❄️ NixOS on Proxmox

Deploy a minimum NixOS VM on Proxmox at speed

---

Note

The image can be build locally, or by using the included GitHub action.

Credit to @Mayniklas, @NixOS-Pilots and inspired by Mayniklas/nixos-proxmox.

Table of Contents

• Deployment
  • Build the image
  • Upload the image to Proxmox
• Apply config changes
• Contribution
• References

Deployment

Build the image

# build VMA image
nix build .#proxmox-image

Upload the image to Proxmox

Upload the image to a location, that is accessible by Proxmox.

# scp build artifact to Proxmox
scp ./result/*.vma.zst root@<proxmox-ip>:/root/

Create a VM using qmrestore

# import the VM from VMA image
# unique is required to randomize the MAC address of the network interface
# storage is the name of the storage, where we create the VM
qmrestore ./vzdump-qemu-nixos-*.vma.zst 999 --unique true --storage <storage, e.g. local-lvm>

Apply config changes

nixos-rebuild switch --flake .#proxmox-host

Contribution

References

• github.com/MayNiklas/nixos-proxmox
• github.com/NixOS/nixpkgs/.../proxmox-image.nix