{
  network = {
    nixConfig = {
      substituters = "https://cache.nixos.org/";
      allow-unsafe-native-code-during-evaluation = "true";
      allow-import-from-derivation = "true";
    };
  };
  dilion = import ../modules/private/system/dilion.nix;
  eldiron = import ../modules/private/system/eldiron.nix;
  backup-2 = import ../modules/private/system/backup-2.nix;
  monitoring-1 = import ../modules/private/system/monitoring-1.nix;

  quatresaisons = import ../modules/private/system/quatresaisons.nix;
}