chore: add a new host and make a few adjustments

flake.nix

@@ -38,7 +38,7 @@
       |> mapAttrs (name: const <| import ./hosts/${name} lib inputs self)
       |> attrsToList
       |> groupBy (host:
-        if host.name == "thegeneralist" then
+        if host.name == "thegeneralist" || host.name == "thegeneralist-central" then
           "nixosConfigurations"
         else
           "darwinConfigurations")

hosts/thegeneralist-central-mbp/configuration.nix

@@ -0,0 +1,33 @@
+# Edit this configuration file to define what should be installed on
+# your system. Help is available in the configuration.nix(5) man page, on
+# https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
+
+{ self, config, pkgs, lib, inputs, ... }:
+
+{
+  imports = [ ./hardware-configuration.nix ./jellyfin.nix ];
+
+  users.knownUsers = [
+    "central"
+  ];
+
+  users.users.central = {
+    name = "central";
+    home = "/Users/central";
+    shell = pkgs.zsh;
+    uid = 502;
+    openssh.authorizedKeys.keys = let
+      inherit (import ../../keys.nix) thegeneralist;
+    in [ thegeneralist ];
+  };
+
+  home-manager = {
+    backupFileExtension = "home.bak";
+    users.central.home = {
+      stateVersion = "25.11";
+      homeDirectory = "/Users/central";
+    };
+  };
+
+  system.stateVersion = 6;
+}

hosts/thegeneralist-central-mbp/default.nix

@@ -0,0 +1,30 @@
+lib: inputs: self: lib.darwinSystem {
+  specialArgs = inputs // { inherit inputs; inherit self; };
+  modules = [
+    # Extensions: nixosModules, darwinModules, overlays
+    ({ pkgs, lib, inputs, ... }: let
+      inherit (lib) attrValues hasAttrByPath getAttrFromPath filter;
+
+      collect = packagePath: (attrValues inputs)
+        |> filter (hasAttrByPath packagePath)
+        |> map (getAttrFromPath packagePath);
+
+      modules = collect [ "darwinModules" "default" ];
+      extensions = {
+        nixpkgs.overlays = collect [ "overlays" "default" ];
+        imports = modules;
+      };
+    in extensions)
+
+    ./configuration.nix
+
+    # Modules
+    ({ pkgs, ... }: let
+      inherit (lib) filter hasSuffix;
+      commonModules = lib.filesystem.listFilesRecursive ../../modules/common |> filter (hasSuffix ".nix");
+      darwinModules = lib.filesystem.listFilesRecursive ../../modules/darwin |> filter (hasSuffix ".nix");
+    in {
+      imports = commonModules ++ darwinModules;
+    })
+  ];
+}

hosts/thegeneralist-central-mbp/hardware-configuration.nix

@@ -0,0 +1,11 @@
+{ lib, ... }:
+
+{
+  # 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;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-darwin";
+}

hosts/thegeneralist-central/configuration.nix

@@ -5,17 +5,14 @@
 { self, config, pkgs, lib, inputs, ... }:
 
 {
-  imports = [ ./hardware-configuration.nix ./jellyfin.nix ];
+  imports = [ ./hardware-configuration.nix ];
 
-  users.knownUsers = [
-    "central"
-  ];
-
-  users.users.central = {
-    name = "central";
-    home = "/Users/central";
+  users.users.thegeneralist = {
+    isNormalUser = true;
+    description = "thegeneralist";
+    extraGroups = [ "wheel" "audio" "video" "input" "scanner" ];
     shell = pkgs.zsh;
-    uid = 502;
+    home = "/home/thegeneralist";
     openssh.authorizedKeys.keys = let
       inherit (import ../../keys.nix) thegeneralist;
     in [ thegeneralist ];
@@ -23,11 +20,34 @@
 
   home-manager = {
     backupFileExtension = "home.bak";
-    users.central.home = {
-      stateVersion = "25.11";
-      homeDirectory = "/Users/central";
+    extraSpecialArgs = { inherit inputs; };
+    users = {
+      thegeneralist = import (self + /modules/home);
     };
   };
 
-  system.stateVersion = 6;
+  age.secrets.hostkey.file = ./hostkey.age;
+  services.openssh.hostKeys = [{
+    type = "ed25519";
+    path = config.age.secrets.hostkey.path;
+  }];
+
+  # Some programs
+  services.libinput.enable = true;
+  programs.firefox.enable = true;
+  programs.zsh.enable = true;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+  # console = {
+  #   font = "Lat2-Terminus16";
+  #   keyMap = "us";
+  #   useXkbConfig = true; # use xkb.options in tty.
+  # };
+
+  system.stateVersion = "24.11";
 }
+

hosts/thegeneralist-central/default.nix

@@ -1,4 +1,4 @@
-lib: inputs: self: lib.darwinSystem {
+lib: inputs: self: lib.nixosSystem {
   specialArgs = inputs // { inherit inputs; inherit self; };
   modules = [
     # Extensions: nixosModules, darwinModules, overlays
@@ -9,7 +9,7 @@ lib: inputs: self: lib.darwinSystem {
         |> filter (hasAttrByPath packagePath)
         |> map (getAttrFromPath packagePath);
 
-      modules = collect [ "darwinModules" "default" ];
+      modules = collect [ "nixosModules" "default" ];
       extensions = {
         nixpkgs.overlays = collect [ "overlays" "default" ];
         imports = modules;
@@ -22,9 +22,9 @@ lib: inputs: self: lib.darwinSystem {
     ({ pkgs, ... }: let
       inherit (lib) filter hasSuffix;
       commonModules = lib.filesystem.listFilesRecursive ../../modules/common |> filter (hasSuffix ".nix");
-      darwinModules = lib.filesystem.listFilesRecursive ../../modules/darwin |> filter (hasSuffix ".nix");
+      linuxModules = lib.filesystem.listFilesRecursive ../../modules/linux |> filter (hasSuffix ".nix");
     in {
-      imports = commonModules ++ darwinModules;
+      imports = commonModules ++ linuxModules;
     })
   ];
 }

hosts/thegeneralist-central/hardware-configuration.nix

@@ -1,11 +1,37 @@
-{ lib, ... }:
+{ config, lib, pkgs, modulesPath, ... }:
 
 {
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+
+  # Wi-Fi stuff
+  nixpkgs.config.allowUnfree = true;
+  hardware.enableAllFirmware = true;
+
+  fileSystems."/" =
+    {
+      device = "/dev/disk/by-label/NIXROOT";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    {
+      device = "/dev/disk/by-label/NIXBOOT";
+      fsType = "vfat";
+      options = [ "fmask=0022" "dmask=0022" ];
+    };
+
+  swapDevices = [{
+    device = "/dev/disk/by-label/swap";
+  }];
+
   # 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.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp4s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp0s20f0u5.useDHCP = lib.mkDefault true;
 
-  nixpkgs.hostPlatform = lib.mkDefault "aarch64-darwin";
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
 }

modules/common/custom-options.nix

@@ -1,11 +1,17 @@
-{ lib, pkgs, ... }:
-
-{
+{ config, lib, pkgs, ... }: let
+  inherit (lib) mkOption types;
+in {
   options = {
-    onLinux = lib.mkOption {
-      type = lib.types.bool;
+    onLinux = mkOption {
+      type = types.bool;
       default = pkgs.stdenv.isLinux;
       description = "Whether the system is running on Linux";
     };
+
+    isServer = mkOption {
+      type = types.bool;
+      default = config.nixpkgs.hostPlatform.isAarch64;
+      description = "Whether the system is a server. Determined by the processor architecture.";
+    };
   };
 }

modules/common/ghostty.nix

@@ -1,30 +1,29 @@
 { pkgs, ... }: {
-# TODO: this
-  # environment.variables = {
-  #   TERMINAL = "ghostty";
-  # };
-  #
-  # home-manager.sharedModules = [{
-  #   programs.ghostty = {
-  #     enable = true;
-  #     package = pkgs.ghostty;
-  #
-  #     clearDefaultKeybinds = false;
-  #     settings = {
-  #       theme = "tokyonight";
-  #       font-family = "JetBrainsMono NL NFM Medium";
-  #       font-size = 16;
-  #
-  #       shell-integration-features = "no-cursor";
-  #
-  #       cursor-style = "block";
-  #       background-opacity = 1;
-  #
-  #       background-blur-radius = 0;
-  #
-  #       gtk-titlebar = false;
-  #       mouse-hide-while-typing = true;
-  #     };
-  #   };
-  # }];
+  environment.variables = {
+    TERMINAL = "ghostty";
+  };
+
+  home-manager.sharedModules = [{
+    programs.ghostty = {
+      enable = true;
+      package = pkgs.ghostty;
+
+      clearDefaultKeybinds = false;
+      settings = {
+        theme = "tokyonight";
+        font-family = "JetBrainsMono NL NFM Medium";
+        font-size = 16;
+
+        shell-integration-features = "no-cursor";
+
+        cursor-style = "block";
+        background-opacity = 1;
+
+        background-blur-radius = 0;
+
+        gtk-titlebar = false;
+        mouse-hide-while-typing = true;
+      };
+    };
+  }];
 }

modules/common/packages.nix

@@ -8,6 +8,10 @@ in {
       neovim
       vim
       home-manager
+
+      gcc
+      gnumake
+      automake
     ;
   };
 }

modules/linux/networking.nix

@@ -1,5 +1,5 @@
-{
-  networking.hostName = "thegeneralist";
+{ config, ... }: {
+  networking.hostName = if config.isServer then "thegeneralist-central" else "thegeneralist";
   networking.networkmanager.enable = true;
   networking.networkmanager.wifi.powersave = false;
 }

modules/linux/nvidia.nix

@@ -1,4 +1,4 @@
-{
+{ lib, config, ... }: lib.mkIf (!config.isServer) {
   hardware.nvidia = {
     open = true;
     modesetting.enable = true;

modules/linux/packages.nix

@@ -1,16 +1,15 @@
-{ pkgs, lib, ...}: let
+{ pkgs, lib, config,  ...}: let
   inherit (lib) attrValues;
 in {
   environment.systemPackages = attrValues {
     inherit (pkgs)
-      protonup-qt
       pipewire
       pwvucontrol
       wireplumber
-      playerctl
-
+      playerctl;
+  } ++ (if (!config.isServer) then (attrValues {
+      inherit (pkgs) protonup-qt
       xsane
-      simple-scan
-    ;
-  };
+      simple-scan;
+  }) else []);
 }

modules/linux/steam.nix

@@ -1,4 +1,4 @@
-{ lib, ... }: {
+{ lib, config, ... }: lib.mkIf (!config.isServer) {
   programs.steam = {
     enable = true;
     remotePlay.openFirewall = true;

secrets.nix

@@ -2,5 +2,7 @@ let
   inherit (import ./keys.nix) thegeneralist;
 in {
   "hosts/thegeneralist/hostkey.age".publicKeys = [ thegeneralist ];
+  "hosts/thegeneralist-central/hostkey.age".publicKeys = [ thegeneralist ];
+
   "modules/linux/tailscale-marshall.age".publicKeys = [ thegeneralist ];
 }