configuration.nix

# 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
    ];

  nixpkgs.config.allowUnfree = true;

  # daily gc
  nix.gc = {
    automatic = true;
    dates = "03:15";
  };
  

  # Use the GRUB 2 boot loader.
  boot = {
    kernelModules = [ "kvm-intel" ];
    kernelPackages = pkgs.linuxPackages_latest;
    loader = {
      grub = {
        enable = true;
        version = 2;
        device = "/dev/sda"; # or "nodev" for efi only
        # efiSupport = true;
        # efiInstallAsRemovable = true;
      };
    }; 
  };

  networking = {
    firewall = {
      enable = false;
      allowPing = true;
      allowedTCPPorts = [ 80 443 22 3000 ];
    };
    hostName = "nixos"; # Define your hostname.
    networkmanager.enable = true;
  };

  # Select internationalisation properties.
  i18n = {
    consoleFont = "Lat2-Terminus16";
    consoleKeyMap = "us";
    defaultLocale = "en_US.UTF-8";
  };

  # Set your time zone.
  time.timeZone = "America/Chicago";

  # List packages installed in system profile. To search by name, run:
  # $ nix-env -qaP | grep wget
  environment.systemPackages = with pkgs; [
     wget emacs gitMinimal
  ];

  # Enable the X11 windowing system.
  hardware = {
    opengl.driSupport32Bit = true;
    pulseaudio = {
      enable = true;
      systemWide = false;
    };
  };

  # Enable the OpenSSH daemon.
  services = {
     openssh.enable = true;
     printing.enable = true;
     ntp.enable = true;
     sshd.enable = true; 
     emacs.enable = true;
     postgresql.enable = true;
     xserver = {
       enable = true;
       autorun = false;
       videoDrivers = [ "nvidia" ];
       displayManager.kdm.enable = true;
       desktopManager.kde5.enable = true;
       # xkbOptions = "eurosign:e";
       layout = "us";
     };
  };
  security.sudo = {
    enable = true;
    wheelNeedsPassword = false;
  };

  virtualisation.xen = {
    enable = true;
    trace = true;
    bridge.address = "10.0.1.26";
  };

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users = {
    defaultUserShell = "/run/current-system/sw/bin/zsh";
    extraUsers.dmj = {
      isNormalUser = true;
      uid = 1000;
      extraGroups = [ "wheel" ];
    };
  };

  # zsh
  programs.zsh.enable = true;

  # version
  system.stateVersion = "16.09";
}