feat (hosts/shar): base system configuration

hosts/shar/configuration.nix

@@ -0,0 +1,82 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [ ./hardware-configuration.nix ];
+
+  nix.settings.experimental-features = "nix-command flakes";
+
+  system.autoUpgrade.enable = true;
+  system.autoUpgrade.dates = "weekly";
+
+  nix.gc.automatic = true;
+  nix.gc.dates = "daily";
+  nix.gc.options = "--delete-older-than 10d";
+  nix.settings.auto-optimise-store = true;
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.initrd.luks.devices."luks-324ce23c-e630-42a1-8558-184e999053a5".device =
+    "/dev/disk/by-uuid/324ce23c-e630-42a1-8558-184e999053a5";
+
+  networking.hostName = "shar";
+  networking.networkmanager.enable = true;
+
+  time.timeZone = "Europe/Paris";
+  i18n.defaultLocale = "en_GB.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";
+  };
+
+  services.xserver.enable = true;
+  services.displayManager.gdm.enable = true;
+  services.desktopManager.gnome.enable = true;
+  services.xserver.xkb = {
+    layout = "fr";
+    variant = "ergol";
+  };
+
+  services.gnome.gnome-browser-connector.enable = true;
+  services.printing.enable = true;
+  services.pulseaudio.enable = false;
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa.enable = true;
+    alsa.support32Bit = true;
+    pulse.enable = true;
+  };
+  services.openssh.enable = true;
+
+  console.keyMap = "fr";
+
+  users.users.hms = {
+    isNormalUser = true;
+    description = "hms";
+    extraGroups = [ "networkmanager" "wheel" ];
+    packages = [ ];
+  };
+
+
+  nixpkgs.config.allowUnfree = true;
+
+  environment.systemPackages = with pkgs; [
+    helix
+    wget
+  ];
+
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  system.stateVersion = "25.11";
+}

hosts/shar/hardware-configuration.nix

@@ -0,0 +1,35 @@
+# 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 = [ "nvme" "xhci_pci" "usb_storage" "sd_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-amd" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/mapper/luks-0f1f8ec5-573b-49da-b82c-abffbcd77387";
+      fsType = "ext4";
+    };
+
+  boot.initrd.luks.devices."luks-0f1f8ec5-573b-49da-b82c-abffbcd77387".device = "/dev/disk/by-uuid/0f1f8ec5-573b-49da-b82c-abffbcd77387";
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/6388-B8D8";
+      fsType = "vfat";
+      options = [ "fmask=0077" "dmask=0077" ];
+    };
+
+  swapDevices =
+    [ { device = "/dev/mapper/luks-324ce23c-e630-42a1-8558-184e999053a5"; }
+    ];
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}