NixOS configuration

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, ... }:

let pkgs = import <nixpkgs> { overlays = [ (import "/home/luke/git/nixos-rocm") ]; }; in


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

  #nix.package = pkgs.nix_2_4;
  nix.nixPath = [ "nixpkgs=/home/luke/git/nixpkgs" 
                  #"nixpkgs-overlays=/home/luke/git/nixos-rocm"
		  ];
  nix.extraOptions = ''
    experimental-features = nix-command flakes
  '';
  
   system.activationScripts.ldso = pkgs.lib.stringAfter [ "usrbinenv" ] ''
     mkdir -m 0755 -p /lib64
     ln -sfn ${pkgs.glibc.out}/lib64/ld-linux-x86-64.so.2 /lib64/ld-linux-x86-64.so.2.tmp
     mv -f /lib64/ld-linux-x86-64.so.2.tmp /lib64/ld-linux-x86-64.so.2 # atomically replace
   '';

  services.minecraft-server = {
    enable = true;
    eula = true;
  };

  hardware.spacenavd.enable = true;

  # Use the systemd-boot EFI boot loader.
  boot.loader.systemd-boot.enable = true;
  boot.loader.efi.canTouchEfiVariables = true;

  boot.kernelPackages = pkgs.linuxPackages_latest;
  networking.enableIPv6 = false;
    virtualisation.docker.enable = true;
  virtualisation.docker.storageDriver = "devicemapper";
    security.sudo.wheelNeedsPassword = false;
      services.openssh.forwardX11 = true;
  services.openssh.gatewayPorts = "yes";
  services.openssh.extraConfig = ''
    X11UseLocalHost yes
    ListenAddress 0.0.0.0
  '';
  nixpkgs.config.allowUnfree = true;
  services.xrdp.enable = true;
  #services.xrdp.defaultWindowManager = "${pkgs.i3}/bin/i3";
  programs.ssh.startAgent = true;

  hardware.opengl.enable = true;
  hardware.opengl.extraPackages = [ pkgs.rocm-opencl-icd ];
  hardware.opengl.setLdLibraryPath = true;

#  fonts.fonts = with pkgs; [
#    noto-fonts
#    noto-fonts-cjk
#    noto-fonts-emoji
#    liberation_ttf
#    fira-code
#    fira-code-symbols
#    mplus-outline-fonts
#    dina-font
#    proggyfonts
#    terminus
#    dejavu_fonts
#  ];
  fonts.enableDefaultFonts = true;

  services.xserver = {
    enable = true;
    displayManager.gdm.enable = true;
    desktopManager.gnome.enable = true;
#    displayManager.sddm.enable = true;
#    desktopManager.plasma5.enable = true;
#    displayManager.autoLogin = {
#      enable = true;
#      user = "luke";
#    };
#    windowManager.i3.enable = true;
    #videoDrivers = [ "amdgpu" ];
    videoDrivers = [ "nvidia" ];
    xrandrHeads = [ "DVI1" ];
#    xkbOptions = "ctrl:nocaps, altwin:swap_alt_win";
    xkbOptions = "ctrl:nocaps";
    dpi = 220;
    resolutions = [ { x = 3840; y = 2160; } ];
    displayManager.sessionCommands = ''
      ${pkgs.xorg.xrdb}/bin/xrdb -merge <${pkgs.writeText "Xresources" ''
      xterm*savelines: 16384
      xterm*background: black
      xterm*foreground: white
      xterm*termName: xterm-256color
      xterm*vt100.scrollBar: true
      xterm*vt100.scrollbar.width: 8
      xterm*faceName: Lat2-Terminus16
    ''}
  '';
  };

#  services.xserver.displayManager.xserverArgs = [ "-listen tcp" ];
#  services.xserver.enableTCP = true;
  #services.xserver.displayManager.lightdm.extraSeatDefaults = "xserver-allow-tcp=true";
  hardware.enableRedistributableFirmware = true;
  hardware.bluetooth.enable = true;
  services.blueman.enable = true;

  networking.hostName = "snowy"; # Define your hostname.
  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.

  # The global useDHCP flag is deprecated, therefore explicitly set to false here.
  # Per-interface useDHCP will be mandatory in the future, so this generated config
  # replicates the default behaviour.
  networking.useDHCP = false;
  networking.interfaces.enp4s0.useDHCP = true;

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

  networking.nameservers = [ "8.8.8.8" "8.8.4.4" ];

  # Select internationalisation properties.
  console.font = "Lat2-Terminus16";
  console.keyMap = "us";
  i18n = {
      defaultLocale = "en_US.UTF-8";
  };

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

  # List packages installed in system profile. To search, run:
  # $ nix search wget
  environment.systemPackages = with pkgs; [
    emacs wget vim terminus_font
  ];

  # 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;

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

  # Enable sound.
  sound.enable = true;
  hardware.pulseaudio.enable = false;
  hardware.pulseaudio.package = pkgs.pulseaudioFull;

  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    pulse.enable = true;
    jack.enable = true;
  };

  services.jack = {
    jackd.enable = false;
#    jackd.extraOptions = [ "-dalsa" "--device" "hw:3" ];
    # support ALSA only programs via ALSA JACK PCM plugin
    alsa.enable = true;
    # support ALSA only programs via loopback device (supports programs like Steam)
    loopback = {
      enable = true;
      index = 3;
      # buffering parameters for dmix device to work with ALSA only semi-professional sound programs
      #dmixConfig = ''
      #  period_size 2048
      #'';
    };
  };

  # Enable touchpad support.
  # services.xserver.libinput.enable = true;

  # Define a user account. Don't forget to set a password with ‘passwd’.
  users.users.luke = {
    isNormalUser = true;
    extraGroups = [ "wheel" "networkmanager" "video" "tty" "input" "kvm" "kmem" "adm" "utmp" "users" "jackaudio" ];
  };

  # This value determines the NixOS release with which your system is to be
  # compatible, in order to avoid breaking some software such as database
  # servers. You should change this only after NixOS release notes say you
  # should.
  system.stateVersion = "19.09"; # Did you read the comment?

}