diff --git a/home/calendars.nix b/home/calendars.nix
index da4c27e..5585970 100644
--- a/home/calendars.nix
+++ b/home/calendars.nix
@@ -126,9 +126,12 @@ in
       khal.color = "light green";
       remote = {
         type = "caldav";
-        url  = "https://cloud.gridisnotajournal.de/remote.php/dav/calendars/till/grid/";
-        passwordCommand = [ "pass" "uni/grid-caldav-nextcloud" ];
-        userName = "till";
+        # url  = "https://cloud.gridisnotajournal.de/remote.php/dav/calendars/till/grid/";
+        # passwordCommand = [ "pass" "uni/grid-caldav-nextcloud" ];
+        # userName = "till";
+        url = "https://kalender.humangeographie.de/grid/96dedda9-cc91-c2fe-3bd8-020296904489/";
+        userName = "grid";
+        passwordCommand = [ "pass" "uni/grid-kalender-radicale" ];
       };
     };
   };
diff --git a/hosts/arielle/default.nix b/hosts/arielle/default.nix
index 0a84aa7..a83a0bb 100644
--- a/hosts/arielle/default.nix
+++ b/hosts/arielle/default.nix
@@ -1,8 +1,36 @@
 { ... }:
 
 {
-  networking.hostName = "arielle";
-  networking.domain = "ktiu.net";
+  networking = {
+
+    hostName = "arielle";
+    domain = "ktiu.net";
+
+    interfaces.enp1s0.ipv4.addresses = [{
+        address = "116.203.85.135";
+        prefixLength = 32;
+    }];
+
+    interfaces.enp1s0.ipv6.addresses = [{
+        address = "2a01:4f8:1c1c:42d8::1";
+        prefixLength = 64;
+    }];
+
+    nameservers = [
+      "185.12.64.1"
+      "185.12.64.2"
+    ];
+
+    defaultGateway = {
+      address = "172.31.1.1";
+      interface = "enp1s0";
+    };
+
+    defaultGateway6 = {
+      address = "fe80::1";
+      interface = "enp1s0";
+    };
+  };
 
   imports = [
     ./hardware-configuration.nix