The Vormox blog
Guides, deep dives and product news on automating Proxmox VE at scale.
Blog posts
How to Organize VMs and Containers in Proxmox VE Using Tags (Beginner's Guide)
Proxmox VE lets you label VMs and containers with colored tags, but almost nobody uses them. Here's how to add tags from the GUI and CLI, color-code them, and use the search bar to find any guest in seconds instead of scrolling through your resource tree.
How to Choose the Right CPU Type for a VM in Proxmox VE (host vs kvm64 vs x86-64-v2-AES)
The CPU Type dropdown in Proxmox VE decides which instruction set your VM sees. Learn the difference between host, kvm64, and the x86-64-vN tiers, and how to pick one that won't break live migration.
How to Install Windows Server 2025 on Proxmox VE (Step-by-Step Guide for Beginners)
Setting up a Windows Server 2025 VM on Proxmox VE trips up a lot of first-timers at the disk driver screen. Here's the full walkthrough, from uploading ISOs to installing VirtIO drivers correctly.
Why Is Your Proxmox VE Storage Full? How to Check Disk Usage and Free Up Space
Proxmox says your storage is nearly full, but the numbers don't add up? Here's why local-lvm's usage bar lies to you, how to check real disk usage with pvesm status, lvs, and zfs, and how to safely free up space.
How to Set Up GPU Passthrough in Proxmox VE: A Beginner's Step-by-Step Guide
Give a virtual machine direct control of a real graphics card. This step-by-step guide covers IOMMU, VFIO, and attaching a GPU to a VM for Plex transcoding or gaming.
How to Fix Time Zone and NTP Sync Problems in Proxmox VE (Chrony, timedatectl, and Clock Drift)
Proxmox VE relies on an accurate clock for cluster quorum, TLS certificates, and backup schedules. Here's how to check your sync status, set the right time zone, and fix chrony NTP problems step by step.
Proxmox VE vs VMware ESXi: A Practical Comparison for Admins Considering the Switch
VMware's licensing changes have a lot of admins looking at Proxmox VE. Here's an honest architecture and cost comparison for ESXi admins, plus a real walkthrough of importing a VM with the built-in Import Wizard so you can test it yourself.
How to Rename a Virtual Machine or LXC Container in Proxmox VE
Stuck with a VM called "test123" or a container Proxmox renamed for you after a clone? Here's how to rename both properly, and why a VM's name and a container's hostname aren't the same kind of thing.
How to Fix "Communication Failure (0)" in Proxmox VE (When the Web Interface Won't Load)
Proxmox VE's web interface throwing "Communication failure (0)" usually comes down to one of four things: a full disk, a crashed pveproxy, an expired certificate, or a blocked port. Here's how to find out which, fast.