If you’ve ever mounted a directory into an unprivileged Proxmox LXC and seen every file owned by nobody (UID 65534), you’ve hit the single most confusing thing about container permissions on Proxmox. The container thinks it’s running as root, but the host has no idea who that root actually is. This guide walks through setting … Read more
When Broadcom finalized its VMware acquisition and reshuffled licensing, thousands of admins started looking for a way out. I am one of them. I run a small homelab with a handful of VMs, and the day my renewal quote doubled, I started researching how to migrate VMs from VMware ESXi to Proxmox. This guide is … Read more
I have rebuilt my Windows 11 VM on Proxmox three times this year alone, and every rebuild taught me something new about getting the configuration right. Setting up a Windows 11 VM on Proxmox with VirtIO drivers and TPM is a specific recipe that differs from older guides you may have bookmarked. Microsoft tightened hardware … Read more
When a workload runs slow and the CPU looks bored, the bottleneck is almost always storage. Inside a virtual machine, that storage is another layer of software on top of someone else’s storage, so guessing gets you nowhere. This guide shows you, step by step, how to benchmark storage performance inside a VM with fio … Read more
That TASK ERROR: KVM Not Supported message in Proxmox is frustrating, especially when you know your CPU should support virtualization. I have hit this exact error twice in my lab, and each time the fix was a combination of one BIOS toggle and two Linux commands. This guide walks you through everything I learned, so … Read more
If you have ever wanted to run a Windows gaming VM with near-native graphics, hand a workstation-class GPU to a Linux container, or isolate a GPU-intensive workload from your Proxmox host, you need GPU passthrough. On Proxmox VE 9, that process is more reliable than it has ever been, but only if IOMMU is enabled … Read more
I learned this the hard way. After a routine apt dist-upgrade rebooted my home lab into kernel 6.14, my gaming VM refused to start, my host froze solid twice, and my ZFS pool suspended itself when I tried to reset the GPU. If your Proxmox GPU passthrough kernel update fix is what you are looking … Read more
I run my home lab on a Dell R720 with TrueNAS SCALE virtualized under Proxmox, and the single biggest unlock was passing an LSI HBA through to the VM. In this guide I’ll walk you through how to virtualize TrueNAS SCALE under Proxmox with an HBA passed through, so the VM gets direct control of … Read more
If you spin up more than a couple of Linux VMs a year, building each one by hand wastes hours. I learned this the hard way running a homelab where every Kubernetes node, every CI runner, and every test box started as a fresh Ubuntu install. Setting up an Ubuntu cloud-init template on Proxmox is … Read more
Proxmox Backup Server (PBS) is a deduplicating backup solution that stores compressed, encrypted snapshots of your VMs and containers so you can restore them to any node in minutes. In this guide, our team walks through every step of creating backups, scheduling them, restoring individual files or entire machines, and backing up your Proxmox host … Read more