{
  config,
  pkgs,
  ...
}: {
  security.pam.services.login.enableGnomeKeyring = true;

  # Use latest kernel.
  boot.kernelPackages = pkgs.linuxPackages_latest;

  # Pick only one of the below networking options.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
  networking.networkmanager.enable = true; # Easiest to use and most distros use this by default.

  # Set your time zone.
  time.timeZone = "Europe/London";

  # Configure network proxy if necessary
  # networking.proxy.default = "http://user:password@proxy:port/";
  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";

  # Select internationalisation properties.
  i18n = {
    defaultLocale = "en_GB.UTF-8";
    # extraLocales = [
    #   "en_GB.UTF-8/UTF-8"
    # ];
    extraLocaleSettings = {
      # LC_CTYPE = "en_GB.UTF-8";
      LC_ALL = "en_GB.UTF-8";
    };
  };
  # console = {
  #   font = "Lat2-Terminus16";
  #   keyMap = "us";
  #   useXkbConfig = true; # use xkb.options in tty.
  # };

  # Configure keymap in X11
  services.xserver.xkb.layout = "us";
  # services.xserver.xkb.options = "eurosign:e,caps:escape";

  # Enable CUPS to print documents.
  services.printing.enable = true;

  # Enable sound.
  # services.pulseaudio.enable = true;
  # OR
  services.pipewire = {
    enable = true;
    pulse.enable = true;
  };

  hardware.bluetooth = {
    enable = true;
    powerOnBoot = true;
  };

  environment.shellAliases = {
    nrs = "sudo nixos-rebuild switch --flake ~/.dotfiles/nixcfgs";
  };

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  # programs.mtr.enable = true;
  programs.gnupg.agent = {
    enable = true;
    # enableSSHSupport = true;
  };

  # List services that you want to enable:

  # Enable the OpenSSH daemon.
  services.openssh.enable = true;

  # Open ports in the firewall.
  # networking.firewall.allowedTCPPorts = [ ... ];
  # networking.firewall.allowedUDPPorts = [ ... ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;

  # Copy the NixOS configuration file and link it from the resulting system
  # (/run/current-system/configuration.nix). This is useful in case you
  # accidentally delete configuration.nix.
  # system.copySystemConfiguration = true;
  nix.settings.experimental-features = [
    "nix-command"
    "flakes"
  ];

  # Enable touchpad support (enabled default in most desktopManager).
  services.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.js0ny = {
    isNormalUser = true;
    extraGroups = [
      "wheel"
      "docker"
      "libvirtd"
      "dialout"
    ]; # Enable ‘sudo’ for the user.
    packages = with pkgs; [
      tree
    ];
  };

  services.flatpak.enable = true;
}