Graystripe

egpu.nix

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+{ config, pkgs, lib, ... }:
+
+let
+  keyValues = (key: values: lib.strings.concatStringsSep " " [
+    key
+    (lib.strings.concatMapStringsSep " " (value: lib.strings.concatStrings [ "\"" value "\"" ]) values)
+  ]);
+
+  keyValue = (key: value: keyValues key [ value ]);
+
+  section = (name: strings: lib.strings.concatStrings [
+    (keyValue "Section" name)
+    (lib.strings.concatStringsSep "\n  " strings)
+    "EndSection"
+  ]);
+
+  nvidia = ({ side, busID }: {
+    system.nixos.tags = [ "eGPU" side ];
+
+    # boot.kernelPackages = lib.mkForce pkgs.linuxPackages;
+
+    # Set X11 to use Nvidia drivers
+    services.xserver.videoDrivers = [ "nvidia" ];
+
+    hardware.opengl.enable = true;
+    hardware.nvidia.package = config.boot.kernelPackages.nvidiaPackages.stable;
+    services.xserver.config = pkgs.lib.mkOverride 0 (lib.strings.concatStringsSep "\n\n" [
+      (section "Module" [ (keyValue "Load" "modesetting") ])
+      (section "Device" [
+        (keyValue "Identifier" "Device0")
+        (keyValue "Driver" "nvidia")
+        (keyValue "BusID" busID)
+        (keyValue "Option" "AllowEmptyInitialConfiguration")
+        (keyValues "Option" [ "AllowExternalGpus" "True" ])
+      ])
+    ]);
+  });
+in {
+  # eGPU specialisation config 
+  specialisation = {
+    eGPUright.configuration = nvidia { side = "right"; busID = "4:0:0"; };
+
+    eGPUleft.configuration = nvidia { side = "left"; busID = "2:0:0"; };
+  };
+}

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1675918889,
+        "narHash": "sha256-hy7re4F9AEQqwZxubct7jBRos6md26bmxnCjxf5utJA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "49efda9011e8cdcd6c1aad30384cb1dc230c82fe",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-22.11",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,15 @@
+{
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-22.11";
+  };
+
+  outputs = { self, nixpkgs, ... }@attrs: {
+    nixosConfigurations.graystripe = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      specialArgs = attrs;
+      modules = [
+        ./graystripe.nix
+      ];
+    };
+  };
+}

graystripe.nix

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+# 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
+      ./egpu.nix
+      ./wireguard.nix
+    ];
+
+  # Nix cache
+  # nix.extraOptions = ''
+  # secret-key-files = /etc/nix/cache-priv-key.pem
+  # '';
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.efi.efiSysMountPoint = "/boot/efi";
+
+  # Setup keyfile
+  boot.initrd.secrets = {
+    "/crypto_keyfile.bin" = null;
+  };
+
+  # Enable swap on luks
+  boot.initrd.luks.devices."luks-8b65fe7f-2115-422f-9443-7c6265d4d8ea".device = "/dev/disk/by-uuid/8b65fe7f-2115-422f-9443-7c6265d4d8ea";
+  boot.initrd.luks.devices."luks-8b65fe7f-2115-422f-9443-7c6265d4d8ea".keyFile = "/crypto_keyfile.bin";
+
+  boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
+
+  fileSystems = {
+    "/".options = [ "compress=zstd" ];
+    "/home".options = [ "compress=zstd" ];
+    "/nix".options = [ "compress=zstd" ];
+    "/root".options = [ "compress=zstd" ];
+  };
+
+  networking.hostName = "graystripe"; # Define your hostname.
+  # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+
+  # Configure network proxy if necessary
+  # networking.proxy.default = "http://user:password@proxy:port/";
+  # networking.proxy.noProxy = "127.0.0.1,localhost,internal.domain";
+
+  # Enable networking
+  networking.networkmanager.enable = true;
+
+  # This makes Spyro Reignighted Trilogy not crash
+  networking.extraHosts =
+    ''
+      0.0.0.0 datarouter.ol.epicgames.com
+      0.0.0.0 datarouter-weighted.ol.epicgames.com
+    '';
+
+  # Set your time zone.
+  time.timeZone = "America/Chicago";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.utf8";
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # Enable the Pantheon Desktop Environment.
+  services.xserver.displayManager.lightdm.enable = true;
+  services.xserver.desktopManager.pantheon.enable = true;
+
+  # Configure keymap in X11
+  services.xserver = {
+    layout = "us";
+    xkbVariant = "";
+  };
+
+  # Enable CUPS to print documents.
+  services.printing.enable = true;
+  services.avahi.enable = true;
+  services.avahi.openFirewall = true;
+  # services.ipp-usb.enable = true;
+
+  # Enable sound with pipewire.
+  sound.enable = true;
+  hardware.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+    # If you want to use JACK applications, uncomment this
+    jack.enable = true;
+
+    # use the example session manager (no others are packaged yet so this is enabled by default,
+    # no need to redefine it in your config for now)
+    #media-session.enable = true;
+  };
+
+  # Enable touchpad support (enabled default in most desktopManager).
+  # services.xserver.libinput.enable = true;
+
+  services.flatpak.enable = true;
+
+  xdg.portal.extraPortals = [ pkgs.xdg-desktop-portal-gtk ];
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.asonix = {
+    isNormalUser = true;
+    description = "Aode";
+    shell = pkgs.zsh;
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [
+      firefox
+    ];
+  };
+
+  users.defaultUserShell = pkgs.zsh;
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = with pkgs; [
+    docker-compose
+    git
+    vim
+    zsh
+
+    protonup
+    protontricks
+    wine-staging
+    winetricks
+
+    usbutils
+    pciutils
+    bolt
+    thunderbolt
+    wireguard-tools
+  ];
+
+  systemd.packages = with pkgs; [
+    bolt
+  ];
+
+  fonts = {
+    enableDefaultFonts = true;
+
+    fonts = with pkgs; [
+      fantasque-sans-mono
+      (nerdfonts.override { fonts = [ "FantasqueSansMono" ]; })
+    ];
+
+    fontconfig.defaultFonts.monospace = [ "Fantasque Sans Mono" "Roboto Mono" ];
+
+    fontDir.enable = true;
+  };
+
+  programs.zsh.enable = true;
+  programs.vim.defaultEditor = true;
+
+  programs.steam = {
+    enable = true;
+    remotePlay.openFirewall = true;
+    dedicatedServer.openFirewall = true;
+  };
+
+  # 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;
+
+  services.fwupd.enable = true;
+  services.fwupd.enableTestRemote = true;
+  services.fwupd.extraRemotes = [
+    "lvfs-testing"
+  ];
+
+  virtualisation.docker.enable = true;
+
+  # Open ports in the firewall.
+  # networking.firewall.allowedTCPPorts = [ ... ];
+  # networking.firewall.allowedUDPPorts = [ ... ];
+  # Or disable the firewall altogether.
+  # networking.firewall.enable = false;
+
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "22.05"; # Did you read the comment?
+
+}

hardware-configuration.nix

@@ -0,0 +1,68 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "thunderbolt" "nvme" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/402a73d2-efb3-4833-9e2c-e484129f2872";
+      fsType = "btrfs";
+      options = [ "subvol=@" ];
+    };
+
+  boot.initrd.luks.devices."luks-7c7d4f5b-969e-4d47-8e8e-c457936314a7".device = "/dev/disk/by-uuid/7c7d4f5b-969e-4d47-8e8e-c457936314a7";
+
+  fileSystems."/boot/efi" =
+    { device = "/dev/disk/by-uuid/7414-0B58";
+      fsType = "vfat";
+    };
+
+  fileSystems."/home" =
+    { device = "/dev/disk/by-uuid/402a73d2-efb3-4833-9e2c-e484129f2872";
+      fsType = "btrfs";
+      options = [ "subvol=@home" ];
+    };
+
+  fileSystems."/root" =
+    { device = "/dev/disk/by-uuid/402a73d2-efb3-4833-9e2c-e484129f2872";
+      fsType = "btrfs";
+      options = [ "subvol=@root" ];
+    };
+
+  fileSystems."/nix" =
+    { device = "/dev/disk/by-uuid/402a73d2-efb3-4833-9e2c-e484129f2872";
+      fsType = "btrfs";
+      options = [ "subvol=@nix" ];
+    };
+
+  fileSystems."/btrfs/nvme" =
+    { device = "/dev/disk/by-uuid/402a73d2-efb3-4833-9e2c-e484129f2872";
+      fsType = "btrfs";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/7c83a814-173c-46ef-a3a6-bfefc02095c9"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp4s0u1u3u4.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp170s0.useDHCP = lib.mkDefault true;
+
+  powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+  # high-resolution display
+  hardware.video.hidpi.enable = lib.mkDefault true;
+}

wireguard.nix

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+{ config, pkgs, ... }:
+
+{
+  networking.firewall = {
+    allowedUDPPorts = [ 51820 ];
+  };
+
+  networking.wg-quick.interfaces = {
+    wg0 = {
+      address = [ "192.168.5.9/24" ];
+      dns = [ "192.168.5.1" ];
+      privateKeyFile = "/etc/wireguard/privatekey";
+      peers = [
+        {
+          publicKey = "lQYGzNIxgUrDmU32rlnmnc72dK7TSH7hxts3tMtE+VQ=";
+          allowedIPs = [ "192.168.5.0/24" "192.168.6.0/24" "192.168.20.0/24" ];
+          endpoint = "wg.asonix.dog:51820";
+          persistentKeepalive = 25;
+        }
+      ];
+    };
+  };
+}