-simple-vm-question) - Welchen CPU-Typ wählt man für eine VM? Eine einfache Frage, auf die alle „kommt drauf an“ antworten und damit mehr Verwirrung als Klarheit stiften. - [Kubernetes User Namespaces: Sicherheit mit Nebenwirkungen](https://www.mrplanb.com/de/blog/kubernetes-quiet-security-revolution-is-here-and-it-might-break-everything-before-it-fixes-anything) - User Namespaces in Kubernetes sind verfügbar: was sie bringen, welche Kernel- und Storage-Hürden es gibt und wer noch wartet. - [Ingress ade? Die Kubernetes Gateway API als Puzzle](https://www.mrplanb.com/de/blog/kubernetes-wants-you-to-move-on-from-ingress-yet-gateway-api-feels-like-a-puzzle-nobody-asked-for) - Warum die Kubernetes Gateway API als Idee überzeugt, im Alltag mit CRDs, Controllern und parallelem Ingress aber schwerfällig wirkt und den Umstieg bremst. - [Sechs Jahre Arbeit: User Namespaces in Kubernetes sind GA](https://www.mrplanb.com/de/blog/six-years-of-silence-explodes-into-one-feature-that-could-quietly-rewrite-kubernetes-security-forever) - Nach sechs Jahren sind User Namespaces in Kubernetes GA: Prozesse sind im Container root, auf dem Host eingeschränkt. Was das in der Praxis ändert. - [Digitaler Nachlass: Die meisten machen es falsch](https://www.mrplanb.com/de/blog/your-digital-life-will-outlive-you-and-you-re-probably-handling-it-completely-wrong) - Was passiert mit Notizen, Aufnahmen und privaten Archiven, wenn Sie nicht mehr da sind? Verschlüsselung hilft, doch es ist ein menschliches Problem. - [Ihr Homelab wurde über Nacht zu Enterprise-Tech](https://www.mrplanb.com/de/blog/your-homelab-just-became-enterprise-tech-overnight-and-not-everyone-is-ready-for-it) - Eine Partnerschaft zweier beliebter Homelab-Tools bringt autoskalierende Desktops und Zero-Trust-Zugriff. Zwischen Begeisterung und Skepsis. - [Zwei VMAX-Schränke: Manches Storage lässt sich nicht retten](https://www.mrplanb.com/de/blog/two-vmax-cabinets-one-painful-truth-some-enterprise-storage-was-never-meant-to-be-reborn) - Zwei alte EMC-Symmetrix-VMAX-Systeme ohne Support: Lassen sie sich ohne HYPERMAX OS oder Enginuity sinnvoll weiternutzen? Die ernüchternde Antwort. - [MicroVMs als Container-Killer? Warum alle begeistert sind](https://www.mrplanb.com/de/blog/microvms-might-kill-your-containers-and-that-s-exactly-why-people-are-excited) - MicroVMs in Proxmox lassen die alte Debatte Container gegen VM neu aufleben: ein leichterer Weg zur Isolation, aber mit echten Einschränkungen. - [Endlich weg von VMware, aber zu welchem Preis?](https://www.mrplanb.com/de/blog/we-re-finally-leaving-but-at-what-cost-the-raw-messy-reality-of-breaking-up-with-vmware) - Ein Team zieht von VMware zu HPE Morpheus und VM Essentials um. Woche eins bringt MTU-Fehler, fehlendes vTPM und Ärger mit verschlüsselten VMs. - [VMware-Verlängerungen: Eine unberechenbare Achterbahnfahrt](https://www.mrplanb.com/de/blog/it-was-supposed-to-be-fine-inside-the-vmware-renewal-rollercoaster-no-one-can-predict) - VMware-Verlängerungen reichen von überschaubar bis schmerzhaft und zeigen, wie stark Preise, Bundling und Verhandlungsmacht zwischen Kunden schwanken. - [Workstation durch VM ersetzt, und nichts fiel auseinander](https://www.mrplanb.com/de/blog/i-replaced-my-workstation-with-a-vm-and-somehow-it-didn-t-fall-apart) - Ein Erfahrungsbericht: Workstation durch eine VM ersetzt. GPU-Passthrough, Remote-Streaming und viel Ausprobieren ergaben ein produktives Setup. - [Microsofts 7-Milliarden-KI-Wette: Ein Anfang ohne Zurück](https://www.mrplanb.com/de/blog/msft-s-7-billion-ai-gamble-feels-bigger-than-tech-it-feels-like-the-start-of-something-you-can-t) - Microsofts Fairwater ist mehr als ein Rechenzentrum: ein Schritt zu KI-Infrastruktur im Industriemaßstab, mit Folgen für Energie und Zugang. - [DIY-SAN selbst bauen: wie moderner Storage arbeitet](https://www.mrplanb.com/de/blog/the-diy-san-rabbit-hole-one-engineer-asked-how-modern-storage-really-works-and-the-answer-got-complicated-fast) - Was in einem Dual-Controller-SAN steckt: NVMe-oF, Multipath, Fencing, Active-Active und warum DIY-Nachbauten so schwer sind. - [KI braucht besseren Strom: Lastsprünge und Netzstabilität](https://www.mrplanb.com/de/blog/here-s-your-full-blog-with-the-cta-integrated-naturally-at-the-end) - Das Stromproblem der KI ist mehr als Megawatt: Volatilität, Netzinstabilität und softwaredefinierte Stromsysteme prägen moderne Rechenzentren. - [Kein Proxmox Backup Server nötig? Bis zu dem einen Tag](https://www.mrplanb.com/de/blog/you-don-t-need-proxmox-backup-server-until-the-day-you-really-really-do) - Warum Proxmox Backup Server erst optional wirkt und dann überzeugt, sobald Deduplizierung, Übersicht und die Planung für den Ernstfall zählen. - [80 % Fehlerquote: Major Release als Glücksspiel](https://www.mrplanb.com/de/blog/80-failure-rate-and-support-still-has-no-answer-when-a-major-release-feels-like-a-gamble) - Wenn Installationen häufiger scheitern als gelingen, wird ein Major Release zum operativen Glücksspiel, dem Teams nicht mehr trauen. - [Veeam war schuld? Das Problem lag nicht in der Software](https://www.mrplanb.com/de/blog/we-blamed-veeam-for-everything-until-we-realized-the-real-problem-wasn-t-the-software) - Sechs Monate S3-Fehler mit Veeam, geteilte Community-Erfahrungen und die Frage, wie viel davon am eigenen Setup liegt. - [VMware-Loyalität zerbricht: Der riskante Ausstieg beginnt](https://www.mrplanb.com/de/blog/we-knew-this-was-coming-the-quiet-collapse-of-vmware-loyalty-turns-into-a-high-stakes-exit) - Warum langjährige VMware-Kunden ihren Ausstieg planen, was Proxmox attraktiv macht und warum große Migrationen ebenso strategisch wie technisch sind. - [„Wir sind fertig mit Veeam“: Wenn Loyalität zu Burnout wird](https://www.mrplanb.com/de/blog/we-re-done-with-veeam-the-breaking-point-that-turns-it-loyalty-into-burnout) - Wiederkehrende S3-Backup-Probleme werden zu täglicher Erschöpfung: Wie Instabilität und langsamer Support treue Veeam-Nutzer ins Burnout treiben. - [Etwas ist kaputt, aber was? Stille Fehler bei Upgrades](https://www.mrplanb.com/de/blog/it-says-something-is-broken-but-won-t-tell-you-what-the-silent-failure-that-turns-upgrades-into-) - Eine vage Warnung über einen nicht unterstützten Agent macht ein Routine-Upgrade zur Tortur und zeigt, wie gefährlich Fehler ohne konkreten Hinweis sind. - [128 GB RAM, und Backup-Software frisst trotzdem alles](https://www.mrplanb.com/de/blog/128gb-of-ram-and-it-still-eats-everything-when-backup-software-starts-fighting-your-infrastructu) - Selbst große Hardware gerät ins Straucheln, wenn Backup-Dienste Speicher fressen, Jobs tagelang laufen und Scaling nichts mehr bringt. - [50.000 VMs und ein bitterer VMware-Exit](https://www.mrplanb.com/de/blog/50-000-vms-and-one-bitter-goodbye-the-quiet-chaos-behind-a-vmware-exit-no-one-wanted) - Die operativen, technischen und menschlichen Kompromisse eines erzwungenen VMware-Ausstiegs im Enterprise-Maßstab, wo Tools Einfachheit versprechen. - [800 Dollar im Monat für 400 LTO-Bänder im Tresor](https://www.mrplanb.com/de/blog/the-800-a-month-tape-vault-nobody-wants-to-explain-anymore) - Rund 800 Dollar im Monat für 400 LTO-Bänder bei Iron Mountain: wie man Aufbewahrung, Migration und Vernichtung endlich entscheidet. - [Cyber Resilience Act: Warum manche Teams gelassen bleiben](https://www.mrplanb.com/de/blog/the-cra-panic-is-real-why-some-teams-are-calm-and-others-feel-like-they-re-drowning) - Warum sich der Cyber Resilience Act für manche Teams handhabbar und für andere überwältigend anfühlt und wie Scope, Ownership und Nachweise das prägen. - [Nur 10 VMs: Warum Teams Enterprise-Backup infrage stellen](https://www.mrplanb.com/de/blog/if-it-s-only-10-vms-why-are-we-even-paying-the-quiet-revolt-against-enterprise-backup-thinking) - Wird Infrastruktur kleiner und ersetzbarer, wankt das Argument für bezahltes Enterprise-Backup. Teams definieren neu, was „genug“ bedeutet. - [Dieses Zabbix-Feature macht Monitoring zur Automation-Engine](https://www.mrplanb.com/de/blog/this-one-zabbix-feature-is-quietly-turning-monitoring-tools-into-automation-engines) - Webhook-Medientypen führen Zabbix über Alerting hinaus zur Workflow-Automation, die schnelle Integrationen ermöglicht oder neues Betriebschaos erzeugt. - [Server in der Hosentasche: Wem vertrauen Sie mit ProxMan?](https://www.mrplanb.com/de/blog/your-server-in-your-pocket-sounds-amazing-until-you-realize-what-you-re-actually-trusting) - ProxMan für Android verspricht volle Proxmox-Kontrolle vom Smartphone, wirft aber Fragen zu Vertrauen, Transparenz und mobiler Administration auf. - [KI übernimmt Zabbix: Und nicht jeder ist bereit dafür](https://www.mrplanb.com/de/blog/ai-just-took-over-zabbix-and-not-everyone-is-ready-for-what-comes-next) - Wie KI-gesteuertes Zabbix Monitoring von Dashboards zum Dialog macht und warum diese Macht neue Fragen zu Vertrauen und Sicherheit aufwirft. - [Frisches OS, sauber neu installiert und immer noch kaputt](https://www.mrplanb.com/de/blog/fresh-os-clean-install-still-broken-when-even-starting-over-doesn-t-save-you) - Eine Neuinstallation sollte das Problem lösen, doch ein zentraler Veeam-Dienst stürzt weiter ab. Der saubere Neuanfang wird zur nächsten Sackgasse. - [ManageEngine erwägen: Zuverlässigkeit, Support und Kosten](https://www.mrplanb.com/de/blog/thinking-about-using-manageengine) - Wo ManageEngine funktioniert, wo es Reibung erzeugt und warum Support, Cloud-Workflows und Betriebsaufwand mehr zählen, als die Demo vermuten lässt. - [Nur 7 VMs, warum zahlen wir noch? Backup in der Cloud-Ära](https://www.mrplanb.com/de/blog/it-s-just-7-vms-why-are-we-still-paying-for-this-the-uncomfortable-truth-about-backup-in-a-cloud) - On-Prem schrumpft, und Teams fragen, ob ein voller Enterprise-Backup-Stack für eine Handvoll neu aufbaubarer VMs noch Sinn ergibt. - [1.500 VMs weg von VMware: Was bei der Migration hakt](https://www.mrplanb.com/de/blog/1-500-vms-one-wrong-move-the-brutal-reality-of-escaping-vmware-without-breaking-everything) - 1.500 VMs von VMware zu migrieren klingt automatisierbar, bis Storage-Engpässe, Windows-Treiber und Ausfallzeiten den Schaden zeigen. - [Die Backups sind da, warum kann ich sie nicht nutzen?](https://www.mrplanb.com/de/blog/the-backups-are-there-so-why-can-t-i-use-them-when-recovery-feels-just-out-of-reach) - Nach einem Rebuild lassen sich VM-Backups sauber zuordnen, importierte Agent-Backups aber nicht. Woran das liegt und was es über Recovery sagt. - [Zabbix-Widget-Update behebt alte Schwächen von Dashboards](https://www.mrplanb.com/de/blog/this-zabbix-widget-update-quietly-fixes-what-monitoring-dashboards-have-been-getting-wrong-for-y) - Wie das Update des Zabbix-Host-Overview-Widgets Dashboards verbessert: mehr Anpassbarkeit, visueller Kontext und schnellere Drill-downs. - [Alles lief, bis es nicht mehr lief: Fragile Backup-Upgrades](https://www.mrplanb.com/de/blog/everything-worked-until-it-didn-t-the-hidden-fragility-of-simple-upgrades-in-backup-infrastructu) - Ein sauberes Upgrade endet in abdriftenden Agents, kaputten Zuweisungen und Kontrollverlust und zeigt, wie trügerisch 'healthy' bei Backups sein kann. - [Zabbix-FinOps: Wie viel Geld Ihre Infrastruktur verbrennt](https://www.mrplanb.com/de/blog/this-zabbix-module-quietly-exposes-how-much-money-your-infrastructure-is-burning) - Ein Zabbix-FinOps-Modul macht Monitoring-Daten zur Kostenverantwortung und zeigt die Spannung zwischen effizientem Right-Sizing und operativem Risiko. - [Veeam ersetzen: Warum Backup immer ein Kompromiss bleibt](https://www.mrplanb.com/de/blog/we-tried-to-replace-veeam-and-realized-backup-isn-t-just-a-tool-it-s-a-trade-off-you-can-t-escap) - Eine schwere Backup-Plattform zu ersetzen klingt verlockend, bis die Kompromisse bei Restore-Tiefe, Preisen und MSP-Betriebsrealität sichtbar werden. - [Über Nacht abgeschaltet? Panik um VMware Photon OS](https://www.mrplanb.com/de/blog/did-they-just-kill-it-overnight-the-quiet-panic-around-vmware-photon-s-disappearing-act) - Warum defekte Links zu VMware Photon OS Panik auslösten, wie Broadcom-URLs das Bild änderten und warum unangekündigte Umzüge Vertrauen kosten. - [Preis angefragt, Stille bekommen: Support vertreibt Kunden](https://www.mrplanb.com/de/blog/we-asked-for-a-price-and-got-silence-instead-how-support-delays-quietly-push-customers-away) - Ein kleines Team fragt nach einem Lizenzpreis und hört wochenlang nichts. Wie langsamer Support kurz vor der Verlängerung Vertrauen zerstört. - [Panik um Datadogs Log-Kosten: Ein Warnschuss für die Branche](https://www.mrplanb.com/de/blog/datadog-log-cost-panic-isnt-just-a-meme-its-a-warning-shot-for-the-whole-industry) - Der wiederkehrende Schock über Datadogs Log-Kosten zeigt: Teams wollen volle Visibility, akzeptieren aber keine intransparenten Preise mehr. - [Zabbix-Tuning-Tool zeigt, wie kaputt Server-Tuning ist](https://www.mrplanb.com/de/blog/this-simple-zabbix-tool-just-exposed-how-broken-server-tuning-really-is) - Warum automatisches Zabbix-Server-Tuning nützlich wirkt, wo es an Grenzen stößt und warum Monitoring-Mathematik selten zu sicheren Konfigurationen führt. - [Kleiner Kunde, kein Interesse? Vertrauensverlust im Support](https://www.mrplanb.com/de/blog/we-re-a-small-customer-why-does-it-feel-like-nobody-cares-the-slow-death-of-trust-in-enterprise-) - Langsame Antworten und fehlendes Nachfassen treffen kleine Kunden am härtesten und machen ein einfaches Verlängerungsgespräch zur Vertrauenserosion. - [Zu lange loyal: Rechenzentren wechseln von Intel zu AMD](https://www.mrplanb.com/de/blog/we-stayed-loyal-too-long-the-quiet-shift-from-intel-to-amd-that-s-rewriting-the-data-center-play) - Warum treue Intel-Shops AMD neu bewerten, wie die Lizenzökonomie die Rechnung verkompliziert und wie sich Kaufgewohnheiten im Rechenzentrum verschieben. - [Monitoring ohne Schmerz: Warum dieser Markt Herzen bricht](https://www.mrplanb.com/de/blog/everybody-wants-monitoring-without-the-pain-and-thats-why-this-market-keeps-breaking-hearts) - Der Frust mit Monitoring-Tools zeigt, warum Käufer zwischen teurer Bequemlichkeit, billiger Mühsal und dem Traum von beidem ohne Kompromiss pendeln. - [Günstige VMware-Editionen verschwinden: IT schaut sich um](https://www.mrplanb.com/de/blog/vmwares-lower-tiers-keep-disappearing-and-thats-making-every-it-manager-look-over-the-fence) - VMware-Verlängerungen im Mittelstand: Käufer fühlen sich von Broadcom vor die Wahl gestellt, deutlich mehr zu zahlen oder zu gehen. - [Wenn New Relic verblasst, ist Datadog kein Happy End](https://www.mrplanb.com/de/blog/if-new-relic-is-fading-datadog-isnt-automatically-the-happy-ending) - Teams bewerten ältere Observability-Anbieter neu und fragen sich, ob sie dem Premium-Plattform-Modell von Anbietern wie Datadog noch trauen. - [Warten auf Proxmox 9.2: Frust bei der Jagd nach Kerneln](https://www.mrplanb.com/de/blog/stuck-waiting-for-proxmox-9-2-the-frustration-of-chasing-kernels-in-a-moving-target-world) - Warum Nutzer, die für ROCm, Treiber oder Bugfixes neuere Kernel suchen, immer wieder mit dem langsameren Upstream-Release-Rhythmus von Proxmox kollidieren. - [VMUG: Einst Einstiegsdroge für VMware, heute ein Nachruf](https://www.mrplanb.com/de/blog/vmug-used-to-feel-like-a-gateway-drug-for-vmware-now-it-feels-like-an-obituary) - Ein Thread über günstigen VMware-Zugang für den Privatgebrauch zeigt, wie stark Broadcom eine alte Einstiegsrampe für künftige Praktiker beschädigt hat. - [Neue SSD, trotzdem unsicher: Die ignorierte Firmware-Wette](https://www.mrplanb.com/de/blog/your-ssd-isn-t-safe-just-because-it-s-new-the-firmware-gamble-most-homelab-users-ignore) - Warum SSD-Firmware ignoriert wird, bis sie Schmerzen verursacht, und wie Homelab-Nutzer Risiko, Bequemlichkeit und Low-Level-Wartung abwägen. - [Zwei-Node-Cluster sind eine Falle: Proxmox-Quorum erklärt](https://www.mrplanb.com/de/blog/your-two-node-cluster-is-a-trap-the-brutal-truth-about-proxmox-quorum-no-one-explains) - Warum Zwei-Node-Proxmox-Cluster falsches Vertrauen erzeugen, wie Quorum wirklich funktioniert und was Admins bei HA ohne dritte Stimme übersehen. - [Der Datadog-Posten, der Infrastrukturbudgets auffrisst](https://www.mrplanb.com/de/blog/the-datadog-line-item-thats-quietly-eating-modern-infrastructure-budgets) - Die Debatte über Infrastrukturpreise kreist um Datadog: Observability-Ausgaben werden leicht unterschätzt und lassen sich schwer wieder senken. - [Der 5-TB-Schock: Die versteckte ZFS-Snapshot-Falle](https://www.mrplanb.com/de/blog/your-snapshots-aren-t-broken-your-assumptions-are-the-5tb-shock-that-exposes-a-hidden-zfs-trap) - Warum der Speicherverbrauch von ZFS-Snapshots völlig falsch aussehen kann, bis klar wird, welche Annahmen von Anfang an nicht stimmten. - [Überfüllter VMware-Exit: Jede Verlängerung wird hässlicher](https://www.mrplanb.com/de/blog/the-vmware-exit-door-is-crowded-and-thats-making-every-renewal-look-even-uglier) - Eine Diskussion über weniger VMware bis 2028 zeigt eine neue Realität: Viele Kunden wollen raus, doch viele stecken auf dem Weg schmerzhaft fest. - [VAST kauft Red Stapler: Cloud-Schwenk mit Fragezeichen](https://www.mrplanb.com/de/blog/vast-buying-red-stapler-feels-like-a-cloud-pivot-with-a-giant-question-mark-attached) - VAST Data kauft Red Stapler: eine sinnvolle Kontrollebene für Hyperscaler-Kunden oder ein Schwenk hin zu Cloud-Fantasie und Investoren-Multiples? - [Falsch gemountet: Der NFS-Fehler, der Homelabs lahmlegt](https://www.mrplanb.com/de/blog/you-re-mounting-it-wrong-the-nfs-mistake-that-keeps-breaking-homelabs) - Die NFS-Fehler, die Homelab-Nutzer verwirren, besonders wenn sie erwarten, dass sich Shared Storage wie eine lokale VM-Festplatte verhält. - [SSH-Keys im Homelab: Wie viel Setup ist zu viel?](https://www.mrplanb.com/de/blog/stop-overengineering-your-homelab-the-quiet-war-over-ssh-keys-no-one-talks-about) - Eine einfache Frage zu SSH-Keys im Homelab wird zur Debatte über Kontrolle, Komfort, Automatisierung und die Grenze zu übertriebenem Engineering. - [Open-Source-Rivale für Datadog: Die Reaktion war „Endlich“](https://www.mrplanb.com/de/blog/somebody-built-an-open-source-datadog-rival-and-the-loudest-reaction-was-finally) - Die warme Reaktion auf neue Open-Source-Observability zeigt weniger Neugier als den Wunsch nach einer echten Alternative zu heutigen Preismodellen. - [VMwares End-of-Support-Uhr wird zum Erpresserbrief](https://www.mrplanb.com/de/blog/vmwares-end-of-support-clock-is-quietly-becoming-its-own-kind-of-ransom-note) - Debatten über die vSphere-8-Supportfristen zeigen, wie VMware-Kunden langfristige Wetten auf kurzfristiges Vertrauen abschließen müssen. - [Ein curl-Befehl kann Ihren Server kapern: Proxmox-Skripte](https://www.mrplanb.com/de/blog/that-one-curl-command-could-own-your-server-the-quiet-fear-behind-proxmox-setup-scripts) - Warum Convenience-Skripte im Proxmox-Homelab so verlockend sind und erfahrene Admins skeptisch bleiben, wenn curl-Befehle blind als Root laufen. - [Bin ich geliefert? Wenn ein Homelab Daten verliert](https://www.mrplanb.com/de/blog/am-i-screwed-the-moment-a-homelab-turns-into-a-data-loss-horror-story) - Stromausfall, fehlerhafte NVMe-Lesezugriffe und fehlendes Reparatur-Tooling machten eine Homelab-Wiederherstellung zur harten Backup-Lektion. - [Endlich abgeschaltet: Die chaotische Trennung von VMware](https://www.mrplanb.com/de/blog/we-finally-shut-it-down-the-quiet-messy-and-emotional-breakup-between-enterprises-and-vmware) - Warum Unternehmen ihren VMware-Ausstieg planen: steigende Kosten, Vertragsmüdigkeit und die chaotische Realität von Migration und Risiko. - [Broadcoms Core-Count-Regeln machen VMware zum Theater](https://www.mrplanb.com/de/blog/broadcoms-core-count-rules-are-turning-vmware-renewals-into-absurd-theater) - Ein Thread über weniger VMware-Cores zeigt eine zermürbende Realität: Weniger Infrastruktur zu nutzen heißt nicht automatisch, weniger zu zahlen. - [Als ein Drei-Knoten-Cluster sich selbst nicht mehr traute](https://www.mrplanb.com/de/blog/the-day-a-three-node-cluster-refused-to-trust-itself) - Warum ein Drei-Knoten-Cluster nach Quorumsverlust herunterfährt oder in Panik gerät, obwohl ein Host noch alle VMs betreiben könnte. - [Wenn ein Cluster durchdreht: Drei-Node-HA in der Praxis](https://www.mrplanb.com/de/blog/when-a-cluster-loses-its-mind-the-harsh-reality-behind-three-node-high-availability) - Warum ein Drei-Node-HA-Cluster in Panik gerät, wenn zwei Nodes verschwinden, und wie Quorum und Split-Brain-Schutz dieses Verhalten prägen. - [Selbst gehostete Datadog-Alternativen werden zum Exit-Plan](https://www.mrplanb.com/de/blog/why-self-hosted-datadog-alternatives-suddenly-feel-less-like-a-hobby-and-more-like-an-exit-plan) - Warum Teams selbst gehostete Observability als Ausweg aus teuren Datadog-Rechnungen sehen und welchen Betriebsaufwand sie dafür einplanen müssen. - [Datadog glänzt im Ausfall, und doch sind Käufer zerrissen](https://www.mrplanb.com/de/blog/datadog-in-an-outage-still-feels-powerful-so-why-do-buyers-sound-so-torn) - Die Datadog-Debatte zeigt eine vertraute Spaltung: Im Incident vertrauen Teams dem Tool, aber nicht mehr dem Preis, den dieses Vertrauen kostet. - [VMware-Kosten als Horrorfilm: Plötzlich locken Alternativen](https://www.mrplanb.com/de/blog/when-vmware-costs-go-full-horror-movie-even-the-alternatives-start-looking-beautiful) - Ein Thread zu aktuellen VMware-Preisen: Selbst Teams, die Alternativen früher abtaten, wägen jetzt Proxmox, Hyper-V, KVM und Nutanix ab. - [CVE-2026-22039: Kubernetes-Namespaces als Scheinsicherheit](https://www.mrplanb.com/de/blog/cve-2026-22039-how-an-admission-controller-vulnerability-turned-kubernetes-namespaces-into-a-security-illusion) - CVE-2026-22039 in Kyverno lässt Nutzer mit Policy-Rechten Daten aus jedem Namespace abziehen. Behoben in 1.16.3 und 1.15.3; dazu die RBAC-Debatte. - [Die winzige macOS-App, bei der Proxmox-Admins aufhorchten](https://www.mrplanb.com/de/blog/i-built-this-because-i-was-tired-of-opening-the-web-ui-the-tiny-macos-app-that-made-proxmox-admi) - Eine schlanke macOS-Menüleisten-App für Proxmox trifft einen Nerv bei Homelab-Admins, die schneller Überblick und Kontrolle wollen als über die Web-UI. - [Proxmox 7 auf 9 aus dem Bus: Überraschend reibungslos](https://www.mrplanb.com/de/blog/i-upgraded-my-servers-from-a-bus-ride-the-surprisingly-smooth-reality-of-a-proxmox-7-9-upgrade) - Ein lange aufgeschobenes Proxmox-Upgrade von 7 auf 9 lief viel glatter als erwartet und zeigt, wie weit Upgrade-Angst und echtes Risiko auseinanderliegen. - [Nie ein laufendes System anfassen? Upgrade auf Proxmox 9](https://www.mrplanb.com/de/blog/if-it-ain-t-broke-don-t-fix-it-or-should-you) - Proxmox 9 im Homelab: warum Admins upgraden, was in Version 9 neu ist und warum manche lieber auf 9.1 warten. - [So sah mein Netzwerk früher aus: Ein Homelab-Diagramm](https://www.mrplanb.com/de/blog/my-network-used-to-look-like-this-the-nostalgia-and-reality-behind-a-homelab-diagram) - Ein altes Homelab-Diagramm zeigt eine ambitioniertere Ära und erinnert daran, wie reale Grenzen selbst gut geplante Infrastruktur umformen. - [Proxmox 9: Das kleine Feature gegen wechselnde NIC-Namen](https://www.mrplanb.com/de/blog/the-small-proxmox-feature-that-quietly-fixed-one-of-homelab-s-most-annoying-problems) - Proxmox 9 kann NIC-Namen überschreiben und löst so ein bekanntes Homelab-Problem: Interface-Namen bleiben nach harmlosen Hardware-Änderungen stabil. - [Root nicht deaktivieren? Proxmox-Härtung ist verwirrend](https://www.mrplanb.com/de/blog/wait-you-shouldn-t-disable-root-the-surprisingly-confusing-reality-of-hardening-a-proxmox-server) - Proxmox zu härten klingt einfach, bis Standard-Linux-Ratschläge mit der Funktionsweise der Plattform kollidieren, besonders bei SSH und Root-Zugriff. - [Datadog-Erschöpfung: Verlängerung wird zur Zerreißprobe](https://www.mrplanb.com/de/blog/datadog-fatigue-why-so-many-teams-sound-one-renewal-away-from-snapping) - Frustrierte Diskussionen über Datadog zeigen: Selbst zufriedene Nutzer sind von Preisen, Paketierung und ständigen Verhandlungen erschöpft. - [VMwares günstigster Pfad verschwindet für kleine Teams](https://www.mrplanb.com/de/blog/vmwares-cheapest-path-keeps-vanishing-and-small-teams-are-running-out-of-road) - Diskussionen über Standard-Abos und Abkündigungen zeigen, wie schwer kleine Umgebungen VMwares Einstiegspfad noch vertrauen können. - [Datadog-Jobs sehen fantastisch aus, bis man das Gehalt sieht](https://www.mrplanb.com/de/blog/datadog-jobs-look-amazing-until-you-see-the-salary) - Datadog zieht Bewerber stark an. Doch wer Angebote vergleicht, sieht bei Vergütung, Standort und Rollenebene ein komplizierteres Bild. - [Teams verlassen ELK und bauen eigene Observability-Stacks](https://www.mrplanb.com/de/blog/engineers-are-quietly-abandoning-elk-and-building-their-own-observability-stacks) - Mit wachsendem Telemetrie-Volumen und Kosten überdenken Teams ELK und setzen auf schlanke Stacks mit OpenTelemetry, OpenSearch und Tracing-first-Tools. - [Alle wollen Observability, niemand weiß, wo anfangen](https://www.mrplanb.com/de/blog/everyone-wants-observability-but-nobody-knows-where-to-start) - Viele Teams kaufen Observability-Tools, bevor sie Observability verstehen. So entsteht eine Lücke zwischen gesammelter Telemetrie und echten Antworten. - [Arbeiten bei Vertiv: Die Realität beim Rechenzentrumsriesen](https://www.mrplanb.com/de/blog/inside-vertiv-the-quiet-reality-of-working-in-the-data-center-infrastructure-giant) - Vertivs Ruf in der Rechenzentrums-Infrastruktur zieht Bewerber an, doch Berichte zeigen ein gemischtes Bild bei Arbeitslast, Entwicklung und Vergütung. - [300.000-Dollar-Observability: Löst KI wirklich Incidents?](https://www.mrplanb.com/de/blog/the-300k-observability-question-is-ai-actually-fixing-incidents-or-just-selling-better-dashboard) - Datadog, Dynatrace oder LGTM-Stack: Was KI-gestützte Root-Cause-Analyse in der Praxis bringt und ob sich 300.000 Dollar für Observability lohnen. - [Die „beste“ Observability-Plattform gibt es nicht](https://www.mrplanb.com/de/blog/there-is-no-best-observability-platform-and-engineers-know-it) - Die eine beste Observability-Plattform gibt es nicht: Teams brauchen unterschiedliche Mischungen aus Logs, Traces, Metriken, SLOs und Kompromissen. - [Noch zwei Tage VMware, und jede schlechte Option wird real](https://www.mrplanb.com/de/blog/two-days-left-on-vmware-and-suddenly-every-bad-option-looks-real) - Ein Panik-Thread über ablaufende vSphere-Lizenzen zeigt, wie VMwares neue Ökonomie kleine Teams in Last-Minute-Überlebensmathematik treibt. - [YAML-Komplexität in OpenTelemetry-Pipelines](https://www.mrplanb.com/de/blog/yaml-is-breaking-observability-the-quiet-crisis-inside-opentelemetry-pipelines) - Mit wachsenden OpenTelemetry-Pipelines wird YAML von einfacher Konfiguration zur Quelle von Instabilität, Mehrdeutigkeit und Betriebsaufwand. - [Datadog-Rechnungsschock: Observability als Budget-Horror](https://www.mrplanb.com/de/blog/datadog-bill-shock-is-turning-observability-into-a-budget-horror-show) - Neue Beschwerden über Datadog-Rechnungen zeigen: Teams trauen ihren Monitoring-Kosten kaum noch über ein Quartal hinaus. - [Wenn die VMware-Lizenz abläuft, knallt die Tür zu](https://www.mrplanb.com/de/blog/once-your-vmware-license-expires-the-door-doesnt-just-close-it-slams) - Ein Thread über abgelaufenen Support für vSphere 7 Essentials Plus zeigt, warum eine alte VMware-Lizenz heute wie ein Countdown wirkt. - [YubiHSM 2 und cert-manager: TLS-Zertifikate auf Kubernetes](https://www.mrplanb.com/de/blog/yubihsm-2-cert-manager-hardware-signed-tls-certificates-on-kubernetes) - Ein externer cert-manager-Issuer signiert TLS-Zertifikate mit einem privaten Schlüssel im YubiHSM 2, plus Replikation über mehrere HSMs. - [Datadogs Verkaufsdruck wird zum Klinkenputzer-Albtraum](https://www.mrplanb.com/de/blog/datadog-sales-pressure-turns-monitoring-into-a-door-to-door-nightmare) - Beschwerden über Datadogs ständige Kontaktversuche zeigen, wie ein Monitoring-Tool Sympathien verspielt, lange bevor das Produkt an Relevanz verliert. - [Broadcoms KI-Wette: 100 Mrd. für Chips, Schock für VMware](https://www.mrplanb.com/de/blog/broadcom-s-ruthless-ai-power-play-record-profits-a-100-billion-chip-bet-and-the-vmware-shockwave) - Broadcoms jüngstes Quartal zeigt eine aggressive KI-Strategie aus eigenen Chips, Netzwerk-Dominanz und einem folgenreichen VMware-Lizenz-Reset. - [VMware-Preisschock treibt treue Kunden an den Rand](https://www.mrplanb.com/de/blog/vmware-renewal-sticker-shock-is-pushing-loyal-customers-to-the-edge) - Eine neue Welle von Beschwerden über VMware-Verlängerungen zeigt, wie der Preisschock Budgetplanung zur jährlichen Panikattacke macht. - [Flux CD im Detail: Architektur, CRDs und Denkmodelle](https://www.mrplanb.com/de/blog/flux-cd-deep-dive-architecture-crds-and-mental-models) - Wie Flux-CD-Controller und ihre CRDs zusammenspielen, vom Git-Commit bis zum laufenden Workload, plus Homelab-Repo, Flux Operator und Live-Demo. - [„Wo ist vMotion?“ Die Lernkurve von VMware zu Proxmox](https://www.mrplanb.com/de/blog/where-s-vmotion-the-question-that-reveals-the-real-learning-curve-when-moving-from-vmware-to-pro) - Wer von VMware zu Proxmox wechselt, fragt fast immer dasselbe: Was ersetzt vMotion und die vertrauten VMware-Funktionen? Die echte Lernkurve. - [Neue Regel: Kubernetes-Tools nur noch im Wochen-Thread](https://www.mrplanb.com/de/blog/new-policy-sharing-new-kubernetes-tools-must-be-in-the-weekly-thread) - Neue Moderationsregel: Beiträge zu neuen Kubernetes-Tools gehören in den Wochen-Thread. Die Community streitet über Sichtbarkeit und Spam. - [Als die Cloud brannte: „Objekte“ trafen AWS in den VAE](https://www.mrplanb.com/de/blog/when-the-cloud-caught-fire-the-day-objects-took-down-amazon-s-uae-region-and-shook-devops-faith) - Ein AWS-Rechenzentrum in den VAE wurde inmitten eines Konflikts getroffen: Brand, Stromabschaltung und ein Ausfall, der zentrale AWS-Dienste traf. - [Windows Server nimmt NVMe ernst, Storage-Profis zweifeln](https://www.mrplanb.com/de/blog/windows-server-finally-got-serious-about-nvme-and-storage-people-still-don-t-trust-it-yet) - Windows Server 2025 liefert bei nativem NVMe starke Benchmarks. Warum Storage-Admins trotzdem auf NVMe-oF und belastbare QA warten. - [Nur ein einfaches Backup: Von Kopia-Fehler zu BlinkDisk](https://www.mrplanb.com/de/blog/i-just-wanted-a-simple-backup-how-a-kopia-error-turned-into-a-blinkdisk-love-story-and-a-lesson-) - Ein Mini-PC mit Ubuntu, ein Windows-Laptop, ein Ziel: Dateien auf einen Heimserver sichern. Wie ein Kopia-Fehler zu BlinkDisk und Homelab-Realität führte. - [Stirbt VMware? Die Sorgen der Admins und was dran ist](https://www.mrplanb.com/de/blog/is-vmware-dying) - Wie sieht die Zukunft für VMware-Admins aus? Weniger Stellen, steigende Preise, abspringende Kunden und welche Fähigkeiten jetzt weiterhelfen. - [„Sofort deinstallieren“: Huntarr-Panik erschüttert TrueNAS](https://www.mrplanb.com/de/blog/uninstall-it-now-the-huntarr-panic-that-shook-truenas-and-sparked-a-supply-chain-wake-up-call) - Wie Huntarr aus dem TrueNAS-App-Katalog verschwand, was die Community über FOSS-Vertrauen stritt und was Self-Hoster zur Supply Chain lernen. - [Eine GPU für VMs und LXC in Proxmox? Nicht beides zugleich](https://www.mrplanb.com/de/blog/you-can-t-have-it-both-ways-the-hard-truth-about-sharing-a-single-gpu-between-vms-and-lxc-in-pro) - GPU-Passthrough an eine VM in Proxmox 9.1 läuft, doch dieselbe GPU parallel für LXC-Container nutzen? Warum das nicht gleichzeitig geht. - [Ihr lokaler DNS-Filter wird wohl gerade umgangen](https://www.mrplanb.com/de/blog/your-local-dns-filter-is-probably-being-bypassed-right-now-and-you-don-t-even-know-it) - AdGuard Home, Blocklisten, DHCP auf den eigenen Resolver: Trotzdem umgehen viele Geräte den DNS-Filter, von hartkodierten Servern bis DNS-over-HTTPS. - [ESXi 8.0U3e auf 8.0U3h: Kostenlos ist nicht mehr kostenlos](https://www.mrplanb.com/de/blog/free-isn-t-free-anymore-the-brutal-reality-of-updating-esxi-8-0u3e-to-8-0u3h-without-paying-a-ce) - Warum ESXi-Patch-Updates von Berechtigungen abhängig sein können und was das für Nutzer der kostenlosen Stufe bedeutet. - [IBMs 31-Milliarden-Tiefschlag: Knackt KI den Burggraben?](https://www.mrplanb.com/de/blog/ibm-s-31-billion-gut-punch-is-ai-finally-cracking-big-blue-s-unbreakable-moat) - IBM verlor an einem Tag 31 Milliarden Dollar Börsenwert. Was der Absturz über KI-Disruption, alte Burggräben und mögliche Überreaktion sagt. - [Drei Entwickler und KI gegen VMware: ein Realitätscheck](https://www.mrplanb.com/de/blog/you-think-three-developers-and-ai-can-replace-vmware-the-brutal-reality-facing-every-next-big-vi) - Was eine glaubwürdige VMware-Alternative braucht: Hardware-Support, Kernel-Engineering, jahrelange F&E und das Vertrauen von Enterprise-Kunden. - [TrueNAS 25.10.2: die wichtigsten Fixes im Überblick](https://www.mrplanb.com/de/blog/truenas-25-10-2-is-here-and-it-s-the-kind-of-update-that-quietly-saves-you-from-disaster) - Ein praktischer Überblick über TrueNAS-25.10.2-Fixes, die Upgrade-Fehler, SMB-Migrationsprobleme und NFS-Grenzfall-Instabilität verhindern. - [TrueNAS: Keine NAS-Paywall, doch das Vertrauen hat Risse](https://www.mrplanb.com/de/blog/truenas-isn-t-paywalling-your-nas-but-the-trust-crack-is-already-there) - Eine Analyse der v26.04-Paywall-Debatte, was TrueNAS-Mitarbeiter tatsächlich klargestellt haben und warum die Vertrauenswahrnehmung trotzdem zählt. - [Warum etcd in Kubernetes bei Skalierung versagt](https://www.mrplanb.com/de/blog/why-etcd-breaks-at-scale-in-kubernetes) - Warum etcd in großen Kubernetes-Clustern an Grenzen stößt: eine r/kubernetes-Diskussion zu Kompromissen, etcd-Sharding und Produktionsrealität. - [Können wir einen KI-Megathread bekommen?](https://www.mrplanb.com/de/blog/can-we-get-an-ai-megathread) - Ein r/kubernetes-Thread diskutiert, ob ein KI-Megathread oder ein Verbot die Flut vibegecodeter Projektposts besser eindämmt. - [BTRFS in Proxmox-VMs: Flexibilität oder CoW-auf-CoW-Falle?](https://www.mrplanb.com/de/blog/btrfs-inside-proxmox-vms-smart-flexibility-or-a-cow-on-cow-trap-waiting-to-happen) - BTRFS in Proxmox-VMs bringt Snapshots und Subvolumes, doch CoW auf CoW, besonders auf ZFS-Hosts, kostet spürbar IO-Leistung und fördert Fragmentierung. - [CNC-Maschinen an einen Proxmox-Server anbinden](https://www.mrplanb.com/de/blog/i-m-a-machinist-not-it-the-raw-frustrated-brilliant-reality-of-wiring-cncs-into-a-proxmox-server) - Aus der Werkstatt: CNC-Workflows weg von einem störanfälligen PC, hin zu Proxmox, solidem Netzwerkdesign und Dateiübertragung, die wirklich funktioniert. - [25GbE und Ceph: Benchmarks aus meinem 3-Node-Lab](https://www.mrplanb.com/de/blog/your-25gbe-dream-is-slamming-into-a-wall-the-brutal-truth-about-my-3-node-ceph-cluster) - Ein 3-Node-Proxmox-Ceph-Lab mit Enterprise-NVMe und 25GbE sah auf dem Papier perfekt aus, doch Benchmarks zeigten die echten Engpässe kleiner Cluster. - [VMware auslaufen lassen? Die riskante Verlängerungsfrage](https://www.mrplanb.com/de/blog/can-we-let-it-lapse-the-risky-vmware-renewal-question-no-one-wants-to-answer-too-late) - Was passiert, wenn der VMware-Support ausläuft? Risiken, dauerhafte Nutzungsrechte und das Timing beim Wechsel zum VVF-Abonnement. - [Von PVE 5 zu 9: Wenn Legacy-Infrastruktur nicht loslässt](https://www.mrplanb.com/de/blog/from-pve-5-to-9-what-happens-when-legacy-infrastructure-refuses-to-let-go) - Kritische Workloads von Proxmox VE 5 auf 9 migrieren: NAS-Engpässe, das Risiko von i440FX zu Q35 und Taktiken, die Überleben vor Tempo stellen. - [Bewertung von HPE Morpheus als VMware-Ausstiegsstrategie](https://www.mrplanb.com/de/blog/hpe-s-morpheus-gamble-why-it-teams-are-torn-between-escaping-vmware-and-walking-into-another-tra) - Wer HPE Morpheus als Ausweg aus VMware prüft, schwankt zwischen vielversprechenden Laborergebnissen und Vertrauenslücken im Produktivbetrieb. - [Erkannt, aber kein Passthrough: Die ESXi-USB-WLAN-Falle](https://www.mrplanb.com/de/blog/it-shows-up-but-won-t-pass-through-the-esxi-usb-wifi-trap-that-catches-everyone) - Warum USB-WLAN-Passthrough auf ESXi oft scheitert, selbst wenn Geräte in lsusb erscheinen und Quirks konfiguriert sind. - [Java-Monolithen richtig auf Kubernetes betreiben](https://www.mrplanb.com/de/blog/it-works-but-it-feels-wrong-the-real-way-to-run-a-java-monolith-on-kubernetes-without-breaking-y) - Ein praktischer Produktionsleitfaden, um einen Java-Monolithen auf Kubernetes zu betreiben, ohne fragiles NodePort-Klebeband. - [Wie Kubernetes Load Balancer steuert: Ingress, TLS, MetalLB](https://www.mrplanb.com/de/blog/kubernetes-isn-t-your-load-balancer-it-s-the-puppet-master-pulling-the-strings) - Welche Rolle Kubernetes beim Load Balancing spielt: externe LBs, Ingress-Controller, TLS-Terminierung, MetalLB auf Bare Metal und Service Meshes. - [MinIO archiviert: S3-Alternativen für K8s, Helm und Docker](https://www.mrplanb.com/de/blog/minio-repo-archived-spent-2-days-testing-k8s-s3-compatible-alternatives-helm-docker) - Nach der Archivierung des MinIO-Repos im Test: Garage, SeaweedFS, RustFS, Ceph und Minimus als K8s-taugliche S3-Alternativen. - [CPU-Limits in Kubernetes-Produktion: Ja oder nein?](https://www.mrplanb.com/de/blog/the-post-is-basically-asking) - Eine bodenständige Einschätzung, wann CPU-Limits helfen, wann sie schaden, und wie Sie basierend auf dem Workload-Verhalten die richtige Wahl treffen. - [VMware-Vollbild mit Lücken: Meist ein Skalierungsproblem](https://www.mrplanb.com/de/blog/this-one-s-almost-always-a-resolution-scaling-mismatch-issue-not-an-actual-fullscreen-bug) - Eine schnelle Troubleshooting-Sequenz für VMware-Vollbild-Lücken in den Ecken, verursacht durch einen Skalierungs-Mismatch der Anzeige. - [2.000 Service Accounts ohne Owner: Die Multi-Cloud-IAM-Krise](https://www.mrplanb.com/de/blog/we-have-2-000-service-accounts-and-no-one-knows-who-owns-them-the-multi-cloud-iam-crisis-nobody-) - Warum unverwaltete Machine Identities über AWS, Azure und GCP hinweg im großen Maßstab zu einer Sicherheits- und Governance-Krise werden. - [Kubernetes sollte uns retten: Ausfälle, die keiner zeigt](https://www.mrplanb.com/de/blog/we-thought-kubernetes-would-save-us-the-production-failures-no-one-puts-on-the-conference-slides) - Ein Erfahrungsbericht über echte Kubernetes-Produktionsausfälle und die menschlichen Faktoren, die sie auslösen. - [Gallium, XCP-ng und Edge: VMware-Alternativen legen zu](https://www.mrplanb.com/de/blog/gallium-xcpng-edge-shift-vmware-alternatives) - Warum XCP-ng und Gallium bei Teams punkten, die verteilte Edge-Infrastruktur, planbare Kosten und einfachen Betrieb über Feature-Dichte stellen. - [Zwei-Knoten-Cluster und Fibre Channel: VMware zu Proxmox](https://www.mrplanb.com/de/blog/two-node-clusters-fibre-channel-vmware-proxmox-migration) - Ein IT-Team mit 10 Clustern und 21 Hosts weltweit migriert komplett von VMware zu Proxmox und stößt auf Storage-Hürden, die keine Herstellerdoku nennt. - [S3, B2 oder Wasabi? Die wahren Kosten liegen im Restore](https://www.mrplanb.com/de/blog/s3-b2-wasabi-real-cost-cheap-cloud-storage) - S3, B2 und Wasabi für Media-Teams ab 15 TB pro Monat: warum Egress, Archiv-Tiers und Restore-Häufigkeit den TB-Preis schlagen. - [NetApp vs. Pure vs. Dell: Storage-Refresh mit Zukunftsfrage](https://www.mrplanb.com/de/blog/the-storage-refresh-that-starts-as-netapp-vs-pure-vs-dell-and-ends-as-a-fight-over-your-future-self) - Ein 80-TiB-Refresh für eine kleine VMware-Umgebung: Pure, NetApp, Dell und Hitachi im Vergleich, samt Evergreen-Debatte und Support-Realität. - [Zabbix vs. LibreNMS 2026: Welches Tool gewinnt? [Getestet]](https://www.mrplanb.com/de/blog/zabbix-vs-librenms-k12-network-monitoring) - Zabbix vs. LibreNMS im Test: Einrichtungszeit, Auto-Discovery und welches Tool zur Personalsituation kleiner IT-Teams in Schulbezirken passt. - [Microsoft erzwingt MFA für 365-Admins und bricht Workflows](https://www.mrplanb.com/de/blog/microsoft-365-mfa-forcing-admins-breaking-workflows) - Microsofts Pflicht-MFA für 365-Admin-Konten überrumpelt Teams, bricht alte Workflows und erzwingt überfällige Sicherheits-Aufräumarbeiten. - [Teilverlängerungen bei VMware: Wie Broadcom den Exit steuert](https://www.mrplanb.com/de/blog/broadcom-vmware-partial-renewals-trap) - Broadcom lässt keine teilweisen VMware-Verlängerungen zu. Kunden müssen alles über Jahre verlängern oder riskant schnell migrieren. - [Minio-Ersatz gesucht? S3 leicht gemacht mit Garage](https://www.mrplanb.com/de/blog/looking-for-a-replacement-for-minio-s3-made-easy-with-garage) - Minio-Ersatz: garage-operator v0.1 bringt einen Kubernetes-Operator für Garage, den leichten, S3-kompatiblen Object Store fürs Self-Hosting. - [Der Traefik-Provider, auf den Proxmox-Nutzer gewartet haben](https://www.mrplanb.com/de/blog/traefik-proxmox-provider-homelab) - Ein neues Traefik-Provider-Plugin bringt Service-Discovery im Docker-Stil auf Proxmox-VMs und -Container und macht manuelles Routing überflüssig. - [Von ESXi zu AHV: Homelab-Neuaufbau mit Nutanix CE](https://www.mrplanb.com/de/blog/esxi-to-ahv-nutanix-ce-homelab-rebuild) - Eine echte Homelab-Migration von VMware 6.7 zu Nutanix CE: reibungslose Installation, AHVs anderes Denken und warum der ESXi-Abschied Erleichterung war. - [Tailscale im Alltag: Vom NAS-Zugriff bis zum Eishockey](https://www.mrplanb.com/de/blog/tailscale-real-world-uses-nas-streaming) - Tailscale löst echte Probleme: NAS-Zugriff von überall, Sport-Blackouts umgehen, sicheres Medien-Streaming und Homelabs ohne Port-Forwarding verbinden. - [Aus für kubernetes/ingress-nginx: Migrations-Playbook 2026](https://www.mrplanb.com/de/blog/the-end-of-kubernetes-ingress-nginx-your-march-2026-migration-playbook) - Im März 2026 endet kubernetes/ingress-nginx: keine CVE-Patches mehr. Wie Sie betroffene Cluster finden und zu Traefik oder Gateway API migrieren. - [Immich in Proxmox LXC: Lohnt sich die Stabilitätswette?](https://www.mrplanb.com/de/blog/immich-proxmox-lxc-stability-gamble) - Immich im Proxmox-LXC klingt elegant, doch in der Praxis zeigen sich Stabilitätsprobleme. Was die Community über LXC- und VM-Ansätze gelernt hat. - [Die 5 besten Zabbix-Alternativen 2026 (im Vergleich)](https://www.mrplanb.com/de/blog/top-5-zabbix-alternatives-enterprise-management) - Zabbix-Alternativen 2026 im Vergleich: Prometheus für Kubernetes, Datadog für SaaS-Observability, PRTG für KMU und welche wirklich zu Ihnen passt. - [KubeDiagrams 0.7.0 ist da!](https://www.mrplanb.com/de/blog/kubediagrams-0-7-0-is-out) - KubeDiagrams 0.7.0 ist da: Das Open-Source-Tool erzeugt Kubernetes-Architekturdiagramme aus Manifesten, Kustomize, Helm, Helmfile und Live-Clustern. - [VMware-ESXi-Root-Passwort verloren? Eine Einbahnstraße](https://www.mrplanb.com/de/blog/lose-root-password-vmware-esxi-one-way-door) - Modernes ESXi bietet keinen Weg, ein verlorenes Root-Passwort wiederherzustellen. Das ist bewusstes Sicherheitsdesign: Neuinstallation statt Rettung. - [Von VMware zu Proxmox: Wenn Windows nicht mehr bootet](https://www.mrplanb.com/de/blog/escaping-vmware-windows-boot-proxmox) - VMwares Lizenzchaos machte den Abschied leicht, doch Windows-VMs quittieren die Migration mit Bluescreen. Was gegen INACCESSIBLE_BOOT_DEVICE hilft. - [Deduplizierungs-Albträume: Was tun, wenn TAR Sie ausbremst](https://www.mrplanb.com/de/blog/deduplication-nightmares-tar-slows-down) - TAR-Archive und Deduplizierung vertragen sich nicht immer. Warum Ihr Backup darunter leidet und welche Alternativen dedup-freundlich archivieren. - [Rancher: Perfektes Kubernetes-Dashboard, bis der Preis kam](https://www.mrplanb.com/de/blog/rancher-price-kubernetes-dashboard) - Rancher gab Plattformteams Ruhe: ein Login, zwanzig Cluster, alles verständlich. Dann stieg der Preis deutlich, und ein naheliegender Ersatz fehlt. - [Was geht in der Kubernetes-Produktion tatsächlich schief?](https://www.mrplanb.com/de/blog/what-actually-goes-wrong-in-kubernetes-production) - Kubernetes-Admins berichten aus der Produktion: kaputtes etcd, zu kleine Subnetze, DockerHub-Rate-Limits und Windows-Nodes. - [Von VMware zu Nutanix: Lektionen aus der Praxis](https://www.mrplanb.com/de/blog/vmware-to-nutanix-migration-lessons) - IT-Profis berichten vom Wechsel von VMware zu Nutanix: Leistung des Move-Tools, Lizenzkosten, Support-Qualität und der kulturelle Wandel. - [VMware-vSphere-Lizenz abgelaufen: Was jetzt?](https://www.mrplanb.com/de/blog/vmware-vsphere-license-expired-now-what) - Läuft das vSphere-Abo ab, laufen die VMs weiter, aber Sie können nichts mehr reparieren. Was wirklich passiert, von Sperren bis zu Anwaltsschreiben. - [Zabbix am Limit: Wann sich ein kommerzielles Upgrade lohnt](https://www.mrplanb.com/de/blog/zabbix-alternative-commercial-upgrade-data-center) - Zabbix sammelt Metriken hervorragend, doch Enterprise-Rechenzentren stoßen an eine Decke. Wann eine kommerzielle Alternative sinnvoll ist. - [Proxmox LXC vs. VM vs. Docker 2026: Was wofür nutzen?](https://www.mrplanb.com/de/blog/docker-lxc-vs-vms-proxmox-debate-2026) - Proxmox LXC, VM oder Docker in LXC? Der Leitfaden vergleicht Sicherheit, Performance, Backups und Betriebsrisiko für jede Workload. - [Prometheus-Counter verhalten sich nicht wie Datadog](https://www.mrplanb.com/de/blog/prometheus-counters-aren-t-broken-but-they-re-breaking-teams-who-treat-them-like-datadog) - Warum Counter-Semantik Teams nach der Migration von Datadog zu Prometheus verwirrt und welche Query-Muster Fehlinterpretationen vermeiden. - [RAM-Größen im Proxmox-Server mischen? Ja, endlich geklärt](https://www.mrplanb.com/de/blog/mixing-ram-sizes-proxmox-server-settled) - Kann man RAM-Größen und -Geschwindigkeiten in einem Proxmox-Server mischen? Die klare Antwort: ja, aber es gibt einen richtigen Weg. - [Ceph, StarWind, Synology: Jede Storage-Idee auf einmal](https://www.mrplanb.com/de/blog/ceph-starwind-synology-storage-turducken) - Wie ich Ceph, StarWind VSAN und Synology gleichzeitig betrieb, weil jeder Versuch, den Storage zu vereinfachen, eine weitere Schicht hinzufügte. - [PveSphere: Großes Proxmox-Versprechen, sofortige Skepsis](https://www.mrplanb.com/de/blog/pvesphere-proxmox-tool-skepticism) - PveSphere startete als produktionsreife Multi-Cluster-Verwaltung für Proxmox VE. Die Community reagiert vorsichtig optimistisch, aber skeptisch. - [Der 200-TB-Tape-Killer: Storage-Profis kennen den Film](https://www.mrplanb.com/de/blog/the-200tb-tape-killer-everyone-wants-to-believe-in-but-storage-people-have-seen-this-movie-before) - HoloMEM verspricht bis zu 200 TB pro Kassette, über 50 Jahre Haltbarkeit und Drop-in-Betrieb in LTO-Autoloadern. Warum Storage-Profis Beweise sehen wollen. - [Proxmox-Migration gescheitert? Es lag nicht an Proxmox](https://www.mrplanb.com/de/blog/why-proxmox-migration-failed-not-proxmox) - Warum Proxmox-Migrationen an ZFS-Speicherdruck, Ceph auf 1GbE und Sector-Alignment scheitern und nicht am Hypervisor. - [Prometheus-RAM von 60 GB auf 20 GB: Die Cardinality-Krise](https://www.mrplanb.com/de/blog/how-one-team-slashed-prometheus-memory-from-60gb-to-20gb-and-exposed-the-silent-cardinality-cris) - Eine Fallstudie: Wie ein Team den Prometheus-Speicher von 60 GB auf 20 GB senkte, toxische Labels fand und zuverlässige Scrapes zurückgewann. - [$3.000 auf $21.000: Broadcoms VMware trifft kleine IT-Teams](https://www.mrplanb.com/de/blog/broadcom-vmware-3k-to-21k-small-it-teams) - VMware-Verlängerungen kosten kleine IT-Teams das Siebenfache. Für viele geht die Rechnung nicht auf, der Wechsel zu Proxmox und Hyper-V läuft. - [Langsame CI-Pipeline? Reparieren Sie QA, nicht die Hardware](https://www.mrplanb.com/de/blog/fix-slow-ci-pipeline-qa-not-hardware) - Braucht Ihre CI-Pipeline eine Stunde, hilft mehr Hardware selten. Die echten Gewinne: Tests stufen, Flakiness beheben, Vertrauen in Feedback zurückholen. - [Ceph, StarWind oder NAS? HA-Storage in Proxmox](https://www.mrplanb.com/de/blog/ceph-starwind-ha-storage-proxmox-middle-ground) - Soll Proxmox-Storage Node-Ausfälle überstehen, landen Sie zwischen Ceph, StarWind VSAN, Cluster-Dateisystemen und NAS. Keine Option passt ganz. - [Prometheus-RAM gesenkt: Die Dashboards waren das Problem](https://www.mrplanb.com/de/blog/prometheus-how-we-slashed-memory-usage-and-discovered-our-dashboards-were-the-real-problem) - Schritt für Schritt Prometheus-Speicherdruck senken: Metriken mit hoher Kardinalität prüfen und teure Query-Gewohnheiten in Dashboards abstellen. - [Cluster auf Eis legen: Der vergessene Proxmox-HA-Schritt](https://www.mrplanb.com/de/blog/proxmox-ha-maintenance-mode-cluster-ice) - Ein Hardware-Upgrade wurde zum Reboot-Sturm im ganzen Cluster, weil HA nicht im Wartungsmodus war. Was schiefging und wie Sie es verhindern. - [Tape sollte tot sein, dann kam jemand mit 50 PB vorbei](https://www.mrplanb.com/de/blog/tape-storage-was-supposed-to-be-dead-then-someone-showed-up-with-50pb-and-a-reality-check) - Zwei IBM-TS4500-Bibliotheken mit je 25 PB an einem abgeschotteten Standort: Lohnt Tape noch, oder sind Ceph, VAST Data und Disk-Systeme die bessere Wahl? - [Warum echte Helden ihre eigenen Exporter bauen](https://www.mrplanb.com/de/blog/because-real-heroes-build-their-own-exporters-and-sometimes-that-s-exactly-the-right-move) - Einen eigenen Exporter zu bauen kann der schnellste Weg zu brauchbarer Observability sein, wenn kritischen Systemen stabile Community-Integrationen fehlen. - [Blackwell auf Proxmox: Wenn Nvidia-Treiber nicht laden](https://www.mrplanb.com/de/blog/blackwell-proxmox-nvidia-drivers-refuse-load) - Nvidias Blackwell-GPUs mit „offenen“ Kernel-Modulen sollten Linux vereinfachen. Doch unter Proxmox 9.1 kompilieren die Treiber und laden nicht. - [Günstigster S3-Storage für Proxmox-Backups 2026](https://www.mrplanb.com/de/blog/s3-storage-boxes-vps-proxmox-backup-2026) - Wasabi vs. Backblaze B2 vs. Hetzner Storage Box für Proxmox Backup Server 2026: echte Monatskosten, Egress-Gebühren und Zuverlässigkeit im Vergleich. - [Proxmox mit SAN: Was beim VMware-Exit schiefgeht](https://www.mrplanb.com/de/blog/proxmox-san-vmware-exit-problem) - Weg von VMware, hin zu Proxmox? Ein SAN-gestützter Cluster verhält sich anders, und diese Erwartungslücke erwischt viele Teams kalt. - [Native Prometheus-Instrumentierung statt OpenTelemetry?](https://www.mrplanb.com/de/blog/why-i-recommend-native-prometheus-instrumentation-over-opentelemetry-and-why-that-title-sparked-) - Ein Plädoyer für native Prometheus-Metrik-Instrumentierung in bestimmten Szenarien, mit klaren Grenzen, wo OpenTelemetry die bessere Wahl bleibt. - [Windows 11 auf Proxmox lahmt bei Power-Usern, aber warum?](https://www.mrplanb.com/de/blog/windows-11-proxmox-performance-broken) - Starke Proxmox-Systeme mit modernen Intel-CPUs zeigen rätselhafte Einbrüche unter Windows 11: Konfigurationsfehler, QEMU-Bug oder 24H2-Regression? - [Proxmox, Stromausfall und initramfs: Eine verlorene Woche](https://www.mrplanb.com/de/blog/proxmox-power-failure-initramfs-boot) - Nach einem Stromausfall wollte initramfs das Root-Dateisystem nicht einhängen. Was schiefging, wie man es debuggt und wie man es behebt. - [120 PB für HPC und KI: Wann Open Source teuer wird](https://www.mrplanb.com/de/blog/the-120pb-storage-question-that-makes-every-just-use-open-source-answer-feel-suddenly-expensive) - 120 Petabyte für HPC und KI in der quantitativen Forschung: eine Storage-Frage, bei der „Nimm doch Open Source“ plötzlich teuer klingt. - [Warum Tesla ClickHouse statt Thanos für Prometheus nutzt](https://www.mrplanb.com/de/blog/why-did-tesla-move-to-clickhouse-instead-of-scaling-thanos-and-what-that-actually-says-about-pro) - Warum große Teams ClickHouse statt Thanos oder Cortex wählen und was diese Entscheidung über Architektur, Kosten und Query-Muster im großen Stil verrät. - [10 Proxmox-Fehler, die Sie vermeiden sollten](https://www.mrplanb.com/de/blog/10-proxmox-mistakes-avoid) - 10 typische Proxmox-Fehler, von ZFS-RAM-Fallstricken bis zu HA-Fehlkonfigurationen, und wie selbst erfahrene Admins sie vermeiden. - [Homelab-Monitoring wurde zum Zweitjob, ganz ohne Bezahlung](https://www.mrplanb.com/de/blog/monitoring-my-homelab-became-a-second-job-and-i-m-not-even-getting-paid) - Wuchernde Monitoring-Stacks im Homelab: Alerting, Dashboards und Zuständigkeiten vereinfachen, bevor Observability zur Beschäftigungstherapie wird. - [200+ VMs zu Proxmox migrieren ist ein Netzwerkproblem](https://www.mrplanb.com/de/blog/migrating-200-vms-proxmox-networking-problem) - Was bei VMware-zu-Proxmox-Migrationen mit 200+ VMs wirklich bricht: undokumentierte Flows, VLANs, fest codierte IPs, MACs und Monitoring. - [Ein Proxmox-Node als Multi-Tenant-Cloud ohne Root-Zugriff](https://www.mrplanb.com/de/blog/proxmox-multi-tenant-self-service-cloud-rbac-sdn) - Ein Proxmox-Node wird zu isolierten Labs pro Projekt: Teams verwalten VMs selbst per GUI, ohne Root-Zugriff und ohne fremde Ressourcen zu sehen. - [SNMP-Traps zentral in Zabbix: Schluss mit Gerät für Gerät](https://www.mrplanb.com/de/blog/stop-touching-every-device-the-smarter-way-to-funnel-snmp-traps-into-zabbix-at-scale) - Zentrale SNMP-Trap-Erfassung und vorlagenbasiertes Routing reduzieren Konfigurationsdrift und machen Zabbix-Monitoring für große Flotten skalierbar. - [Wenn ein Drei-Node-Proxmox-Cluster zum Rechenzentrum wird](https://www.mrplanb.com/de/blog/holy-proxmox-jesus-three-node-cluster-data-center) - Ein Drei-Node-Proxmox-Cluster mit 4,5 TB RAM und Hunderten CPU-Kernen sorgte für Aufsehen, als klar wurde: Das ist echte Produktionsinfrastruktur. - [Proxmox-Updates: Automatisierungsmuster aus der Praxis](https://www.mrplanb.com/de/blog/proxmox-update-strategy-ansible-prayer) - Wie Homelabber Proxmox, LXCs und VMs tatsächlich aktuell halten, von eleganter Ansible-Automatisierung bis zu hoffnungsvollen Neustarts. - [Shell-Hack für Proxmox und SSH: Laufende Sessions im Blick](https://www.mrplanb.com/de/blog/running-sessions-shell-hack-proxmox-ssh) - Ein einfacher .bashrc-Trick, der Sie an laufende screen- und tmux-Sessions erinnert, wenn Sie über SSH an entfernten Proxmox-Systemen arbeiten. - [Mittelstand zieht zu Proxmox um: Bilanz nach sechs Monaten](https://www.mrplanb.com/de/blog/midsize-business-proxmox-migration-savings) - Ein Unternehmen mit 500 Mitarbeitenden wechselt von VMware zu Proxmox. Nach sechs Monaten: meist positiv, manchmal frustrierend, finanziell überzeugend. - [Nach acht Jahren: Juniper-EX-Vorlage mit Virtual Chassis](https://www.mrplanb.com/de/blog/eight-years-of-silence-and-finally-a-juniper-ex-template-that-understands-virtual-chassis) - Eine modernisierte Juniper-EX-Vorlage bringt Virtual-Chassis-Discovery und Sichtbarkeit auf Mitgliederebene für echtes Produktions-Monitoring. - [KI und DevOps: Warum jetzt mehr auf dem Spiel steht](https://www.mrplanb.com/de/blog/ai-didnt-kill-devops-stakes-higher) - Wie KI in DevOps schlechte Entscheidungen schneller und teurer macht, und warum Tempo ohne Verständnis am Ende teure Lektionen bringt. - [Warum viele VMware-Profis 2025 migrieren](https://www.mrplanb.com/de/blog/vmware-pros-ditching-platform-2025) - 2025 entwickelt sich zu einem großen VMware-Migrationsjahr, in dem viele langjährige Betreiber Alternativen für Kosten und Kontrolle prüfen. - [Von Citrix zu Proxmox: Das versehentliche Upgrade](https://www.mrplanb.com/de/blog/citrix-to-proxmox-accidental-upgrade-worked) - Was als ungeplante Flucht vor Büropolitik begann, wurde zur Begeisterung für einen Hypervisor. Wie ein Ingenieur von Citrix zu Proxmox wechselte. - [VirtIOFS ist das Beste, was Sie in Proxmox noch nicht nutzen](https://www.mrplanb.com/de/blog/virtiofs-best-thing-not-using-proxmox) - VirtIOFS ist zum Standard für geteilte Ordner zwischen Host und Gast geworden. Wer noch Samba oder NFS nutzt, verpasst einen einfachen, schnellen Weg. - [Proxmox-Abo: Mehrwert oder Paywall für Stabilität?](https://www.mrplanb.com/de/blog/proxmox-subscription-worth-it-paywall-stability) - Lohnt sich ein Proxmox-Abo? Enterprise-Repo, Socket-Preise, Wert des Supports und wann das No-Subscription-Repo weiterhin ausreicht. - [Die 12-Stunden-Alarmübersicht übersieht das Wichtigste](https://www.mrplanb.com/de/blog/your-12-hour-alert-summary-is-nice-but-here-s-why-it-s-missing-the-most-important-problems) - Warum 12-Stunden-Ereigniszusammenfassungen lang laufende aktive Vorfälle übersehen, und wie man Historie und aktuellen Problemstatus korrekt zusammenführt. - [Schluss mit Citrix? Kasm Workspaces auf Proxmox als VDI](https://www.mrplanb.com/de/blog/kasm-workspaces-proxmox-vdi-setup) - Kasm Workspaces mit Proxmox VE ergibt eine browserbasierte, skalierbare und kostenlose VDI-Alternative zu Citrix und VMware Horizon. - [Echte Geschichten von Kubernetes-Admins aus der Produktion](https://www.mrplanb.com/de/blog/clusterfcked-kubernetes-admin-stories) - Kubernetes im großen Maßstab ist hart. Admins erzählen von YAML-Komplexität, Unterschieden zwischen Anbietern und Druck von oben. - [Zabbix-Server läuft, aber kein Login? Die häufigsten Fehler](https://www.mrplanb.com/de/blog/zabbix-server-running-no-login-common-mistakes) - Zabbix-Server läuft, das Frontend lädt, doch der Login scheitert. Die Checkliste der üblichen Ursachen, von Docker-Networking bis SELinux. - [Fünf Jahre oder nichts: Broadcoms neue VMware-Lizenzierung](https://www.mrplanb.com/de/blog/broadcom-five-year-licensing-virtualization-market) - Broadcoms Vorstoß zu fünfjährigen VMware-Verträgen beschleunigt Migrationsplanung und langfristige Budgetentscheidungen im Virtualisierungsmarkt. - [Von $3.000 auf $47.000: VMware-Lizenzen als Wendepunkt](https://www.mrplanb.com/de/blog/broadcom-vmware-3k-to-47k-shockwave) - Ein VMware-Essentials-Kunde zahlte über Nacht $47.000 statt $3.000. Wie neue Lizenzen Teams zu Proxmox, Hyper-V und anderen Alternativen treiben. - [MinIO im Wartungsmodus: Die besten S3-Alternativen](https://www.mrplanb.com/de/blog/minio-maintenance-mode-s3-alternatives) - MinIO Open Source ist im Wartungsmodus. Warum die Community frustriert ist und welche S3-Alternativen wie Garage, SeaweedFS und Ceph jetzt taugen. - [16, 72, 96 Kerne: Das VMware-Lizenzlabyrinth](https://www.mrplanb.com/de/blog/vmware-licensing-maze-16-72-96-cores) - VMware-Kern-Minimum: 16 Kerne pro Sockel laut Doku, 72 in der Praxis, 96 für vSphere 8. Was Admins berichten und was das für kleine Shops heißt. - [apt upgrade vs. dist-upgrade: die Proxmox-Falle](https://www.mrplanb.com/de/blog/apt-upgrade-vs-dist-upgrade-proxmox-trap) - Wie ein falsches apt upgrade einen Proxmox-8-Host mit Proxmox-9-Paketen mischt, warum dist-upgrade der richtige Befehl ist und welche Rettungswege es gibt. - [Warum Kubernetes 1.35 ein Security-First-Release ist](https://www.mrplanb.com/de/blog/kubernetes-1-35-security-first-release) - Kubernetes 1.35 streicht cgroup v1, härtet die Zertifikatsprüfung, schränkt Impersonation ein und aktiviert User Namespaces standardmäßig. - [Broadcoms CNCF-Spende: Community-Reaktion und Vertrauen](https://www.mrplanb.com/de/blog/broadcom-cncf-donation-damage-control) - Broadcom hat ein Kubernetes-Tool an die CNCF gespendet, doch die Reaktion der Community bleibt aufgrund jüngster Plattform- und Lizenzänderungen gemischt. - [Proxmox im Unternehmen: Fallstricke für VMware-Admins](https://www.mrplanb.com/de/blog/proxmox-enterprise-gotchas-vmware-admins) - VMware-Admins stoßen bei der Proxmox-Migration auf unerwartete Hürden: Storage-Design, NUMA-Tuning und Windows-Lizenzierung. Fallstricke aus der Praxis. - [Stand der KI 2025: Was Top-Performer vom Rest unterscheidet](https://www.mrplanb.com/de/blog/state-of-ai-2025-pilots-transformation) - 88 % der Organisationen nutzen KI, doch nur ein Drittel skaliert. Top-Performer setzen auf transformativen Ehrgeiz, neue Workflows und KI-Agenten. - [Zero-Downtime-Deployments ohne Kubernetes: Bewährte Ansätze](https://www.mrplanb.com/de/blog/zero-downtime-deploys-without-kubernetes) - Zero-Downtime-Deployments gehen auch ohne Kubernetes: bewährte Alternativen mit Load Balancern, Blue-Green-Rollouts und Graceful Shutdown. - [Proxmox-Server aus der Ferne, ganz ohne eingehenden Zugriff](https://www.mrplanb.com/de/blog/remote-proxmox-zero-inbound-access) - Ein Proxmox-Host bei einem Freund, ohne eingehenden Zugriff? Homelabber lösen das mit WireGuard, Tailscale, Cloudflare Tunnel und einem Stück Hardware. - [Warum Homelabs ins Chaos abdriften und wie man es bändigt](https://www.mrplanb.com/de/blog/home-lab-spaghetti-monster-proxmox-chaos) - Homelabs starten sauber und werden schnell chaotisch. Warum Dokumentation, Namenskonventionen und Infrastructure as Code das Spaghetti-Monster zähmen. - [Unraid Manager App ist öffentlich: iOS-Nutzer im Glück](https://www.mrplanb.com/de/blog/unraid-manager-app-ios-release) - Ein Solo-Entwickler hat Unraid Manager für iOS veröffentlicht. Warum die kostenlose App iPhone-Nutzer begeistert und Android-Nutzer noch warten müssen. - [ECC vs. Non-ECC-RAM für Proxmox 2026: Was kaputtgeht](https://www.mrplanb.com/de/blog/ecc-vs-non-ecc-ram-proxmox) - ECC vs. Non-ECC-RAM für Proxmox: echte Risiken für Datenintegrität, wann ZFS ECC wichtiger macht und ob sich der Aufpreis für Homelab oder KMU lohnt. - [Proxmox-9.1-Upgrade: Probleme mit Kernel, Netzwerk und GPU](https://www.mrplanb.com/de/blog/proxmox-9-1-upgrade-kernel-panic-network-gpu) - Proxmox 9.1 bringt neue Features, aber auch Kernel-Panics, Netzwerkabstürze und GPU-Probleme mit Mellanox-NICs, iGPU-Passthrough und Frigate. - [Fertigungs-IT und VCF 9: Mit weniger Stack mehr erreichen](https://www.mrplanb.com/de/blog/manufacturing-it-vcf-minimal-deployment) - Mittelständische Fertiger stehen bei VCF 9 vor der Wahl: voller Stack oder ein minimaler Weg. So bleiben Sie compliant, ohne alles neu aufzubauen. - [Veeam will den Nutanix-AHV-Cluster nicht registrieren](https://www.mrplanb.com/de/blog/veeam-nutanix-ahv-backup-registration-failure) - Veeam mit einem Nutanix-AHV-Cluster verbinden: Der Proxy deployt sauber, registriert sich aber nicht. Portchecks, Zertifikatsrätsel und Community-Hilfe. - [Von ECS zu EKS: Praktische Erkenntnisse aus der Migration](https://www.mrplanb.com/de/blog/ecs-to-eks-kubernetes-migration) - Der Wechsel von ECS zu EKS ist gängig, aber komplex. Dieser Leitfaden zeigt typische Migrationsprobleme und wie Teams sie lösen. - [Mehr RAM kaufen oder weniger Linux Mint installieren?](https://www.mrplanb.com/de/blog/ram-linux-mint-proxmox-memory-management) - Voller RAM im Proxmox-Cluster ist nicht immer ein Hardwareproblem. Manchmal laufen einfach zu viele Desktop-Betriebssysteme und zu wenige Container. - [LXC trifft Docker? Und andere Fragen zu Proxmox 9.1](https://www.mrplanb.com/de/blog/lxc-docker-proxmox-9-1-questions) - Proxmox VE 9.1 bringt OCI-Images für LXC-Container. Antworten auf die größten Fragen: Docker-in-LXC-Fixes, TPM-Änderungen und Upgrade-Stabilität. - [Proxmox 9.1 und Docker: Was OCI-Container leisten](https://www.mrplanb.com/de/blog/proxmox-9-1-oci-containers-docker-reality) - Proxmox 9.1 bringt OCI-Container mit Docker-ähnlichen Funktionen. Was wirklich funktioniert, was nicht und warum es kein echter Docker-Ersatz ist. - [Cloudflares größter Ausfall seit 2019 und die Feature-Datei](https://www.mrplanb.com/de/blog/inside-cloudflare-worst-outage-2019) - Eine geänderte Datenbankberechtigung löste Cloudflares größten Ausfall seit sechs Jahren aus: Eine verdoppelte Feature-Datei legte weltweit Traffic lahm. - [Proxmox VE 9.1 ist da: Neuerungen und Stolperfallen](https://www.mrplanb.com/de/blog/proxmox-ve-9-1-release-whats-new) - Neu in Proxmox VE 9.1: OCI-Images für LXC, vTPM als qcow2, bessere Nested Virtualization, SDN-Einblick und Kernel 6.17, plus Kompatibilitätsfallen. - [Was ist der kostengünstigste Weg, Ceph zuhause zu betreiben?](https://www.mrplanb.com/de/blog/cost-effective-ceph-homelab-builds) - Von Mini-PCs bis zu Pizza-Box-Servern: Homelab-Fans zeigen ihre echten Ceph-Builds und was funktioniert, ohne die Haushaltskasse zu sprengen. - [USB vs. SATA: Die unerwartete Debatte um virtualisiertes PBS](https://www.mrplanb.com/de/blog/usb-vs-sata-pbs-storage-debate) - Wer PBS virtualisieren muss, wählt zwischen USB- und SATA-Storage, und das wird zur Grundsatzfrage über Zuverlässigkeit, Komfort und „gut genug“. - [Oracle Linux vs. VMware: Was der Wechseltest zeigt](https://www.mrplanb.com/de/blog/oracle-linux-vmware-enterprises-test-switch) - Nach Broadcoms Preisplus von 300 % testete ein Konzern Oracle Linux (OLVM) als VMware-Ersatz und stieß auf fehlende Features und 20 Jahre Ökosystem. - [Redundantes DNS zu Hause: VPN, Privatsphäre und Ruhe](https://www.mrplanb.com/de/blog/redundant-dns-home-vpn-privacy-setup) - Hochverfügbares, privates DNS zu Hause mit Pi-hole, Unbound, Keepalived und VPN-Routing: Zuverlässigkeit auf Enterprise-Niveau im Heimnetz. - [Kubecost vs. OpenCost: Schmerzhafter als die Rechnung](https://www.mrplanb.com/de/blog/kubecost-vs-opencost-kubernetes-cost-monitoring) - Teams setzen Kubecost oder OpenCost für Klarheit bei K8s-Kosten ein und landen oft bei Timeouts, Skalierungsproblemen und mühsamen Workarounds. - [Die VCF-Übernahme: Preist sich VMware aus dem Markt?](https://www.mrplanb.com/de/blog/vcf-takeover-vmware-pricing-market) - VMware-VCF-Preisumstellung erklärt: warum die Kosten gestiegen sind, welche Kunden es am stärksten trifft und wie Teams Migrationsoptionen prüfen. - [Warum Unternehmen Docker noch verbieten und Devs es umgehen](https://www.mrplanb.com/de/blog/why-enterprises-ban-docker-devs-workarounds) - Container sind Mainstream, doch viele regulierte Konzerne verbieten Docker auf Entwickler-Rechnern. Warum es die Verbote gibt und wie Teams sie umgehen. - [Opsgenie-Alternativen: Wohin DevOps-Teams jetzt wechseln](https://www.mrplanb.com/de/blog/opsgenie-alternatives-devops-alerting-tools-2025) - Warum DevOps-Teams Opsgenie verlassen und welche Alerting-Tools sie wählen, von Incident.io über FireHydrant und Rootly bis Datadog On-Call. - [VMwares KI-Integration ist da, doch wollen Sysadmins sie?](https://www.mrplanb.com/de/blog/vmware-ai-integration-sysadmin-response) - VMware startet KI mit Intelligent Assist in vDefend, doch Sysadmins sind skeptisch. Warum KI in Produktion Vorsicht auslöst und was VMware tun muss. - [Ingress-NGINX geht in Rente: Was Kubernetes-Teams nutzen](https://www.mrplanb.com/de/blog/ingress-nginx-retiring-kubernetes-favorites) - Ingress-NGINX geht im März 2026 in Rente, doch Kubernetes-Teams sind längst zu Traefik, Envoy Gateway und Cilium gewechselt. Was das Arbeitstier ersetzt. - [VMware-Lizenzierung 2026: Von Essentials zu teuer](https://www.mrplanb.com/de/blog/vmware-licensing-harsh-reality-2026) - VMware-Lizenzierung 2026 erklärt: Folgen der Pro-Core-Preise, Budget-Rechnung für kleine IT-Teams und praktische Alternativen nach Broadcoms Änderungen. - [AWS Backup unterstützt Amazon EKS jetzt nativ](https://www.mrplanb.com/de/blog/aws-backup-native-eks-support) - AWS Backup unterstützt Amazon EKS jetzt nativ und macht eigene Skripte und Drittanbieter-Tools überflüssig. Was das für Kubernetes-DR bedeutet. - [Docker in LXC auf Proxmox: Risiken und Erkenntnisse](https://www.mrplanb.com/de/blog/docker-lxc-ticking-time-bomb-proxmox) - Docker in LXC auf Proxmox wirkt effizient, aber ist es sicher? Erfahrungen aus der Community zu Risiken und Vorteilen von Containern in Containern. - [Nutanix-Backup: HYCU vs. Veeam vs. Cohesity vs. Catalogic](https://www.mrplanb.com/de/blog/hycu-veeam-cohesity-catalogic-nutanix-backup) - HYCU, Veeam, Cohesity oder Catalogic für Nutanix-Backup? Feedback von Betreibern zu Restore-Tempo, Komplexität und Gesamtkosten für kleine Teams. - [Wie ein fehlerhafter API-Aufruf einen Ceph-Cluster lahmlegte](https://www.mrplanb.com/de/blog/ceph-cluster-crash-bad-api-call) - Eine fehlerhafte curl-Anfrage brachte jeden Ceph-Monitor zum Absturz und legte ein Homelab lahm. Wie der Neuaufbau lief und was API-Validierung lehrt. - [Cloud First, Reue später: Was nach der Migration passiert](https://www.mrplanb.com/de/blog/cloud-first-regret-later-it-pros-migration) - IT-Profis berichten, warum Cloud-Migrationen oft mehr kosten als geplant: Lift and Shift, versteckte Gebühren, OPEX-Optik und De-Cloudifizierung. - [Goodbye VMware: Kubernetes und KubeVirt als neues Duo](https://www.mrplanb.com/de/blog/goodbye-vmware-kubernetes-kubevirt-virtualization) - Nach Broadcoms harten Lizenzänderungen wechseln Unternehmen von VMware zu Kubernetes mit KubeVirt. Eine Migrationsgeschichte über Freiheit und Kontrolle. - [SSD-Verschleiß unter Proxmox ohne Enterprise-Budget](https://www.mrplanb.com/de/blog/no-budget-enterprise-drives-proxmox-ssd-wearout) - Proxmox-SSD-Verschleiß senken: Write Amplification reduzieren, ZFS tunen und Consumer-Laufwerke länger nutzen, wenn Enterprise-SSDs zu teuer sind. - [VVF-zu-VCF-Übergang: Was er für VMware-Kunden bedeutet](https://www.mrplanb.com/de/blog/when-virtual-infrastructure-becomes-hostage-vvf-vcf-saga) - Der Wechsel von vSphere Foundation zu VMware Cloud Foundation verschiebt, wem VMware dient: Kleine und mittlere Firmen werden aus dem Ökosystem gepreist. - [Velero nach der Übernahme: Community-Risiko und Notfallpläne](https://www.mrplanb.com/de/blog/fork-it-till-you-make-it-kubernetes-backup-drama) - Als Broadcom Velero übernahm, bereitete sich die Kubernetes-Community aufs Forken vor. Warum Open-Source-Backup-Tools zur Vertrauensfrage werden. - [Proxmox-DC-Migration: Wie die Community das AD-Chaos löste](https://www.mrplanb.com/de/blog/proxmox-dc-migration-saga-active-directory-mess) - Beim Umzug der Domänencontroller von VMware zu Proxmox verschwand die NIC. Wie die Community debuggte und warum man einen DC nie wiederherstellen sollte. - [6.000 Dollar, 12 Platten: Ein 200-TB-Server als Portfolio](https://www.mrplanb.com/de/blog/six-grand-twelve-drives-one-dream-200tb-server-portfolio) - Ein Homelab aus Proxmox, TrueNAS und 192 TB Rohkapazität, gebaut im Wohnzimmer als Kompetenznachweis für den nächsten Karriereschritt. - [Claude, Copilot und Chaos: Wie KI Tech-Teams aushöhlt](https://www.mrplanb.com/de/blog/claude-copilot-chaos-ai-hollowing-tech-teams) - Ein KI-Pilot sollte die Produktivität steigern und wurde zur Sparmaßnahme: Einstellungen fallen weg, Junior-Engineers blicken in eine ungewisse Zukunft. - [IBM-Entlassungen und die KI-Botschaft: Was IT-Teams sagen](https://www.mrplanb.com/de/blog/layoffs-lies-ai-excuse-ibm-holiday-gift-workers) - Ein kritischer Blick auf die IBM-Entlassungen, die Botschaft der „KI-Transformation“ und wie sich Kostendruck auf Technologie-Teams auswirkt. - [Podman vs. Docker: Auf dem Papier vorn, in der Praxis hinten](https://www.mrplanb.com/de/blog/podman-vs-docker-better-paper-losing-practice) - Podman ist rootless, daemonless und sicher, und doch dominiert Docker. Auf dem Papier besser reicht nicht, wenn Doku, Support und Stabilität zählen. - [Tailscale war wieder down: Das sagte das Internet dazu](https://www.mrplanb.com/de/blog/tailscale-was-down-again) - Der Ausfall der Tailscale-Admin-Konsole weckte Interesse an selbst gehosteten Alternativen wie Headscale und Fragen zum Vertrauen in Cloud-VPNs. - [Ceph, HA und der minimal tragfähige Cluster für KMU](https://www.mrplanb.com/de/blog/ceph-ha-minimum-viable-cluster-smbs) - Der kleinste sinnvolle Proxmox-Cluster für Hochverfügbarkeit mit Ceph: von 2 Nodes mit QDevice bis zu den empfohlenen 3 bis 5 Nodes. - [Proxmox: SSD verschwindet nach Neustart, so beheben Sie es](https://www.mrplanb.com/de/blog/proxmox-ssd-vanishing-reboot-issues) - Fehlersuche bei NVMe-SSDs, die in Proxmox-Servern verschwinden: von PCIe-Eigenheiten bis zur Stromversorgung, mit echten Lösungen aus der Community. - [Per RDP auf Linux: Von Windows zu Debian und Ubuntu](https://www.mrplanb.com/de/blog/rdp-linux-beginners-debian-ubuntu) - Wie Einsteiger im Homelab von Windows zu Linux wechseln und RDP auf Debian oder Ubuntu einrichten: ein flüssiger Remote-Desktop ohne Ressourcenhunger. - [Proxmox Helper Scripts: Nützlich oder verstecktes Risiko?](https://www.mrplanb.com/de/blog/helper-scripts-hidden-risks-proxmox-community) - Die Proxmox-Community ist gespalten: Sind Helper Scripts das ultimative Effizienz-Tool oder ein Sicherheitsrisiko? Beide Seiten der Debatte. - [Alte CPUs, neue Tricks: Legacy-Hardware mit Proxmox nutzen](https://www.mrplanb.com/de/blog/legacy-cpu-performance-proxmox) - Läuft Windows 11 auf einem 14 Jahre alten Dual-Xeon? Homelabber zeigen, wie Proxmox alte Hardware zum Lernspielplatz macht, auch ohne Top-Performance. - [MariaDB Operator 25.10: Stateful Workloads auf Kubernetes](https://www.mrplanb.com/de/blog/mariadb-operator-25-10-stateful-kubernetes) - MariaDB Operator 25.10 bringt asynchrone Replikation, automatisches Failover und Snapshot-basierte Replica-Recovery produktionsreif nach Kubernetes. - [P2V für AHV ohne Move? Das machen IT-Profis 2025](https://www.mrplanb.com/de/blog/p2v-ahv-without-move-2025) - Nutanix Move kann keine P2V-Konvertierung für AHV. Das erprobte Playbook für physische Server nach AHV: VirtIO-Treiber, Veeam und etwas Improvisation. - [Unraid 7.2.0: Mobile-UI, API und RAIDZ-Erweiterung](https://www.mrplanb.com/de/blog/unraid-7-2-0-game-changer) - Unraid 7.2.0 bringt eine responsive Mobile-UI, ZFS-RAIDZ-Erweiterung und eine eingebaute API. Was die Community nach dem Upgrade berichtet. - [Broadcom hat vSphere Standard abgeschafft: Was KMUs tun](https://www.mrplanb.com/de/blog/broadcom-killed-vsphere-standard-smbs-doing-instead) - Broadcom stellt vSphere Standard ein und lässt KMUs allein. IT-Profis erzählen ihre Migrationen und warum Proxmox und Hyper-V gerade gewinnen. - [Warum Kubernetes keine native Live-Container-Migration hat](https://www.mrplanb.com/de/blog/kubernetes-live-container-migration) - Kubernetes beherrscht Orchestrierung, aber keine native Live-Migration von Containern. Warum sie fehlt und wie CAST AI mit CRIU die Regeln ändert. - [PBS auf demselben Host? Darum könnten Backups langsam sein](https://www.mrplanb.com/de/blog/pbs-same-host-backup-performance) - Starke Hardware, langsame Backups? Warum Proxmox Backup Server als VM auf demselben Host Engpässe erzeugt und was Sie dagegen tun können. - [Lohnt sich Proxmox-Support? Das sagen echte Nutzer](https://www.mrplanb.com/de/blog/proxmox-support-worth-it-real-users) - Echte Erfahrungen mit dem offiziellen Proxmox-Support, von Betreibern großer Cluster bis zu MSPs. Lohnt sich bezahlter Support für Ihr Deployment? - [Windows-VMs lahm in Proxmox? Der CPU-Typ kann es lösen](https://www.mrplanb.com/de/blog/windows-vms-crawling-proxmox-cpu-fix) - Der CPU-Typ kann Windows-VMs in Proxmox ausbremsen. Warum „host“ nicht immer optimal ist und emulierte Modelle bis zu 15-mal schneller sein können. - [Ephemere Kubernetes-Namespaces: Clever oder Albtraum?](https://www.mrplanb.com/de/blog/ephemeral-kubernetes-namespaces-dev-environments) - Vorteile und Hürden ephemerer Kubernetes-Namespaces für Dev-Umgebungen, vom automatischen Cleanup bis zur Komplexität des State-Managements. - [TrueNAS, Ubuntu oder Unraid für den Offsite-Backup-Server?](https://www.mrplanb.com/de/blog/truenas-ubuntu-unraid-best-backup-server-os) - TrueNAS vs. Ubuntu vs. Unraid für Offsite-Backups: Kosten, Setup-Aufwand, Ransomware-Resilienz und langfristige Wartung im Homelab-Vergleich. - [AWS GovCloud vs. Commercial Cloud nach dem us-east-1-Ausfall](https://www.mrplanb.com/de/blog/aws-govcloud-vs-commercial-cloud-breakdown) - Als us-east-1 ausfiel, lief GovCloud weiter. Warum die isolierte Regierungscloud überlebte und was das über Architektur und echte Resilienz sagt. - [Cloud vs. Couch: Ist VPS 2025 besser fürs Self-Hosting?](https://www.mrplanb.com/de/blog/cloud-vs-couch-vps-better-self-hosting-2025) - Self-Hoster wechseln vom Heimserver zum VPS. Warum die Public Cloud aufholt, wo Heimserver vorn bleiben und wann ein Hybrid-Setup am besten passt. - [VMware vs. Hyper-V: Die unerwarteten Nuancen beim Umstieg](https://www.mrplanb.com/de/blog/vmware-vs-hyperv-unexpected-nuances) - Was sich beim Umstieg von VMware auf Hyper-V wirklich ändert: Networking, SET, Migration, DR ohne SRM und die Lernkurve. - [Grafana gewinnt immer noch: Was ein 40.000-Dollar-Monitoring-Fehlschlag einem DevOps-Team über Tool-Adoption beibrachte](https://www.mrplanb.com/de/blog/grafana-monitoring-tool-adoption-failure) - Wie ein DevOps-Team 40.000 Dollar für eine neue Monitoring-Plattform ausgab, nur um weiterhin Grafana zu verwenden. Eine warnende Geschichte über Tool-Adoption, Kultur und die echten Kosten glänzender neuer Software. - [Innenansicht des AWS-Oktober-Ausfalls: Was schiefging](https://www.mrplanb.com/de/blog/inside-aws-outage-october-2025) - Über 14 Stunden fiel AWS us-east-1 wegen eines DNS-Bugs aus. Was schiefging, wie Automatisierung alles verschlimmerte und was AWS jetzt ändert. - [Proxmox auf Dell PowerEdge: Support und Garantie](https://www.mrplanb.com/de/blog/dell-proxmox-production-compatibility) - Proxmox läuft auf Dell PowerEdge, steht aber nicht auf Dells OS-Liste. Was das für Support, Garantie und den Produktivbetrieb bedeutet. - [Proxmox LVM-Thin läuft voll: So besiegen Nutzer den Bloat](https://www.mrplanb.com/de/blog/proxmox-lvm-thin-storage-bloat-solutions) - Proxmox LVM-Thin läuft voll? Praktische Fixes, um Speicher zurückzugewinnen, Pool-Bloat zu verhindern und Backup- oder VM-Ausfälle zu vermeiden. - [Broadcoms VCF-Umbruch: Der ruhige Leitfaden durchs Chaos](https://www.mrplanb.com/de/blog/broadcom-vcf-shakeup-calm-guide) - Broadcoms VMware-Cloud-Foundation-Lizenzänderungen sind da. Ein ruhiger Leitfaden: was sich ändert, was es bedeutet und wie Sie strategisch reagieren. - [Multi-Region-Failover: Schwerer, als Diagramme zeigen](https://www.mrplanb.com/de/blog/everyone-googled-multi-region-failover) - Als AWS US-East-1 ausfiel, googelten Engineers Multi-Region-Failover. Warum echte Resilienz teurer, komplexer und oft unterfinanziert ist. - [Proxmox-Port 8006 absichern: Wenn die Firewall nicht hört](https://www.mrplanb.com/de/blog/proxmox-port-8006-firewall-frustration) - Warum Proxmox-Port 8006 schwerer zu blockieren ist, als es aussieht: virtuelle Firewalls, VLANs und eine Architektur, die den Port knifflig macht. - [AWS US-EAST-1 Ausfall: Warum die Top-Region zum Risiko wurde](https://www.mrplanb.com/de/blog/aws-east-1-outage-biggest-liability) - AWS US-EAST-1 Ausfall: Ein DNS-Fehler bei DynamoDB störte 82 AWS-Dienste und legte Slack, DockerHub und Ring lahm. Warum die Region zum Risiko wurde. - [GitOps trifft Notfall-Fix: Lektionen aus dem ArgoCD-Betrieb](https://www.mrplanb.com/de/blog/gitops-argocd-emergency-fixes) - GitOps ist in der Theorie sauber, unter Produktionsdruck aber schwierig. Ein Praxisblick auf Notfall-Fixes mit ArgoCD und ihre Kompromisse. - [AWS-Ausfall: Wie die Cloud das halbe Internet lahmlegte](https://www.mrplanb.com/de/blog/when-cloud-breaks-aws-outage-took-down-half-internet) - Am 20. Oktober fielen Amazon, Duolingo, Fortnite und Slack aus. Ursache war erneut AWS US-EAST-1, und das zeigt, wie fragil das Internet ist. - [Proxmox Ceph vs. ZFS: Die Storage-Kriege der Community](https://www.mrplanb.com/de/blog/ceph-vs-zfs-storage-wars-proxmox-community) - Proxmox Ceph vs. ZFS im Homelab: was Ceph an Nodes und Netzwerk verlangt, wann ZFS-Replikation per Snapshot reicht und was zu Self-Hostern passt. - [Proxmox-HA-Storage: Ceph vs. ZFS-Replikation vs. NAS](https://www.mrplanb.com/de/blog/ceph-vs-zfs-vs-nas-proxmox-ha-storage) - Ceph vs. ZFS vs. NAS für Proxmox-HA: Kompromisse, Fehlermuster und Architekturentscheidungen, die die Zuverlässigkeit verbessern, ohne zu überengineeren. - [Moment mal, wo ist die USV-Unterstützung in Proxmox 9?](https://www.mrplanb.com/de/blog/proxmox-9-ups-support-missing) - Nach dem Upgrade auf Proxmox 9 fehlt die USV-Konfiguration in der WebGUI? Ein GUI-Panel dafür gab es nie, und die Community löst es mit NUT. - [Proxmox und iSCSI: Was Ex-VMware-Nutzer wissen müssen](https://www.mrplanb.com/de/blog/proxmox-iscsi-storage-vmware-migration) - Von VMware zu Proxmox gewechselt und die iSCSI-Performance ist ein Albtraum? Sie sind nicht allein. Was falsch läuft und wie Sie es beheben. - [Tailmox 1.2.0: Proxmox-Cluster weltweit sauber verbinden](https://www.mrplanb.com/de/blog/tailmox-1-2-0-proxmox-tailscale) - Tailmox 1.2.0 verbindet Proxmox-Hosts per Tailscale über jede Distanz, ohne VPN-Kopfschmerzen und NAT-Traversal. Warum das für verteilte Homelabs zählt. - [Editing in Prod: Ein Liebesbrief an jeden Break-Glass-SRE](https://www.mrplanb.com/de/blog/editing-prod-sre-breakglass) - GitOps verspricht saubere, wiederholbare Deployments, bis um 2 Uhr nachts der Cluster brennt. Warum kubectl edit in Prod nicht immer eine Sünde ist. - [Von Enterprise-Bloat zu OSS: Kubernetes-Kosten senken](https://www.mrplanb.com/de/blog/enterprise-bloat-oss-cost-cutting) - Ein Team sparte 100.000 $, indem es ein teures Enterprise-API-Gateway durch Kong OSS ersetzte. Warum mehr Teams das hinterfragen sollten. - [Kostenlos, bis es teuer wird: Die CNCF und Open Source](https://www.mrplanb.com/de/blog/open-source-free-until-not-cncf) - Das Internet läuft auf Open-Source-Tools, gepflegt von Freiwilligen, die ausbrennen oder aufgeben können. Was passiert, wenn „kostenlos“ endet? - [Wer braucht Blue-Green? Live-Cluster-Upgrades in der Praxis](https://www.mrplanb.com/de/blog/blue-green-live-cluster-upgrades) - Blue-Green gilt als Goldstandard, doch viele Teams aktualisieren Cluster in-place und überleben es. So sehen Live-Upgrades in der Praxis wirklich aus. - [Zabbix vs. Checkmk vs. Prometheus 2026: Schlankes Monitoring](https://www.mrplanb.com/de/blog/zabbix-vs-checkmk-prometheus-lightweight-monitoring) - Zabbix vs. Checkmk vs. Prometheus für schlankes Monitoring: Einrichtungsaufwand, Auto-Discovery und welches Tool zum Stack kleiner Teams passt. - [Kubernetes-Doku: Gut oder nur das kleinste Übel?](https://www.mrplanb.com/de/blog/kubernetes-docs-good-or-least-terrible) - Zwischen kryptischen PDFs und halbgaren API-Referenzen ist die Kubernetes-Doku vielleicht wirklich gut. Oder nur weniger schlecht als der Rest? - [Maintainer, Märtyrer, Mythen: Wer Kubernetes am Laufen hält](https://www.mrplanb.com/de/blog/maintainers-martyrs-myths-kubernetes-labor) - Wer Kubernetes und die Bibliotheken darunter wirklich pflegt: unbezahlte Freiwillige, wenig Geld von Big Tech, Burnout und Ideen für faire Modelle. - [CUE, Kyaml und der Kampf, YAML zu reparieren](https://www.mrplanb.com/de/blog/cue-kyaml-battle-fix-yaml) - YAML steckt überall in Kubernetes, und Entwickler haben genug. CUE, Kyaml und Jsonnet wollen Konfiguration reparieren, ohne alles über Bord zu werfen. - [Erste Schritte mit Proxmox VE 8](https://www.mrplanb.com/de/blog/getting-started-proxmox) - Eine umfassende Anleitung zur Installation und Konfiguration von Proxmox Virtual Environment für Ihr Homelab. - [Einen Kubernetes-Cluster im eigenen Homelab einrichten](https://www.mrplanb.com/de/blog/kubernetes-homelab-setup) - K3s auf Proxmox einrichten: drei Nodes, MetalLB, Traefik, Cert-Manager, Longhorn und Monitoring mit Prometheus. - [ZFS-Konfigurationsleitfaden für optimale Performance](https://www.mrplanb.com/de/blog/zfs-configuration-guide) - ZFS-Pool-Erstellung, Tuning und Best Practices für Datenintegrität und Geschwindigkeit meistern. ## Blog Posts (ES) - [22 nodos Proxmox hackeados: lo que no vio la recuperación](https://www.mrplanb.com/es/blog/proxmox-nodes-hacked-what-recovery-missed) - Un clúster Proxmox de 22 nodos fue comprometido mediante CVE-2023-54391, y restaurar los hosts no eliminó todas las puertas traseras. - [Dejar VMware recortó un 85% las licencias del Tottenham](https://www.mrplanb.com/es/blog/tottenham-vmware-85-percent-savings) - Tottenham Hotspur dice que sustituir VMware le ahorró más del 85% en licencias, una muestra de por qué las renovaciones ya disparan migraciones. - [Error 156 de NetBackup en Hyper-V: arreglar los snapshots](https://www.mrplanb.com/es/blog/netbackup-hyper-v-error-156-snapshot-failures) - El estado 156 de NetBackup en Hyper-V significa que falló el snapshot, pero no apunta a una única causa universal. - [DayOne solicita una IPO de $5 mil millones en EE. UU.](https://www.mrplanb.com/es/blog/dayone-5b-us-ipo) - DayOne Data Centers, con sede en Singapur, ha pedido de forma confidencial salir a bolsa en EE. UU. para captar unos $5 mil millones, según Bloomberg. - [Automatizar el hosting con Proxmox y WHMCS para proveedores](https://www.mrplanb.com/es/blog/proxmox-hosting-automation-whmcs) - Qué supone que ModulesGarden sea Solution Provider de Proxmox para el hosting con WHMCS: aprovisionamiento, facturación, backup y seguridad multiinquilino. - [¿Veeam es bloatware? Por qué los admins lo ven más difícil](https://www.mrplanb.com/es/blog/veeam-bloatware-complexity-ui-website) - Por qué algunos admins llaman a Veeam bloatware frustrante: una interfaz menos densa, una web de producto confusa y el tiempo que cuesta que coopere. - [Automatización que bloquea comandos peligrosos en producción](https://www.mrplanb.com/es/blog/prevent-dangerous-commands-production-infrastructure-automation) - Listas negras, scripts versionados, permisos acotados, canary, rollback y doble aprobación para que la automatización no lance comandos peligrosos. - [¿Traefik en Docker, en LXC o en una VM sobre Proxmox?](https://www.mrplanb.com/es/blog/should-you-run-traefik-in-docker-lxc-or-a-vm-on-proxmox) - Comparamos Traefik en Docker dentro de una VM, nativo en LXC y en Docker dentro de LXC en Proxmox: aislamiento, seguridad del socket y recuperación. - [Kernel de Proxmox: actualizar agota, ignorarlo es peor](https://www.mrplanb.com/es/blog/proxmox-kernel-updates-are-exhausting-but-ignoring-them-feels-even-worse) - Por qué no paran las actualizaciones del kernel de Proxmox (escapes de contenedores) y cómo el rollback, ir nodo a nodo y Ansible alivian el cansancio. - [MTTD, MTTR, SLO y presupuestos de errores para IA](https://www.mrplanb.com/es/blog/sre-mttd-mttr-slo-error-budgets-burn-rate-ai-infrastructure) - Cómo aplicar MTTD, MTTR, SLO, presupuestos de errores y burn rate a inferencia, entrenamiento e infraestructura de IA, con fórmulas y métricas de panel. - [No necesitas Proxmox Backup Server hasta el día en que sí](https://www.mrplanb.com/es/blog/you-don-t-need-proxmox-backup-server-until-the-day-you-really-really-do) - Proxmox Backup Server parece opcional al principio, y se gana su sitio cuando entran en juego la deduplicación, la visibilidad y planear el peor escenario. - [Nos vamos de Veeam: cuando la lealtad en TI acaba en burnout](https://www.mrplanb.com/es/blog/we-re-done-with-veeam-the-breaking-point-that-turns-it-loyalty-into-burnout) - Fallos recurrentes de backup en S3 y soporte lento queman a equipos de TI con Veeam. Opiniones divididas y dónde encajan Cohesity, Rubrik, Nakivo y Druva. - [Actualicé mis servidores desde un autobús: Proxmox 7 a 9](https://www.mrplanb.com/es/blog/i-upgraded-my-servers-from-a-bus-ride-the-surprisingly-smooth-reality-of-a-proxmox-7-9-upgrade) - Una actualización de Proxmox 7 a 9, aplazada años y lanzada desde un autobús, salió mejor de lo esperado: el papel de Debian y dónde aún se rompe. - [Trabajar en Datadog parece genial hasta que ves el salario](https://www.mrplanb.com/es/blog/datadog-jobs-look-amazing-until-you-see-the-salary) - Una oferta de 115K OTE como solutions engineer de Datadog en Europa abrió un debate sobre sueldo, entrevistas, cultura, días de oficina y rotación. - [Más de 2,000 cuentas de servicio sin dueño: IAM multinube](https://www.mrplanb.com/es/blog/we-have-2-000-service-accounts-and-no-one-knows-who-owns-them-the-multi-cloud-iam-crisis-nobody-) - Por qué las identidades de máquina sin gestionar en AWS, Azure y GCP se convierten en una crisis de seguridad y gobierno a gran escala. - [De ESXi a AHV: cómo es rehacer un homelab con Nutanix CE](https://www.mrplanb.com/es/blog/esxi-to-ahv-nutanix-ce-homelab-rebuild) - Un homelab pasa de un viejo VMware 6.7 a Nutanix Community Edition: instalación sencilla, lo distinto que es AHV y una migración fácil con Nutanix Move. - [10 errores en Proxmox que no quieres cometer](https://www.mrplanb.com/es/blog/10-proxmox-mistakes-avoid) - 10 errores habituales en Proxmox, de la RAM para ZFS y RAIDZ para VMs al quórum de HA, los backups y Docker en el host, y cómo evitar cada uno. - [Por qué los homelabs se complican (y cómo arreglarlo)](https://www.mrplanb.com/es/blog/home-lab-spaghetti-monster-proxmox-chaos) - Los homelabs con Proxmox empiezan limpios y acaban hechos espaguetis. Cómo los ordenan la documentación, los nombres, IaC y la retención de backups. - [De ECS a EKS: lecciones prácticas de migración](https://www.mrplanb.com/es/blog/ecs-to-eks-kubernetes-migration) - Pasar de ECS a EKS es una evolución habitual con una complejidad real. Repasamos los problemas típicos de la migración y cómo los resuelven los equipos. - [RDP en Linux como un profesional: Debian, Ubuntu y más](https://www.mrplanb.com/es/blog/rdp-linux-beginners-debian-ubuntu) - Qué distros y escritorios Linux van mejor con RDP en un homelab Proxmox: Debian con XFCE, Ubuntu, Zorin, Xubuntu y más, con consejos sobre xrdp y VNC. ## Blog Posts (FR) - [22 nœuds Proxmox piratés : ce que la restauration a raté](https://www.mrplanb.com/fr/blog/proxmox-nodes-hacked-what-recovery-missed) - Un cluster Proxmox de 22 nœuds a été compromis via la CVE-2023-54391, et la restauration des hôtes n'a pas supprimé toutes les portes dérobées. - [Quitter VMware a réduit de 85% les licences de Tottenham](https://www.mrplanb.com/fr/blog/tottenham-vmware-85-percent-savings) - Tottenham Hotspur dit avoir réduit ses licences de plus de 85% en quittant VMware : le coût des renouvellements déclenche désormais des migrations. - [Erreur 156 NetBackup sur Hyper-V : corriger les snapshots](https://www.mrplanb.com/fr/blog/netbackup-hyper-v-error-156-snapshot-failures) - Le statut 156 de NetBackup sur Hyper-V signale un échec de snapshot, mais il ne désigne pas une cause unique valable partout. - [DayOne prépare une IPO américaine de 5 milliards de dollars](https://www.mrplanb.com/fr/blog/dayone-5b-us-ipo) - DayOne Data Centers (Singapour) a déposé confidentiellement un dossier d'IPO américaine qui pourrait lever environ 5 milliards de dollars, selon Bloomberg. - [Automatiser l'hébergement Proxmox avec WHMCS](https://www.mrplanb.com/fr/blog/proxmox-hosting-automation-whmcs) - Ce que le statut de Solution Provider Proxmox de ModulesGarden change pour WHMCS : provisioning, facturation, sauvegarde et sécurité multi-tenant. - [Veeam bloatware ? Pourquoi les admins le trouvent plus lourd](https://www.mrplanb.com/fr/blog/veeam-bloatware-complexity-ui-website) - Pourquoi des admins traitent Veeam de bloatware frustrant : interface moins dense, site produit confus, temps passé à le faire coopérer. - [Comment l'automatisation bloque les commandes dangereuses](https://www.mrplanb.com/fr/blog/prevent-dangerous-commands-production-infrastructure-automation) - Liste noire, scripts versionnés, droits limités, canary, retour arrière et double approbation empêchent l'automatisation de lancer des commandes à risque. - [Traefik sur Proxmox : dans Docker, LXC ou une VM ?](https://www.mrplanb.com/fr/blog/should-you-run-traefik-in-docker-lxc-or-a-vm-on-proxmox) - Traefik dans Docker sur une VM, en natif dans LXC ou dans Docker sur LXC : isolation, sécurité du socket et reprise comparées sur Proxmox. - [Noyau Proxmox : des mises à jour épuisantes mais nécessaires](https://www.mrplanb.com/fr/blog/proxmox-kernel-updates-are-exhausting-but-ignoring-them-feels-even-worse) - Pourquoi les mises à jour du noyau Proxmox s'enchaînent (évasion de conteneur, lassitude) et comment rollback, paliers et Ansible les rendent supportables. - [MTTD, MTTR, SLO et burn rate pour l'infrastructure IA](https://www.mrplanb.com/fr/blog/sre-mttd-mttr-slo-error-budgets-burn-rate-ai-infrastructure) - MTTD, MTTR, SLO, budget d'erreur et burn rate pour l'inférence, l'entraînement et l'infrastructure IA : formules, exemples de cibles, indicateurs à suivre. - [Proxmox Backup Server : inutile jusqu'au jour où il sert](https://www.mrplanb.com/fr/blog/you-don-t-need-proxmox-backup-server-until-the-day-you-really-really-do) - Facultatif au premier abord, Proxmox Backup Server trouve sa place avec la déduplication, la visibilité des sauvegardes et la reprise dans le pire des cas. - [Fini Veeam : quand la fidélité IT vire au burn-out](https://www.mrplanb.com/fr/blog/we-re-done-with-veeam-the-breaking-point-that-turns-it-loyalty-into-burnout) - Échecs S3 répétés et support lent mènent des équipes IT au burn-out avec Veeam. Pourquoi les avis divergent et où situer Cohesity, Rubrik, Nakivo et Druva. - [Mise à niveau Proxmox 7 vers 9 depuis un bus, sans accroc](https://www.mrplanb.com/fr/blog/i-upgraded-my-servers-from-a-bus-ride-the-surprisingly-smooth-reality-of-a-proxmox-7-9-upgrade) - Une mise à niveau Proxmox 7 vers 9 longtemps repoussée, lancée depuis un bus, s'est bien mieux passée que prévu. Pourquoi Debian aide, où ça casse encore. - [Les postes chez Datadog font rêver, jusqu'au salaire](https://www.mrplanb.com/fr/blog/datadog-jobs-look-amazing-until-you-see-the-salary) - Une offre Datadog à 115K OTE pour un solutions engineer en Europe a lancé un débat : salaire, entretiens, culture, jours au bureau et turnover. - [2,000+ comptes de service orphelins et l'IAM multicloud](https://www.mrplanb.com/fr/blog/we-have-2-000-service-accounts-and-no-one-knows-who-owns-them-the-multi-cloud-iam-crisis-nobody-) - Pourquoi les identités machine non gérées sur AWS, Azure et GCP deviennent une crise de sécurité et de gouvernance à grande échelle. - [D'ESXi à AHV : reconstruire un homelab sur Nutanix CE](https://www.mrplanb.com/fr/blog/esxi-to-ahv-nutanix-ce-homelab-rebuild) - Un homelab passe d'un vieux VMware 6.7 à Nutanix Community Edition : installation sans accroc, un AHV qui dépayse, migration Nutanix Move indolore. - [10 erreurs Proxmox à éviter (et quoi faire à la place)](https://www.mrplanb.com/fr/blog/10-proxmox-mistakes-avoid) - 10 erreurs Proxmox courantes, de la RAM pour ZFS et du RAIDZ pour les VM au quorum HA, aux sauvegardes et à Docker sur l'hôte, et comment les éviter. - [Pourquoi les homelabs virent au chaos (et comment en sortir)](https://www.mrplanb.com/fr/blog/home-lab-spaghetti-monster-proxmox-chaos) - Un homelab Proxmox démarre propre puis vire au plat de spaghettis. Documentation, nommage, IaC et rétention des sauvegardes aident à le reprendre en main. - [D'ECS à EKS : leçons pratiques d'une migration](https://www.mrplanb.com/fr/blog/ecs-to-eks-kubernetes-migration) - Passer d'ECS à EKS est courant, mais réellement complexe. Ce guide couvre les problèmes de migration fréquents et comment les équipes les gèrent. - [RDP sous Linux pour débutants : Debian, Ubuntu et autres](https://www.mrplanb.com/fr/blog/rdp-linux-beginners-debian-ubuntu) - Les distributions et bureaux Linux les plus adaptés au RDP dans un homelab Proxmox : Debian XFCE, Ubuntu, Zorin, Xubuntu, et des conseils xrdp et VNC.