diff --git a/configuration.nix b/configuration.nix
index 9f3ece5..87d8bc6 100644
--- a/configuration.nix
+++ b/configuration.nix
@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, ... }:
+{ lib, config, pkgs, ... }:
 
 {
   imports =
@@ -14,7 +14,7 @@
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
 
-  networking.hostName = "nixos"; # Define your hostname.
+  networking.hostName = "potemkin"; # Define your hostname.
   # networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
 
   # Configure network proxy if necessary
@@ -83,12 +83,26 @@
     isNormalUser = true;
     description = "Petra Besser";
     extraGroups = [ "networkmanager" "wheel" ];
+    home = "/home-local/petra";
+    createHome = true;
     packages = with pkgs; [
       kdePackages.kate
     #  thunderbird
     ];
   };
 
+  users.ldap = {
+    enable = true;
+    base = "dc=fet,dc=htu,dc=tuwien,dc=ac,dc=at";
+    server = "ldap://juri.fet.htu.tuwien.ac.at/";
+    useTLS = false;
+    extraConfig = ''
+      ldap_version 3
+      pam_password md5
+      nss_override_attribute_value loginShell /run/current-system/sw/bin/bash
+    '';
+  };
+
   # Install firefox.
   programs.firefox.enable = true;
 
@@ -100,6 +114,7 @@
   environment.systemPackages = with pkgs; [
     vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
     wget
+    git
   ];
 
   # Some programs need SUID wrappers, can be configured further or are