Guides

Guides

Written from things we built and ran on our own servers, with what each was tested on. When something broke along the way, the guide says so — and how we fixed it.

• Installing Proxmox VE 9 on a Debian 13 cloud image: what breaks, and the fixes

  Nine things that broke when we converted a Debian 13 cloud image into a Proxmox VE 9 node — with the exact errors and the fix for each.

  Proxmox VE

• Proxmox lost its network after a reboot? Check for interfaces.new

  Why a Proxmox VE node can come up with no network after you write /etc/network/interfaces and reboot — pvenetcommit and the pending interfaces.new file — and the one-line fix.

  Proxmox VE

• Proxmox VE with one public IP: a NAT bridge and port forwarding for your VMs

  Run several VMs on a Proxmox VE node that has a single public IPv4 address: a private NAT bridge (vmbr1), masquerading, and port forwards to reach each VM.

  Proxmox VE

• Does your VPS support nested virtualization? A 30-second check

  How to check whether a Linux VPS can run hardware-accelerated VMs (for Proxmox VE, KVM or a home-lab) — CPU flags, /dev/kvm and what the results mean.

  Virtualization