configuration.nix

@@ -5,16 +5,16 @@ in
 {
     imports = [
         ./hardware-configuration.nix # Include the results of the hardware scan.
-        ./core              # core system components
-        ./system            # system components such as kernel
         ./nix-settings.nix  # nix related config
         ./users
         ./.luks-swap.nix
         ./fonts.nix         # system wide font settings
         ./extra             # extra packages
+        ./core              # core system components
         ./dev               # development stuff
         ./games             # games
         ./hardware          # hardware specific settings
+        ./system            # system components such as kernel
     ];
 
     # This value determines the NixOS release from which the default
@@ -27,18 +27,72 @@ in
 
     hardware.opengl.enable = true;
 
-    # Set your time zone.
-    time.timeZone = settings.system.timeZone;
+  # Set your time zone.
+  time.timeZone = "Europe/Berlin";
 
-    # Select internationalisation properties.
-    i18n.defaultLocale = settings.system.defaultLocale;
-    i18n.extraLocaleSettings = settings.system.extraLocales;
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
 
-    # use bash shell for other users
-    environment.shells = with pkgs; [ bash ];
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_DE.UTF-8";
+    LC_IDENTIFICATION = "de_DE.UTF-8";
+    LC_MEASUREMENT = "de_DE.UTF-8";
+    LC_MONETARY = "de_DE.UTF-8";
+    LC_NAME = "de_DE.UTF-8";
+    LC_NUMERIC = "de_DE.UTF-8";
+    LC_PAPER = "de_DE.UTF-8";
+    LC_TELEPHONE = "de_DE.UTF-8";
+    LC_TIME = "de_DE.UTF-8";
+  };
 
-    # Configure console keymap
-    console.keyMap = settings.system.ttykeymap;
+  services.rpcbind.enable = true; # needed for NFS
 
-    environment.systemPackages = settings.system.pkgs;
+  programs.partition-manager.enable = true;
+
+  # use bash shell for other users
+  environment.shells = with pkgs; [ bash ];
+
+  # Configure console keymap
+  console.keyMap = "de";
+
+  # List packages installed in system profile. To search, run:
+  # $ nix search wget
+  environment.systemPackages = (with pkgs; [
+
+    devbox
+    ffmpeg-full
+    openssl
+    imagemagick
+    gnumake
+    cmake
+
+    # Clipboard support for Wayland Session
+    # used by Vim/Neovim and etc.
+    wl-clipboard
+
+    # GNU Compiler Collection and toolchain
+    glibc
+    gcc
+    gdb
+    stdenv.cc
+    stdenv.cc.libc
+    stdenv.cc.libc_dev
+
+    pkg-config
+    fontconfig
+
+    # SCSI driver
+    sg3_utils
+  ]);
+
+  environment.sessionVariables = rec {
+    # rust
+    CARGO_TERM_COLOR = "always";
+    RUST_BACKTRACE = "1";
+
+    # Wayland for electron Ozone
+    NIXOS_OZONE_WL = "1";
+
+    GTK_THEME = "Breeze-Dark";
+  };
 }

core/plasma5.nix

@@ -12,13 +12,11 @@ in
         xkbVariant = "";
     };
 
-    # SDDM
-    services.xserver.displayManager.sddm.enable = true;
-    services.xserver.displayManager.sddm.wayland.enable = true;
-    services.xserver.displayManager.defaultSession = "plasmawayland";   # set wayland as default session
-
     # Enable the KDE Plasma Desktop Environment.
-    services.xserver.desktopManager.plasma5.enable = true; 
+    services.xserver.displayManager.sddm.enable = true;
+    services.xserver.desktopManager.plasma5.enable = true;
+    # set wayland as default session
+    services.xserver.displayManager.defaultSession = "plasmawayland";
 
     # exclude packages from plasma5
     environment.plasma5.excludePackages = settings.plasma5.excludePackages;
@@ -28,11 +26,5 @@ in
 
     environment.systemPackages = (with pkgs; [
         filelight
-    ]);
-
-    programs.partition-manager.enable = true;
-
-    environment.sessionVariables = rec {
-        GTK_THEME = "Breeze-Dark";
-    };
+    ])
 }

dev/android.nix

@@ -1,11 +0,0 @@
-{ pkgs, lib, config, ... }:
-let
-    settings = import ./../settings.nix;
-in
-{
-    programs.adb.enable = true;
-
-    services.udev.packages = [
-        pkgs.android-udev-rules
-    ];
-}

dev/common.nix

@@ -1,9 +0,0 @@
-{ pkgs, lib, config, ... }:
-let
-    settings = import ./../settings.nix;
-in
-{
-    environment.systemPackages = (with pkgs;
-        lib.optionals settings.dev.devbox [ devbox ]
-    );
-}

dev/default.nix

@@ -12,6 +12,5 @@ in
     ++ lib.optionals settings.dev.python3.enable [ ./python3.nix ]
     ++ lib.optionals settings.virtualisation.waydroid [ ./waydroid.nix ]
     ++ lib.optionals settings.virtualisation.wine.enable [ ./wine.nix ]
-    ++ lib.optionals settings.dev.arduino.enable [ ./arduino.nix ]
-    ++ lib.optionals settings.dev.android.enable [ ./android.nix ];
+    ++ lib.optionals settings.dev.arduino.enable [ ./arduino.nix ];
 }

settings.nix

@@ -2,29 +2,6 @@ with import <nixpkgs> {};
 {
     stateVersion = "23.11";
 
-    system = {
-        ttykeymap = "de";
-        timeZone = "Europe/Berlin";
-        defaultLocale = "en_US.UTF-8";
-        extraLocales = {
-            LC_ADDRESS = "de_DE.UTF-8";
-            LC_IDENTIFICATION = "de_DE.UTF-8";
-            LC_MEASUREMENT = "de_DE.UTF-8";
-            LC_MONETARY = "de_DE.UTF-8";
-            LC_NAME = "de_DE.UTF-8";
-            LC_NUMERIC = "en_US.UTF-8";
-            LC_PAPER = "de_DE.UTF-8";
-            LC_TELEPHONE = "de_DE.UTF-8";
-            LC_TIME = "de_DE.UTF-8";
-        };
-
-        pkgs = [
-            ffmpeg-full
-            openssl
-            imagemagick
-        ];
-    };
-
     hardware = {
         # support for GPUs
         amdgpu = true;
@@ -44,7 +21,7 @@ with import <nixpkgs> {};
         };
     };
 
-    fish = false;
+    fish = true;
 
     plasma5 = {
         enable = true;
@@ -55,7 +32,6 @@ with import <nixpkgs> {};
             oxygen
             khelpcenter
             kcolorpicker
-            konsole
         ];
     };
 
@@ -66,7 +42,7 @@ with import <nixpkgs> {};
         };
         qemu = {
             enable = true;
-            virt-manager = false;
+            virt-manager = true;
         };
         waydroid = false;
         wine = {
@@ -76,7 +52,6 @@ with import <nixpkgs> {};
         };
     };
     dev = {
-        devbox = true;
         platformio = true;
         latex = true;
         dotnet = false;
@@ -99,9 +74,6 @@ with import <nixpkgs> {};
             enable = false;  # enable arduino development platform
             ide2 = true;    # wether to use IDE 2.x or deprecated 1.x
         };
-        android = {
-            enable = true;
-        };
         lsp = {
             enable = true;
             # various language server
@@ -131,7 +103,7 @@ with import <nixpkgs> {};
 
     networking = {
         wireguard = true;   # enable wireguard protocol
-        hostname = "servostar-nixos-flex";
+        hostname = "servostar-nixos-desktop";
     };
 
     games = {