moved files to make more sense and added experimental desktop configuration

modules/boot.nix

@@ -0,0 +1,22 @@
+{pkgs, config, lib, modulesPath, ...}:
+{
+  boot = {
+    kernelPackages = pkgs.linuxPackages_latest;
+    blacklistedKernelModules = [ "nouveau" "lbm-nouveau" "pcspkr" ];
+    kernelParams = [ "fbcon=nodefer" "bgrt_disable" "quiet" "splash" ];
+    plymouth = {
+      enable = true;
+      theme = "breeze";
+      logo = ../images/nixos.png;
+      };
+    loader = {
+      systemd-boot = {
+        enable = true;
+        consoleMode = "max";
+        editor = false;
+      };
+    efi.canTouchEfiVariables = true;
+    timeout = 0;
+    };
+  };
+}

modules/fonts.nix

@@ -0,0 +1,14 @@
+{ pkgs, ... }:
+{
+  fonts = {
+    fonts = with pkgs; [overpass  nerdfonts-overpass material-design-icons];
+    fontconfig = {
+      enable = true;
+      defaultFonts = {
+        serif = ["Overpass"  "Overpass Nerd Font" "Material Design Icons"];
+        sansSerif  = ["Overpass"  "Overpass Nerd Font" "Material Design Icons"];
+        monospace  = ["Overpass Mono"  "OverpassMono Nerd Font" "Material Design Icons" ];
+      };
+    };
+  };
+}

modules/misc.nix

@@ -0,0 +1,51 @@
+{ config, pkgs, lib, ... }:
+{
+  networking = {
+    firewall.enable = true;
+    useDHCP = lib.mkDefault true;
+    networkmanager. enable = true;
+  };
+  qt5 = {
+    enable = true;
+    style = "gtk2";
+    platformTheme = "gtk2";
+  };
+  programs = {
+    zsh.enable = true;
+    dconf.enable = true;
+  };
+  time.timeZone = "America/New_York";
+  services = {
+    gvfs.enable = true;
+    timesyncd = {
+      enable = true;
+      servers = [
+        "time.google.com"
+        "time2.google.com"
+      ];
+    };
+  };
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    useXkbConfig = true;
+  };
+
+  # Enable sound.
+  security.rtkit.enable = true;
+  hardware.pulseaudio = {
+    enable = true;
+    support32Bit = true;
+    package = pkgs.pulseaudioFull;
+  };
+   nixpkgs.config.pulseaudio = true;
+
+  #enable ssh
+  programs.mtr.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+    };
+  services.openssh.enable = true;
+}

modules/nvidia.nix

@@ -0,0 +1,18 @@
+{ config, ... }:
+
+{
+  hardware = {
+    nvidia = {
+      nvidiaPersistenced = true;
+      nvidiaSettings = true;
+      package = config.boot.kernelPackages.nvidiaPackages.stable;
+      modesetting.enable = true;
+    };
+    opengl = {
+      enable = true;
+      driSupport = true;
+      driSupport32Bit = true;
+      };
+  };
+}
+

modules/packages.nix

@@ -0,0 +1,52 @@
+{ config, pkgs, callPackage, ... }:
+{
+environment.systemPackages = with pkgs; [     
+     #single commands
+     nano 
+     wget
+     neofetch
+     htop
+     efibootmgr
+     maim
+     curlFull
+     #lightdm
+     lightdm
+     lightdm-mini-greeter
+     #needed utils
+     pipewire
+     xorg.xf86videoamdgpu
+     mesa
+     mesa-demos
+     pciutils
+     git
+     dash
+     binutils
+     #user/gui
+     discord
+     spotify
+     spotify-tray
+     vlc
+     bitwarden
+     protonvpn-gui
+     gimp
+     qbittorrent
+     feh
+     #explicit xfce4 for bspwm
+     xarchive
+     xfce.catfish
+     xfce.mousepad
+     xfce.xfce4-power-manager
+     #shiny
+     brightnessctl
+     playerctl
+     networkmanager_dmenu
+     networkmanagerapplet
+     dmenu
+     qsudo
+     flashfocus
+     pavucontrol
+     gpick
+     xclip
+     alsa-utils
+  ];
+}

modules/prime.nix

@@ -0,0 +1,9 @@
+{ config, ... }:
+{
+  hardware.nvidia.prime = {
+    sync.enable = true;
+    amdgpuBusId = "PCI:5:0:0";
+    nvidiaBusId = "PCI:1:0:0";
+  };
+}
+

modules/scripts.nix

@@ -0,0 +1,28 @@
+{ pkgs, ... }:
+
+let
+  update-system = pkgs.writeScriptBin "update-system" ''
+    #!${pkgs.stdenv.shell}
+     nix flake update /etc/nixos/#
+  ''; 
+
+  clean-store = pkgs.writeScriptBin "clean-store" ''
+    #!${pkgs.stdenv.shell}
+     nix-collect-garbage -d
+     nix-store --gc
+  ''; 
+
+  apply-users = pkgs.writeScriptBin "apply-users" ''
+    #!${pkgs.stdenv.shell}
+     nix build /etc/nixos/#homeManagerConfiguration.gerg.activationPackage
+     ./result/activate
+     rm -rf ./result
+  ''; 
+
+  apply-system = pkgs.writeScriptBin "apply-system" ''
+    #!${pkgs.stdenv.shell}
+     nixos-rebuild switch --flake /etc/nixos/#
+  ''; 
+in {
+  environment.systemPackages = [ update-system clean-store apply-users apply-system ];
+}

modules/thunar.nix

@@ -0,0 +1,7 @@
+{pkgs, ...}:
+{
+  programs.thunar = {
+    enable = true;
+    plugins = with pkgs.xfce; [ thunar-volman thunar-archive-plugin thunar-media-tags-plugin];
+  };
+}

modules/vfio.nix

@@ -0,0 +1,50 @@
+{
+  boot = {
+    kernelParams = [ "amd_iommu=on" ];
+    boot.kernelModules = [ "vfio_virqfd" "vfio_pci" "vfio_iommu_type1" "vfio" ];
+    initrd.kernelModules = [ "vfio_virqfd" "vfio_pci" "vfio_iommu_type1" "vfio" ];
+    extraModprobeConfig = "options vfio-pci ids=10de:228e,10de:2504";
+  };
+  virtualisation = {
+    libvirtd = {
+      enable = true;
+      qemu = {
+        runAsRoot = false;
+        ovmf = {
+          enable = true;
+          package = pkgs.OVMFFull;
+         };
+      };
+    };
+  };
+  environment.systemPackages = with pkgs; [   virt-manager  ];
+  systemd.services.libvirtd.preStart = let
+    qemuHook = pkgs.writeScript "qemu-hook" ''
+      #!${pkgs.stdenv.shell}
+
+      GUEST_NAME="$1"
+      OPERATION="$2"
+      SUB_OPERATION="$3"
+
+      if [ "$GUEST_NAME" == "Main_VM" ]; then
+        if [ "$OPERATION" == "start" ]; then
+          systemctl set-property --runtime -- user.slice AllowedCPUs=0,1,2,6,7,8
+          systemctl set-property --runtime -- system.slice AllowedCPUs=0,1,2,6,7,8
+          systemctl set-property --runtime -- init.scope AllowedCPUs=0,1,2,6,7,8
+        fi
+
+        if [ "$OPERATION" == "stopped" ]; then
+          systemctl set-property --runtime -- user.slice AllowedCPUs=0-11
+          systemctl set-property --runtime -- system.slice AllowedCPUs=0-11
+          systemctl set-property --runtime -- init.scope AllowedCPUs=0-11
+        fi
+      fi
+    '';
+  in ''
+    mkdir -p /var/lib/libvirt/hooks
+    chmod 755 /var/lib/libvirt/hooks
+
+    # Copy hook files
+    ln -sf ${qemuHook} /var/lib/libvirt/hooks/qemu
+  '';
+}

modules/xserver.nix

@@ -0,0 +1,69 @@
+{config, ... }:
+{
+  services.xserver = {
+    enable = true;
+    videoDrivers = 
+      if (config.networking.hostName == "gerg-laptop")
+        then ["modesetting"  "nvidia"] 
+      else [ "nvidia" ];
+    layout = "us";
+    libinput.enable = true;
+    desktopManager = {
+      xterm.enable = false;
+    };
+    windowManager.bspwm = {
+      enable = true;
+    };
+     displayManager = {
+      defaultSession = "none+bspwm";
+      lightdm = {
+        enable = true;
+        greeters.mini = {
+          enable = true;
+           extraConfig = ''
+[greeter]
+user = gerg
+show-password-label = false
+password-label-text = 
+invalid-password-text = 
+show-input-cursor = false
+password-alignment = center
+password-input-width = 19
+show-image-on-all-monitors = true
+
+
+[greeter-hotkeys]
+mod-key = meta
+shutdown-key = s
+restart-key = r
+hibernate-key = h
+suspend-key = u
+
+
+[greeter-theme]
+font = "OverpassMono Nerd Font"
+font-size = 1.1em
+font-weight = bold
+font-style = normal
+text-color = "#7AA2F7"
+error-color = "#DB4B4B"
+background-image = "/etc/nixos/images/stars-1080.jpg"
+background-color = "#000000"
+window-color = "#000000"
+border-color = "#000000"
+border-width = 2px
+layout-space = 15
+password-character = -1
+password-color = "#7AA2F7"
+password-background-color = "#24283B"
+password-border-color = "#000000"
+password-border-width = 2px
+password-border-radius = 0.341125em
+
+         '';
+        };
+      };
+    };
+  };
+}
+