{
  meta.nixpkgs = <nixpkgs>;
  defaults = { pkgs, ... }: {
    imports = [ 
      (import <home-manager/nixos>)
      ./modules
    ];
    boot.tmp.useTmpfs = true;
  };
  kat-probook = { name, nodes, ... }: {
    imports = [
      ./machines/kat-probook/configuration.nix
      ./users/home_manager.nix
    ];
    deployment.allowLocalDeployment = true;
    networking.hostName = name;
  };
}