Refactor NixOS configuration: Move GUI apps to desktop modules and create headless config

- Move GUI applications from users/jsutter.nix to appropriate desktop modules:
  * office.nix: slack, signal-desktop
  * gaming.nix: discord, stremio
  * plasma.nix: arc-theme, pinentry, tigervnc
  * dev.nix: putty
  * media.nix (new): vlc, deluge

- Create systems/common-headless.nix for server configurations:
  * Remove GUI dependencies (Flatpak, XDG portals, fonts, graphics drivers)
  * Include only essential CLI tools and server packages
  * Disable X server completely

- Simplify skip01 configuration:
  * Remove Intel graphics drivers and OpenGL support
  * Use headless common configuration
  * Keep unified users/jsutter.nix (no split files)

- Update flake.nix to include new media.nix module in desktop systems

Result: Clean separation between desktop and headless configurations
with improved modularity and maintainability.

desktop/dev.nix

@@ -6,6 +6,7 @@ environment.systemPackages = with pkgs; [
    (python3.withPackages(ps: with ps; [ pandas requests python-dotenv pip uv ]))
   nodejs
   rpi-imager
+  putty                   # SSH/Telnet client
   pkgs-unstable.windsurf  # Use windsurf from unstable packages
   ];
 

desktop/gaming.nix

@@ -3,6 +3,8 @@
 {
 
 environment.systemPackages = with pkgs; [
+    discord       # Gaming communication
+    stremio       # Media streaming
 #   parsec-bin
 #   bottles
   ];

desktop/media.nix

@@ -0,0 +1,8 @@
+{ config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    vlc           # Media player
+    deluge        # BitTorrent client
+  ];
+}

desktop/office.nix

@@ -1,11 +1,11 @@
-{ config, pkgs, ... }:
+{ config, pkgs, pkgs-unstable, ... }:
 
 {
-
-
   environment.systemPackages = with pkgs; [
     libreoffice-qt
     thunderbird
+    slack                        # Team communication
+    pkgs-unstable.signal-desktop # Private messaging
 #   gimp  # Temporarily commented out to avoid build errors
 #   calibre
   ];

desktop/plasma.nix

@@ -15,6 +15,9 @@
   
   environment.systemPackages = with pkgs; [
     kdePackages.spectacle
+    arc-theme        # Desktop theme
+    pinentry         # GUI pinentry for GPG
+    tigervnc         # VNC client/server
   ];
 
   # GNUPG Stuff 

flake.nix

@@ -45,6 +45,7 @@
         ./desktop/dev.nix
         ./desktop/office.nix
         ./desktop/gaming.nix
+        ./desktop/media.nix
         ./desktop/virtualization.nix
         ./desktop/crypto.nix
       ];
@@ -77,7 +78,7 @@
       };
       skip01 = mkSystem {
         modules = [
-          ./systems/common.nix
+          ./systems/common-headless.nix
           ./systems/skip01.nix
           ./users/jsutter.nix
           ./servers/common.nix

servers/common.nix

@@ -1,4 +1,9 @@
+{ config, pkgs, ... }:
+
+{
   virtualisation = {
     docker = {
       enable = true;
     };
+  };
+}

systems/common-headless.nix

@@ -0,0 +1,153 @@
+{ config, pkgs, ... }:
+
+{
+  fileSystems."/" =
+    { device = "/dev/disk/by-partlabel/primary";
+      fsType = "btrfs";
+    };
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-partlabel/ESP";
+      fsType = "vfat";
+    };
+
+  # hardware
+  hardware.enableRedistributableFirmware = true;
+  services.fwupd.enable = true;
+
+  # Network
+  networking = {
+    extraHosts = "";
+    networkmanager = {
+      enable = true;
+      plugins = with pkgs; [
+        networkmanager-openvpn
+        networkmanager-openconnect
+      ];
+    };
+    useDHCP = false; # Depreciated
+  };
+
+  # Bootloader
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Kernel
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
+  # Nix
+  nix = {
+    # Automate garbage collection
+    gc = {
+      automatic = true;
+      dates = "weekly";
+      options = "--delete-older-than 7d";
+    };
+    package = pkgs.nixVersions.stable;
+    settings = {
+      auto-optimise-store = true;
+      trusted-users = [ "root" "jsutter" ];
+      experimental-features = [ "nix-command" "flakes" ];
+    };
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Set your time zone.
+  time.timeZone = "America/Los_Angeles";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_US.UTF-8";
+    LC_IDENTIFICATION = "en_US.UTF-8";
+    LC_MEASUREMENT = "en_US.UTF-8";
+    LC_MONETARY = "en_US.UTF-8";
+    LC_NAME = "en_US.UTF-8";
+    LC_NUMERIC = "en_US.UTF-8";
+    LC_PAPER = "en_US.UTF-8";
+    LC_TELEPHONE = "en_US.UTF-8";
+    LC_TIME = "en_US.UTF-8";
+  };
+
+  # Enable CUPS to print documents (disabled for headless)
+  # services.printing.enable = true;
+
+  # Enable sound (disabled for headless)
+  # sound.enable = true;
+  # hardware.pulseaudio.enable = false;
+  # security.rtkit.enable = true;
+  # services.pipewire = {
+  #   enable = true;
+  #   alsa.enable = true;
+  #   alsa.support32Bit = true;
+  #   pulse.enable = true;
+  # };
+
+  # Define a user account. Don't forget to set a password with 'passwd'.
+  users.defaultUserShell = pkgs.zsh;
+  programs.zsh.enable = true;
+
+  # System state version
+  system.stateVersion = "24.05";
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    # Essential CLI tools for server management
+    vim
+    git
+    curl
+    wget
+    htop
+    iotop
+    nethogs
+    ncdu
+    tree
+    unzip
+    zip
+    jq
+    yq
+    tmux
+    screen
+    lsof
+    netcat
+    nmap
+    tcpdump
+    iftop
+    dnsutils
+    whois
+    rsync
+    pciutils
+    sysstat
+    powertop
+    gnupg
+    p7zip
+    openssl
+    gnumake
+    kopia
+    dig
+    python3
+    pv
+    stress
+    s-tui
+    clinfo
+    fwupd
+  ];
+
+  # No GUI services for headless
+  # services.flatpak.enable = false; # Explicitly disabled
+
+  # No fonts needed for headless
+  # fonts.packages = []; # No GUI fonts needed
+
+  # Disable X server completely for headless
+  services.xserver.enable = false;
+  
+  # Disable documentation to save space
+  documentation.nixos.enable = false; 
+
+  # Network optimizations
+  systemd.network.wait-online.enable = false;
+  boot.initrd.systemd.network.wait-online.enable = false;
+}

systems/skip01.nix

@@ -6,13 +6,12 @@
 
   # Boot and kernel modules for Intel NUC
   boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usb_storage" "sd_mod" ];
-  boot.initrd.kernelModules = [ "i915" ]; # Intel integrated graphics
+  boot.initrd.kernelModules = [ ]; # No graphics drivers needed for headless
   boot.kernelModules = [ "kvm-intel" ]; # Intel virtualization support
   boot.extraModulePackages = [];
   
-  # Intel-specific kernel parameters
+  # Server-specific kernel parameters
   boot.kernelParams = [
-    "i915.enable_guc=2"  # Enable GuC and HuC for better power management
     "intel_iommu=on"     # Enable IOMMU for virtualization
   ];
 
@@ -20,18 +19,7 @@
 
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 
-  # Intel graphics support
+  # No graphics support needed for headless server
-  hardware.opengl = {
-    enable = true;
-    driSupport = true;
-    driSupport32Bit = true;
-    extraPackages = with pkgs; [
-      intel-media-driver  # VAAPI driver for newer Intel GPUs
-      vaapiIntel         # VAAPI driver for older Intel GPUs
-      vaapiVdpau
-      libvdpau-va-gl
-    ];
-  };
 
   # Power management optimized for server use
   powerManagement = {
@@ -61,7 +49,7 @@
     }
   ];
 
-  # Enable hardware monitoring
+  # Enable hardware monitoring (CLI only)
   hardware.sensor.iio.enable = true;
   
   # Network performance tuning for server use

users/jsutter.nix

@@ -10,20 +10,11 @@
     hashedPassword = "$6$tvkhGd24G6pVOsWr$j8ZAqSnXPTGwMGmIulU5Puzqd4iKdu8eAMSFis/cPqTW6u2xGQMqPHH1W9IZwKSL6.nS7Jc/NR2VwpPosyXDH/";
     openssh.authorizedKeys.keys  = [ "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBNVUh+RrcOSMRV6qysnsdPs5AyK8dSm4QhhnwgpikyI jsutter@symbiotrip.com" ];
     packages = with pkgs; [
-      vlc
+      # Essential CLI tools and user utilities only
-      pinentry
+      # GUI applications have been moved to appropriate desktop modules
-      arc-theme
+      direnv        # Development environment management
-      slack
+      appimage-run  # System utility for AppImages
-      direnv
+      cloudflared   # Cloudflare tunnel CLI
-      deluge
-      pkgs-unstable.signal-desktop
-      putty
-      rpi-imager
-      discord
-      stremio
-      tigervnc
-      appimage-run
-      cloudflared
     ];
   };