#homelab
Every post tagged homelab.
Blog posts
How to Enable Nested Virtualization in Proxmox VE (Run a VM Inside a VM)
Learn how to safely enable nested virtualization in Proxmox VE so a guest VM can run its own inner VMs, with steps for Intel and AMD, CPU type settings, and the tradeoffs to know first.
How to Delete an LXC Container in Proxmox VE (Safely, Without Losing Data)
Cleaning up an old test container? Here's how to safely delete an LXC container in Proxmox VE using the web GUI and pct destroy, including the bind-mount gotcha that trips up beginners.
How to Restore Individual Files from a Proxmox Backup Server Snapshot (Without Restoring the Whole VM)
Recover a single deleted file or folder from a VM or LXC backup on Proxmox Backup Server using the File Restore browser or the proxmox-file-restore CLI, without a full restore.
How to Move a Virtual Disk to a Different Storage in Proxmox VE
Learn how to relocate a VM or LXC disk to different storage in Proxmox VE using the GUI's Move Storage option or the qm disk move and pct move-volume commands, live and without reinstalling anything.
How to Auto-Start VMs and LXC Containers on Boot in Proxmox VE
Learn how to make Proxmox VE VMs and LXC containers start automatically after a reboot, using the Start at boot option and startup order settings to control the sequence.
How to Set Up OPNsense as a Virtual Firewall/Router in Proxmox VE
Turn your Proxmox VE host into your router by running OPNsense as a VM. This guide covers WAN/LAN bridge planning, correct VirtIO NIC setup, the checksum-offload bug that silently corrupts traffic, and how to keep a way in if the firewall VM ever fails to boot.
Common Mistakes New Proxmox VE Users Make (And How to Avoid Them)
From deleting local-lvm by accident to locking yourself out with the firewall, these are the beginner mistakes that trip up almost every new Proxmox VE admin — and how to avoid or fix each one.
How to Fix High RAM Usage in Proxmox VE (And What's Actually Normal)
free -h showing 90% used and panicking? Learn why ZFS ARC and KSM make Proxmox VE memory usage look scary, how to tell real pressure from normal caching, and what to actually fix.
Privileged vs Unprivileged LXC Containers in Proxmox VE: Understanding the Security Tradeoffs
Every Proxmox container is created privileged or unprivileged, and that one checkbox decides how much of your host a container escape could reach. Here's what the two modes actually do at the kernel level, and how to choose and convert between them.
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