diff --git a/features/caches/default.nix b/features/caches/default.nix
new file mode 100644
index 0000000..d5ee813
--- /dev/null
+++ b/features/caches/default.nix
@@ -0,0 +1,5 @@
+{ pkgs, ... }: {
+  imports = [
+    ./iohk.nix
+  ];
+}
diff --git a/features/caches/iohk.nix b/features/caches/iohk.nix
new file mode 100644
index 0000000..c245d0c
--- /dev/null
+++ b/features/caches/iohk.nix
@@ -0,0 +1,8 @@
+{ pkgs, ... }: {
+  nix.binaryCachePublicKeys = [
+    "hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ="
+  ];
+  nix.binaryCaches = [
+    "https://hydra.iohk.io"
+  ];
+}
diff --git a/flake.nix b/flake.nix
index c7e40f9..39ad1fc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,6 +28,7 @@
 
           # Features common to all of my machines
           ./features/self-ide.nix
+          ./features/caches
           ./features/current-location.nix
           ./features/passwordstore.nix
           ./features/syncthing.nix
diff --git a/hosts/p71.nix b/hosts/p71.nix
index 3059187..1c19e37 100644
--- a/hosts/p71.nix
+++ b/hosts/p71.nix
@@ -59,17 +59,17 @@
   #  enable = true;
   #  videoDrivers = [ "nvidia" "intel" ];
   #};
-
-  # Enable the GNOME 3 Desktop Environment.
   #services.xserver.displayManager.gdm.enable = true;
   #services.xserver.desktopManager.gnome3.enable = true;
+
   services.openssh.enable = true;
   services.ipfs.enable = true;
+  services.netdata.enable = true;
 
   # Define a user account. Don't forget to set a password with ‘passwd’.
   users.users.srid = {
     isNormalUser = true;
-    extraGroups = [ "wheel" "networkmanager" ]; 
+    extraGroups = [ "wheel" "networkmanager" ];
   };
 
   # List packages installed in system profile. To search, run:
@@ -82,7 +82,7 @@
     google-chrome
     htop
     mpv
-    nodejs-12_x # Need this node https://nixos.wiki/wiki/Vscode
+    nodejs-12_x # Need this for https://nixos.wiki/wiki/Vscode
     obsidian
     psmisc
     ripgrep