orange/citrus.nix

{pkgs, ... }:
{
  system.stateVersion = "23.05";

  # Enables flakes and the updated `nix` command
  nix.settings.experimental-features = [ "nix-command" "flakes" ];

  environment.systemPackages = with pkgs; [
    zellij tmux minicom tio lrzsz python3Packages.pyserial
  ];
  programs.fish.enable = true;

  users = {
    # No need to edit users on a single-purpose system.
    mutableUsers = false;
    users = {
      geekygay = {
        shell = pkgs.fish;
        isNormalUser = true;
        extraGroups = [ "wheel" "dialout" ];
        password = "";
        openssh.authorizedKeys.keyFiles = [
          ./authorized_keys
        ];
      };
    };
  };

  # Allow SSH with authorized keys only!
  services.openssh = {
    enable = true;
    settings.PasswordAuthentication = false;
  };
}