wip nix config; has video driver issues + rendering artifacts

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
    ];
  
  # <nixos/modules/installer/scan/not-detected.nix> (?)
  # file:///nix/store/v44h2if5y45q78k96q06ql06snibj6j0-nixos-manual/share/doc/nixos/index.html#sec-uefi-installation
  # https://zimbatm.com/journal/2016/09/09/nixos-window-dual-boot/
  nixpkgs.config.allowUnfree = true;


  # TODO: make paste on txti.es/pastebin/any other that does custom urls, also znet/ipfs
  # TODO: (!) get wireless working; initialhashedpassword dont do; get windows in grub list 
  # also sexyify grub list with rEFInd or something
  # https://gist.github.com/AcouBass/4f5bcb3410f14bd5063a718b1d53bc4c
  # https://www.reddit.com/r/NixOS/comments/31lx3i/windows_and_nixos_dual_boot
  # https://zimbatm.com/journal/2016/09/09/nixos-window-dual-boot
  # https://nixos.org/nix-dev/2011-July/006400.html

  # file:///nix/store/v44h2if5y45q78k96q06ql06snibj6j0-nixos-manual/share/doc/nixos/options.html#opt-networking.supplicant
  # file:///nix/store/v44h2if5y45q78k96q06ql06snibj6j0-nixos-manual/share/doc/nixos/options.html#opt-networking.wicd.enable
  # file:///nix/store/v44h2if5y45q78k96q06ql06snibj6j0-nixos-manual/share/doc/nixos/options.html#opt-networking.wireless.driver

  # laranxa wpa_supplicant[8543]: Failed to open config file '/etc/wpa_supplicant.conf', error: No such file or directory
  # maybe not prob anymore

  # programs.chromium.defaultSearchProviderSuggestURL
  # services.xserver.libinput.additionalOptions
  # !! services.xserver.multitouch.additionalOptions  

  networking.networkmanager.enable = true;

  boot.loader.grub = {
    enable = true;
    version = 2;  
    device = "/dev/sda"; # or "nodev" for efi only
    #efiSupport = true;
    #efiInstallAsRemovable = true;
    configurationLimit = 5;
  };


  networking.hostName = "laranxa"; # Define your hostname.

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

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

  environment = {
    variables.EDITOR="nano";
  };

  # List packages installed in system profile. To search by name, run:
  # $ nix-env -qaP | grep wget
  environment.systemPackages = with pkgs; [
    acpi acpitool falkon fzf illum
    git gparted heatseeker htop hwinfo 
    kate lynx nix-repl nnn p7zip 
    sakura testdisk tmux wget mkpasswd 
    networkmanager xorg.xbacklight
    #mosh rofi xarchiver
  ];

  services.redshift = {
    enable = true;
    latitude = "43.0389";
    longitude = "87.9065";
    temperature = {
      day = 5500;
      night = 3250;
    };
    brightness = {
      day = "0.80";
      night = "0.35";
    };
  };

  # Some programs need SUID wrappers, can be configured further or are
  # started in user sessions.
  programs.bash.enableCompletion = true;
  programs.mtr.enable = true;
  # programs.gnupg.agent = { enable = true; enableSSHSupport = true; };
  
  programs.nano.syntaxHighlight = true;
  
  # Enable the OpenSSH daemon.
  services.openssh = {
    enable = true;
    passwordAuthentication = true;
    allowSFTP = true;
    ports = [ 22 ];
  };

  # Open ports in the firewall.
  networking.firewall.allowedTCPPorts = [ 22 ];
  networking.firewall.allowedUDPPorts = [ 22 ];
  # Or disable the firewall altogether.
  # networking.firewall.enable = false;
  
  security.rngd.enable = true;
  security.sudo.enable = true;
  powerManagement.powertop.enable = true;
  #TODO: CJDNS things (move by netwrk; also try for vanity address)
  #TODO: services.kbfs.*
  #TODO: onioncat?; also: comb options page in manual for interesting stuff

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

  # Enable the X11 windowing system.
  # more stuff here related to keylights(?)
  services.xserver = {
    enable = true;
    layout = "us";
    xkbOptions = "eurosign:e";
    libinput.enable = true;
    displayManager.sddm.enable = true;
    desktopManager.plasma5.enable = true;
    videoDrivers = [ "ati_unfree" ];
    
    #deviceSection = ''
    #  Identifier      "Card0"
    #  Driver          "intel"
    #  Option          "Backlight"      "intel_backlight"
    #'';

  };

  sound.mediaKeys = {
    enable = true;
    volumeStep = "5%";
  };

  services.actkbd = {
    enable = true;
    bindings = [
      # "Mute" media key
      { keys = [ 121 ]; events = [ "key" ]; command = "${pkgs.alsaUtils}/bin/amixer -q set Master toggle"; }

      # "Lower Volume" media key
      { keys = [ 122 ]; events = [ "key" "rep" ]; command = "${pkgs.alsaUtils}/bin/amixer -q set Master ${config.sound.mediaKeys.volumeStep}- unmute"; }

      # "Raise Volume" media key
      { keys = [ 123 ]; events = [ "key" "rep" ]; command = "${pkgs.alsaUtils}/bin/amixer -q set Master ${config.sound.mediaKeys.volumeStep}+ unmute"; }
    ];
  };

  services.illum.enable = true;
  services.acpid.enable = true;
  hardware.pulseaudio.systemWide = true;  
  
  users.extraUsers.josh = {
    isNormalUser = true;
    uid = 1000;
    extraGroups = ["wheel" "networkmanager" "video"];
    openssh.authorizedKeys.keys = ["ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM9XttuZZylyWAq9QvzoOpxxSLZchxYE9qcBYlwKXluF ed25519-key-20171101 [josh]"];
    initialHashedPassword = "$6$SFdBtvtp$tdhwhRYrEfZv0PWHYVnj2j2US/6GLTGe5geomh1cz2P.Gta9fU3Mmbk5HAxpmD2I32FlC0zPOMv/eRhXX9iY70:17496::::::";
  };

  # 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 = "17.09"; # Did you read the comment?

}