====== NixOS ======

===== Erreur =====
<code>
service unit: Unit nixos-rebuild-switch-to-configuration.service was already loaded or has a fragment file.
</code>

===== Solution =====
<code bash>
sudo systemctl stop nixos-rebuild-switch-to-configuration.service
</code>

===== Formatage =====
<code bash>
nix-shell -p nixpkgs-fmt --run "nixpkgs-fmt ."
</code>