#proxmox
Every post tagged proxmox.
Blog posts
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 Install WordPress in an LXC Container on Proxmox VE (Self-Hosted Blog or Website for Beginners)
Learn how to install WordPress from scratch in a Proxmox VE LXC container: Apache, MariaDB, PHP, and the WordPress setup wizard, explained step by step for beginners.
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.
Proxmox VE vs TrueNAS Scale: Which One Should You Run in Your Homelab?
Proxmox VE and TrueNAS Scale both use ZFS, but they're built for different jobs. Here's how their virtualization, storage, and app support actually compare, and how to test both safely.
How to Fix 'Could Not Activate Storage' in Proxmox VE (NFS, CIFS, ZFS, and LVM Explained)
Proxmox throwing 'could not activate storage'? Here's how to diagnose and fix NFS, CIFS/SMB, ZFS pool, and LVM activation failures with the exact pvesm, zpool, and vgs commands, without guessing or rebooting blind.
How to Find Your Proxmox VE Server's IP Address After a Headless Install (No Monitor Required)
Just installed Proxmox VE and lost track of the IP address? Here's how to find your server on the network using the console banner, your router's DHCP list, or a quick nmap scan.
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