add dragon desktop computer, gitignore, and mini fixes

.gitignore

@@ -0,0 +1 @@
+configuration.nix

README.md

@@ -9,6 +9,7 @@ On a fresh NixOS installation
 - copy the NixOS generated configuration to the `machines` folder `cp /etc/hardware-configuration.nix ~/nixos-config/machines/<machinename>-hardware-configuration.nix`
 - copy the example configuration file in the  `machines` folder `cp ~/nixos-config/machines/example-configuration.nix ~/nixos-config/machines/<machinename>-configuration.nix`
 - edit your machine configuration file `~/nixos-config/machines/<machinename>-configuration.nix`, make changes and uncomment modules according to your needs for this machine
+- copy the example configuration file  `~/nixos-config/configuration.example.nix` to `~/nixos-config/configuration.nix` 
 - edit the main configuration file `~/nixos-config/configuration.nix` and point to the right files
 ```nix
 # NixOS config entry point

machines/Segotep-desktop-tower-configuration.nix

@@ -0,0 +1,95 @@
+# 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, ... }:
+
+{
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "dragon"; # 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/Moscow";
+
+  # Select internationalisation properties.
+  i18n.defaultLocale = "fr_FR.UTF-8";
+
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "fr_FR.UTF-8";
+    LC_IDENTIFICATION = "fr_FR.UTF-8";
+    LC_MEASUREMENT = "fr_FR.UTF-8";
+    LC_MONETARY = "fr_FR.UTF-8";
+    LC_NAME = "fr_FR.UTF-8";
+    LC_NUMERIC = "fr_FR.UTF-8";
+    LC_PAPER = "fr_FR.UTF-8";
+    LC_TELEPHONE = "fr_FR.UTF-8";
+    LC_TIME = "fr_FR.UTF-8";
+  };
+
+  # Enable the X11 windowing system.
+  services.xserver.enable = true;
+
+  # Enable the KDE Plasma Desktop Environment.
+  services.xserver.displayManager.sddm.enable = true;
+  services.xserver.desktopManager.plasma5.enable = true;
+
+  # Configure keymap in X11
+  services.xserver = {
+    layout = "us";
+    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;
+
+  imports = [
+    ../modules/console.nix
+    ../modules/desktop.nix
+    ../modules/fonts.nix
+    ../modules/home-config.nix
+#     ../modules/laptop.nix
+#     ../modules/local-dev.nix
+    ../modules/nixos.nix
+  ];
+
+  # 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 = "23.11"; # Did you read the comment?
+
+}

machines/Segotep-desktop-tower-hardware-configuration.nix

@@ -0,0 +1,38 @@
+# 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 = [ "xhci_pci" "ahci" "usbhid" "uas" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/65b2e400-b6f1-4158-9586-1f5bab13f664";
+      fsType = "ext4";
+    };
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/685D-B6DB";
+      fsType = "vfat";
+    };
+
+  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.enp2s0.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp0s20f0u1.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}

modules/home-config.nix

@@ -83,6 +83,7 @@
       extraConfig = {
         pull.rebase = true;
         init.defaultBranch = "main";
+        core.fileMode = false; 
       };
     };
 

modules/nixos.nix

@@ -13,6 +13,6 @@
 
   # TODO : find what is installing this, probably obsidian?
   nixpkgs.config.permittedInsecurePackages = [
-    "electron-24.8.6"
+    "electron-25.9.0"
   ];
 }