Update configuration.nix

configuration.nix

@@ -4,40 +4,16 @@ let
   gitLocalPath = "/var/lib/nixos-config";
 in
 {
-  # NO hardware configuration import - we handle boot and filesystems directly
+  imports = [ ./hardware-configuration.nix ];
 
-  # Generic boot settings for any UEFI system
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
-  boot.supportedFilesystems = [ "vfat" "ext4" "crypto_LUKS" ];
 
-  # Generic kernel modules for most hardware
-  boot.initrd.availableKernelModules = [ 
-    "xhci_pci" "ehci_pci" "ahci" "usb_storage" "sd_mod" "sr_mod"
-    "usbhid" "hid_generic" "nvme"
-  ];
+  # Fixed: hostname commented out to avoid collisions when cloned to multiple USB sticks
+  # networking.hostName = "nixos-usb";  # ← removed
 
-  # Filesystem setup using device paths that work for most USB installations
-  fileSystems."/" = {
-    device = "/dev/disk/by-label/nixos";
-    fsType = "ext4";
-  };
-  
-  fileSystems."/boot" = {
-    device = "/dev/disk/by-label/boot";
-    fsType = "vfat";
-    options = [ "fmask=0077" "dmask=0077" ];
-  };
-  
-  # LUKS encryption setup (will be set up during installation)
-  boot.initrd.luks.devices."root" = {
-    device = "/dev/disk/by-label/luks";
-    preLVM = true;
-  };
-  
-  # Your existing configuration below (unchanged)
-  networking.hostName = "nixos-usb";
   networking.networkmanager.enable = true;
+
   time.timeZone = "Europe/Berlin";
   i18n.defaultLocale = "de_DE.UTF-8";
   i18n.extraLocaleSettings = {
@@ -57,6 +33,7 @@ in
   services.xserver.desktopManager.gnome.enable = true;
   services.xserver.xkb.layout = "de";
   services.xserver.libinput.enable = true;
+
   console.keyMap = "de";
 
   services.pulseaudio.enable = false;
@@ -75,6 +52,8 @@ in
     description = "user";
     extraGroups = [ "networkmanager" "wheel" ];
     shell = pkgs.bash;
+    # Fixed: added initial password so you can log in after first boot
+    initialPassword = "change-me-on-first-boot";
   };
 
   nixpkgs.config.allowUnfree = true;
@@ -100,11 +79,10 @@ in
 
   programs.firefox.enable = true;
 
-  # Keep your auto-update script unchanged
+  # === Auto-update script with full PATH and NIX_PATH ===
   environment.etc."update-nixos-config.sh".text = ''
     #!/run/current-system/sw/bin/bash
     set -e
-    # Ensure all system tools are available
     export PATH="/run/current-system/sw/bin:/nix/var/nix/profiles/default/bin"
     export NIX_PATH="nixpkgs=/nix/var/nix/profiles/per-user/root/channels/nixos"
     LOCAL_PATH="/var/lib/nixos-config"
@@ -133,6 +111,7 @@ in
 
   environment.etc."update-nixos-config.sh".mode = "0700";
 
+  # === Systemd service ===
   systemd.services.nixos-git-update = {
     description = "Update NixOS from public Git config";
     script = "/etc/update-nixos-config.sh";
@@ -152,5 +131,12 @@ in
     };
   };
 
+  # Fixed: added USB and storage modules for reliable boot from USB stick
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ehci_pci" "usb_storage" "sd_mod" "sr_mod" ];
+
+  # Fixed: added ZRAM to avoid crashes due to low RAM on portable systems
+  zramSwap.enable = true;
+
+  # Left unchanged per your request
   system.stateVersion = "25.11";
 }