diff --git a/flake.nix b/flake.nix
index aa38d84..61ce006 100644
--- a/flake.nix
+++ b/flake.nix
@@ -123,22 +123,22 @@
 
     in
     {
-      packages.${system} = pkgs;
+      packages.${system} = unstablePkgs;
 
       nixosConfigurations = rec {
 
         thor = thor-unstable;
 
-        # thor-stable = thorStable [ ./nixos_modules/pro_audio.nix ];
-        thor-unstable = thorUnstable [ ./nixos_modules/pro_audio.nix ];
-        thor-big-data = thorUnstable [ ./nixos_modules/pro_audio.nix ./nixos_modules/big_data.nix ];
+        # thor-stable = thorStable [ ./nixos_modules/pro_audio.nix ./nixos_modules/sesar.nix];
+        thor-unstable = thorUnstable [ ./nixos_modules/pro_audio.nix ./nixos_modules/sesar.nix ];
+        thor-big-data = thorUnstable [ ./nixos_modules/pro_audio.nix ./nixos_modules/big_data.nix ./nixos_modules/sesar.nix ];
 
         odin = odin-intel-unstable;
 
-        odin-intel-unstable = odinUnstable [ ./odin/configuration-intel.nix ./nixos_modules/pro_audio.nix ];
-        odin-nvidia-unstable = odinUnstable [ ./odin/configuration-nvidia.nix ./nixos_modules/pro_audio.nix ];
-        # odin-intel-stable = odinStable [ ./odin/configuration-intel.nix ./nixos_modules/pro_audio.nix ];
-        # odin-nvidia-stable = odinStable [ ./odin/configuration-nvidia.nix ./nixos_modules/pro_audio.nix ];
+        odin-intel-unstable = odinUnstable [ ./odin/configuration-intel.nix ./nixos_modules/pro_audio.nix ./nixos_modules/sesar.nix ];
+        odin-nvidia-unstable = odinUnstable [ ./odin/configuration-nvidia.nix ./nixos_modules/pro_audio.nix ./nixos_modules/sesar.nix ];
+        # odin-intel-stable = odinStable [ ./odin/configuration-intel.nix ./nixos_modules/pro_audio.nix ./nixos_modules/sesar.nix];
+        # odin-nvidia-stable = odinStable [ ./odin/configuration-nvidia.nix ./nixos_modules/pro_audio.nix ./nixos_modules/sesar.nix];
       };
     };
 }
diff --git a/home_manager/thor.nix b/home_manager/thor.nix
index 5fcace7..73ad23e 100644
--- a/home_manager/thor.nix
+++ b/home_manager/thor.nix
@@ -93,6 +93,7 @@
       pentablet-driver
       procps
       ripgrep
+      shotwell
       skypeforlinux
       # slack
       spotify
diff --git a/nixos_modules/sesar.nix b/nixos_modules/sesar.nix
new file mode 100644
index 0000000..39d19b5
--- /dev/null
+++ b/nixos_modules/sesar.nix
@@ -0,0 +1,11 @@
+{
+  networking = {
+    hosts = {
+      "datanode1" = [ "172.20.28.210" ];
+      "datanode2" = [ "172.20.28.210" ];
+      "datanode3" = [ "172.20.28.210" ];
+      "*.engine.sesar.int" = [ "172.20.28.210" ];
+      "vcenter.sesar.int" = [ "159.149.147.137" ];
+    };
+  };
+}
diff --git a/odin/common_configuration.nix b/odin/common_configuration.nix
index ba6ffc5..8eec21a 100644
--- a/odin/common_configuration.nix
+++ b/odin/common_configuration.nix
@@ -34,10 +34,6 @@
     # firewall.allowedUDPPorts = [ ... ];
     # Or disable the firewall altogether.
     # firewall.enable = false;
-    hosts = {
-      "*.engine.sesar.int" = [ "172.20.28.210" ];
-      "vcenter.sesar.int" = [ "159.149.147.137" ];
-    };
   };
 
   # Set your time zone.
diff --git a/thor/configuration.nix b/thor/configuration.nix
index 33e4d4f..2a54081 100644
--- a/thor/configuration.nix
+++ b/thor/configuration.nix
@@ -67,10 +67,6 @@
     };
     networkmanager.enable = true;
     useDHCP = false;
-    hosts = {
-      "*.engine.sesar.int" = [ "172.20.28.210" ];
-      "vcenter.sesar.int" = [ "172.20.28.20" ];
-    };
   };
 
   time.timeZone = "Europe/Rome";