{ lib, config, pkgs, hostname, stateVersion, username, desktop, ... }: {
  imports = [ 
      # Services
      ./common/services/openssh.nix
      ./common/services/promtail.nix
      ./common/services/fail2ban.nix
      ./common/services/telegraf.nix
      ./common/services/tailscale.nix
      ./common/services/fwupd.nix

      # NixOS Modules
      ./common/modules/fonts.nix       # Font Configs
      ./common/modules/networking.nix  # Initial Networking configs
      ./common/modules/nixos.nix       # NixOS related items

      ./users/${username}
      ./hosts/${hostname}
    ] ++ lib.optional (builtins.isString desktop) ./common/desktops/${desktop};

  # List packages installed in system profile
  environment.systemPackages = with pkgs; [
    sbctl
    powerline-go
    wget
    killall
    curl
    glxinfo
    neofetch
    rsync
    gnupg
    git
    duf
    du-dust
    home-manager
    btop
    iftop
    nload
    iotop
  ];

  # Select internationalisation properties.
  i18n.defaultLocale = "en_US.UTF-8";
  i18n.extraLocaleSettings = {
    LC_ADDRESS = "en_US.UTF-8";
    LC_IDENTIFICATION = "en_US.UTF-8";
    LC_MEASUREMENT = "en_US.UTF-8";
    LC_MONETARY = "en_US.UTF-8";
    LC_NAME = "en_US.UTF-8";
    LC_NUMERIC = "en_US.UTF-8";
    LC_PAPER = "en_US.UTF-8";
    LC_TELEPHONE = "en_US.UTF-8";
    LC_TIME = "en_US.UTF-8";
  };

  system.stateVersion = stateVersion;
}