/etc/nixos/configuration.nix

etcnixosconfiguration.nix.txt

# Edit this configuration file to define what should be installed on
# your system.  Help is available in the configuration.nix(5) man page
# and in the NixOS manual (accessible by running ‘nixos-help’).

{ config, pkgs, ... }:

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

  # Use the GRUB 2 boot loader.
  boot.loader.grub.enable = true;
  boot.loader.grub.version = 2;
  # Define on which hard drive you want to install Grub.
  boot.loader.grub.device = "/dev/sda";

  # networking.hostName = "nixos"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless.

  # Select internationalisation properties.
  # i18n = {
  #   consoleFont = "lat9w-16";
  #   consoleKeyMap = "us";
  #   defaultLocale = "en_US.UTF-8";
  # };

  # List services that you want to enable:

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

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

  # Enable the X11 windowing system.
  services.xserver.enable = true;
  services.xserver.videoDrivers = ["nvidia"];
  services.xserver.layout = "us";
  # services.xserver.xkbOptions = "eurosign:e";

  # Enable xmonad
  services.xserver.windowManager.xmonad.enable = true;
  services.xserver.windowManager.default = "xmonad";
  services.xserver.desktopManager.default = "none";

  # Enable the KDE Desktop Environment.
  # services.xserver.displayManager.kdm.enable = true;
  # services.xserver.desktopManager.kde4.enable = true;

 environment.systemPackages = with pkgs; [ 
     bumblebee

     dmenu
     haskellPlatform
     haskellPackages.xmobar
     haskellPackages.xmonadContrib
     haskellPackages.xmonadExtras
     trayer

     rxvt_unicode
     vim
     emacs
     git

     firefox
     # icedove

     # utilities
     xclip
     virtualbox
 ];
}