Dex Nixos

Updating flake

In order to update flake inputs, simply use below commands:

cd ~/dex-nixos
nix flake update

Rebuilding flake with latest changes

To rebuild NixOS which is generated from the flake.nix file, use below commands as root:

cd ~/dex-nixos
nixos-rebuild switch --flake .

Note: Remember than any new files have to be staged first otherwise flake won’t register them and rebuilding will fail.

Resources

• Nix Flakes, Part 1: An introduction and tutorial
• Nix Flakes, Part 2: Evaluation caching
• Nix Flakes, Part 3: Managing NixOS systems
• Practical Nix Flakes