/etc/nixos/configuration.nix

configuration.nix

{ config, pkgs, ... }:

{
  imports =
    [
      # Include the results of the hardware scan.
      ./hardware-configuration.nix
    ];

  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  boot.loader.grub.device = "/dev/sda";

  networking.useDHCP = false;
  networking.interfaces.ens3.useDHCP = true;
  networking.hostName = "nix";

  console = {
    font = "Lat2-Terminus16";
    keyMap = "it";
  };

  time.timeZone = "Europe/Madrid";

  environment.systemPackages = with pkgs; [
    wget
    vim
    firefox
    alacritty
  ];

  services.openssh.enable = true;

  sound.enable = true;
  hardware.pulseaudio.enable = true;

  services.xserver = {
    enable = true;
    layout = "it";
    xkbOptions = "eurosign:e";
    displayManager = {
      defaultSession = "xfce";
      lightdm.enable = true;
    };
    desktopManager = {
      xterm.enable = false;
      xfce.enable = true;
    };
  };

  users.users.invra = {
    isNormalUser = true;
    extraGroups = [ "wheel" "audio" "video" ];
  };

  system.stateVersion = "20.03";
}