Proxmox
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How to Install Home Assistant on Proxmox
Install Home Assistant OS on Proxmox with a current QCOW2 image, UEFI, USB radio passthrough, NAS backups, and sensible remote access.
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Proxmox Ports: Which Ones to Open, and for What
Every port Proxmox VE listens on: the 8006 web GUI, console and SPICE, corosync 5405-5412, migration 60000-60050, plus Ceph and Backup Server.
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Proxmox Snapshots: How They Work and When to Use
How Proxmox VE snapshots work on each storage type, what the vmstate option really saves, why rollback is one-way, and when a snapshot is not a safety net.
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Proxmox Backup Strategy: vzdump, Retention & Offsite
Build a Proxmox backup plan with vzdump modes, guest consistency, retention schedules, offsite copies, host configuration backups, and restore tests.
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Proxmox Backup Server Setup: Dedup, Prune, and Restores
How to set up Proxmox Backup Server: how chunk deduplication works, why it beats vzdump, prune and GC scheduling, and how to verify restores.
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Proxmox Ceph vs ZFS Replication: When Ceph Is Worth It
When Ceph beats ZFS replication on Proxmox VE, the real node and network minimums, the hardware that actually works, and the operational cost you take on.
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How to Install Proxmox VE: Step-by-Step Install Guide
Install Proxmox VE from ISO to first boot: the installer walkthrough, choosing ext4 vs ZFS, the no-subscription repo switch, and a first-boot checklist.
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Proxmox VE Hardware Requirements: Minimum vs Recommended
Proxmox VE hardware requirements: real minimum vs recommended specs, why ECC matters less than on a NAS, VT-x/VT-d flags, and boot SSD endurance.
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Proxmox Cluster Setup: Corosync, Quorum, and QDevice
Build a Proxmox VE cluster that stays quorate: how Corosync works, why two nodes is a trap, when to add a QDevice, and the network a cluster needs.
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Proxmox GPU Passthrough: IOMMU, VFIO, and the AMD Reset Bug
How to pass a GPU through to a Proxmox VE guest: IOMMU groups, VFIO binding, the AMD vendor-reset problem, and where passthrough actually breaks.
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Proxmox Cloud-Init Templates: Build Once, Clone in Seconds
How to build a reusable Proxmox VE cloud-init VM template: import a cloud image, attach the cloud-init drive, and clone fully configured VMs.
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Proxmox Firewall Not Working? host.fw & the Enable Chain
Why Proxmox VE firewall rules do nothing: the three enable switches, where host.fw lives, pve-firewall localnet, and defaults that avoid lockout.
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Proxmox High Availability: Fencing, HA Rules, and Limits
How Proxmox VE HA works: the CRM and LRM, node affinity rules and priorities, watchdog fencing, shared storage requirements, and what HA cannot save.
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Proxmox LXC vs VM: Which One Should You Use?
LXC containers or KVM virtual machines on Proxmox VE? A guide to overhead, isolation, privileged vs unprivileged, and when passthrough forces a VM.
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Proxmox Network Bridges and VLANs: vmbr0, Tags, and OVS
How Proxmox VE networking works: Linux bridge vs Open vSwitch, VLAN-aware bridges, tagging guests, and applying changes without locking yourself out.
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Proxmox Troubleshooting: Fix Quorum, Storage & VM Errors
Fix Proxmox VE subscription-repository errors, full root storage, lost cluster quorum, and VMs or containers that fail to start after an upgrade.
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Proxmox VE vs VMware ESXi in 2026: The Migration Reality
Proxmox VE vs VMware ESXi after Broadcom's licensing changes: where feature parity is real, what has no equivalent, and the operational gaps that bite.
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Proxmox VE vs TrueNAS SCALE: Which Should Be the Host?
Proxmox VE vs TrueNAS SCALE: which one belongs on bare metal, when to run TrueNAS as a Proxmox VM, and why HBA passthrough is non-negotiable.
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Proxmox ZFS Storage: Pools, Zvols, volblocksize, ARC
How to run Proxmox VE on ZFS: root-on-ZFS layout, zvol-backed VM disks, why volblocksize is set once, and sizing ARC when guests need the RAM.