diff --git a/configuration.nix b/configuration.nix
index 3ffffb9..f03d7ce 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -1,7 +1,3 @@
-# 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, ... }:
 
 {
@@ -11,29 +7,40 @@
     ];
 
   # Bootloader.
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = 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;
+  boot = {
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+    kernelPackages = pkgs.linuxPackages_latest;
+  };
 
+  networking = {
+    hostName = "play";
+    networkmanager.enable = true;
+    # firewall.allowedTCPPorts = [ 80 443 ];
+    # firewall.allowedUDPPorts = [ ... ];
+  };
+  
   # Set your time zone.
   time.timeZone = "Europe/Zurich";
+  
+  system.autoUpgrade = {
+    enable = true;
+    allowReboot = true;
+    rebootWindow = {
+      lower = "01:00";
+      upper = "03:00";
+    };
+  };
 
   # Select internationalisation properties.
   i18n.defaultLocale = "en_US.UTF-8";
 
   # Configure keymap in X11
-  services.xserver = {
+  services.xserver.xkb = {
     layout = "ch";
-    xkbVariant = "";
+    variant = "";
   };
 
   # Configure console keymap
@@ -50,38 +57,24 @@
   # Allow unfree packages
   nixpkgs.config.allowUnfree = true;
 
-  # List packages installed in system profile. To search, run:
-  # $ nix search wget
+  # List packages installed in system profile
   environment.systemPackages = with pkgs; [
-    vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
+    vim
+    wget
+    curl
     git
   ];
 
-  # 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;
+  services = {
+    openssh = {
+      enable = true;
+      # settings.PermitRootLogin = "without-password";
+    };
+    qemuGuest.enable = true;
+  };
 
-  # Open ports in the firewall.
-  # networking.firewall.allowedTCPPorts = [ ... ];
-  # networking.firewall.allowedUDPPorts = [ ... ];
-  # Or disable the firewall altogether.
-  # networking.firewall.enable = false;
-
-  # 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).
+  # leave installation default
   system.stateVersion = "24.05"; # Did you read the comment?
 
-}
+}
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