#proxmox-ve
Every post tagged proxmox-ve.
Blog posts
How to Fix "Only Root Can Do That" in Proxmox VE (PAM vs PVE Realm Permissions Explained)
Ran a qm or pct command over SSH and got slapped with "only root can do that"? It's almost always a mismatch between PAM and PVE realms, not a bug. Here's what's actually happening and how to fix it properly.
How to Fix a Windows VM Showing the Wrong Time in Proxmox VE (RTC and Local Time Explained)
Windows VMs in Proxmox VE often boot with a clock that's off by several hours. Here's why the RTC and local time setting causes it, and how to fix it for good, from the GUI or the qm command line.
How to Create an Arch Linux VM in Proxmox VE (Step-by-Step Guide)
A beginner's walkthrough for installing Arch Linux as a virtual machine in Proxmox VE, from UEFI VM settings through partitioning, pacstrap, GRUB, and enabling the QEMU Guest Agent.
How to Fix a Full /boot Partition in Proxmox VE by Removing Old Kernels
Proxmox VE's apt upgrade dies with 'No space left on device' and /boot is nearly full? Here's why old kernel packages pile up over time, and how to safely remove them without breaking proxmox-boot-tool or your bootloader.
How to Fix 'VM is Locked' Errors in Proxmox VE (qm unlock and pct unlock Explained)
Proxmox suddenly refuses to start, stop, or edit a VM and shows 'TASK ERROR: VM is locked (backup)' instead. Here's what these locks actually are, how to tell if it's safe to clear one, and the exact qm unlock and pct unlock commands for VMs and LXC containers.
How to Fix 'No Valid Subscription' and Repository Errors in Proxmox VE
Seeing a 'No valid subscription' pop-up or a 401 Unauthorized error when you run apt update on a fresh Proxmox VE install? Here's why it happens and the five-minute fix to switch to the free repository.
How to Fix a Proxmox VE Installer That Won't Boot or Freezes (USB, Secure Boot, and 'No Disks Found' Explained)
The Proxmox VE installer stuck on a black screen, frozen mid-install, or showing no disks at all? Here's how to rebuild your install USB correctly and fix the BIOS, Secure Boot, and storage controller settings that usually cause it.
How to Set Up Proxmox VE Networking on a Dedicated Server With Only One Public IP (Routed vs NAT Explained)
Your Proxmox VM won't get online after installing on a rented dedicated server? Here's why the default bridge fails on providers like Hetzner and OVH, and how to fix it with a routed setup or NAT and port forwarding, with real config examples.
How to Install OpenMediaVault in a Proxmox VE VM (Step-by-Step NAS Setup Guide)
Turn a Proxmox VE virtual machine into a lightweight, easy-to-manage NAS with OpenMediaVault 8. A complete beginner's walkthrough covering VM setup, storage disks, installation, and your first SMB share.
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