init

configuration.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
+      ./modules/packages.nix
+    ];
+
+  # Bootloader.
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
+  boot.loader.grub.useOSProber = true;
+
+  networking.hostName = "nixos"; # 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;
+
+  # Set your time zone.
+  time.timeZone = "Europe/Vienna";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "de_AT.UTF-8";
+    LC_IDENTIFICATION = "de_AT.UTF-8";
+    LC_MEASUREMENT = "de_AT.UTF-8";
+    LC_MONETARY = "de_AT.UTF-8";
+    LC_NAME = "de_AT.UTF-8";
+    LC_NUMERIC = "de_AT.UTF-8";
+    LC_PAPER = "de_AT.UTF-8";
+    LC_TELEPHONE = "de_AT.UTF-8";
+    LC_TIME = "de_AT.UTF-8";
+  };
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # Enable the GNOME Desktop Environment.
+  services.xserver.displayManager.gdm.enable = true;
+  services.xserver.desktopManager.gnome.enable = true;
+
+  # Configure keymap in X11
+  services.xserver = {
+    layout = "at";
+    xkbVariant = "";
+  };
+
+  # Enable CUPS to print documents.
+  services.printing.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;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users.lukas = {
+    isNormalUser = true;
+    description = "Lukas Heiligenbrunner";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = with pkgs; [
+      #firefox
+    #  thunderbird
+    ];
+  };
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = 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;
+
+  # 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 = "23.05"; # Did you read the comment?
+
+}

flake.nix

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+{
+  description = "A very basic flake";
+
+  inputs = {
+    # import nixos packages
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    # import homemanager
+    home-manager.url = "github:nix-community/home-manager";
+    home-manager.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = { self, nixpkgs, home-manager }: 
+  let
+    system="x86_64-linux";
+    pkgs = import nixpkgs {
+      inherit system;
+      config.allowUnfree = true;
+    };
+    lib = nixpkgs.lib;
+  in {
+    nixosConfigurations = {
+      main = lib.nixosSystem {
+        inherit system;
+        modules = [ 
+          ./configuration.nix 
+
+          home-manager.nixosModules.home-manager {
+            home-manager.useGlobalPkgs = true;
+            home-manager.useUserPackages = true;
+            home-manager.users.lukas = {
+              imports = [ ./home.nix ];
+            };
+          }
+        ];
+      };
+    };
+  };
+}

hardware-configuration.nix

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+# 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 = [ "ata_generic" "uhci_hcd" "ehci_pci" "ahci" "usb_storage" "usbhid" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/91515d4e-f0c8-4819-8beb-220bc3528146";
+      fsType = "ext4";
+    };
+
+  swapDevices = [ ];
+
+  # 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.enp0s25.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s26f7u2u1u4.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

home.nix

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+{ config, pkgs, ... }:
+
+{
+  imports =
+    [];
+
+  home.username = "lukas";
+  home.homeDirectory = "/home/lukas";
+  home.stateVersion = "23.11";
+
+  # set several gnome settings options
+  dconf.settings = {
+    "org/gnome/desktop/interface" = {
+        color-scheme = "prefer-dark";
+        enable-hot-corners = true;
+    };
+    "org/gnome/mutter" = {
+        dynamic-workspaces = true;
+        edge-tiling = true;
+    };
+  };
+
+  # nautilus settings
+  dconf.settings = {
+    "org/gnome/nautilus/preferences" = {
+      default-folder-viewer = "list-view";
+    };
+    "org/gnome/nautilus/list-view" = {
+        default-zoom-level = "small";
+    };
+  };
+}

modules/packages.nix

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+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [];
+
+  # packages to exclude from default gnome
+  environment.gnome.excludePackages = (with pkgs; [
+    gnome-photos
+    gnome-tour
+  ]) ++ (with pkgs.gnome; [
+    gnome-music
+    yelp # help viewer
+    epiphany # web browser
+    geary # email reader
+    totem # video player
+    tali # poker game
+    iagno # go game
+    hitori # sudoku game
+    atomix # puzzle game
+  ]);
+
+  # packages in global env
+  environment.systemPackages = with pkgs; [
+    # system utilities
+    wget
+
+    # web
+    firefox
+
+    # development
+    openscad
+    vscode
+    git
+    prusa-slicer
+    rustup
+    git
+
+    # multimedia
+    vlc
+    gimp
+  ];
+}