diff --git a/hosts/default.nix b/hosts/default.nix
index b7db1d6..7209447 100644
--- a/hosts/default.nix
+++ b/hosts/default.nix
@@ -43,7 +43,9 @@ in
     (mkSystem' {
       hostname = "nihilus";
       system = "aarch64-linux";
-      extraModules = [ ];
+      extraModules = [
+        inputs.nixos-hardware.nixosModules.raspberry-pi-4
+      ];
     })
   ];
 }
diff --git a/hosts/nihilus/configuration.nix b/hosts/nihilus/configuration.nix
index 8af4b3f..0dcd9b6 100644
--- a/hosts/nihilus/configuration.nix
+++ b/hosts/nihilus/configuration.nix
@@ -1,9 +1,23 @@
-{ }:
+{ pubkeys, ... }:
 {
+  imports = [
+    ./hardware-configuration.nix
+  ];
+
   modules = {
     services.tailscale = {
       enable = true;
-      tags = [ "server" ];
+      tags = [
+        "server"
+        "backup"
+      ];
     };
   };
+
+  services = {
+    openssh.enable = true;
+  };
+
+  users.users.root.openssh.authorizedKeys.keys = [ pubkeys.ny ];
+
 }
diff --git a/hosts/nihilus/hardware-configuration.nix b/hosts/nihilus/hardware-configuration.nix
new file mode 100644
index 0000000..57b3090
--- /dev/null
+++ b/hosts/nihilus/hardware-configuration.nix
@@ -0,0 +1,10 @@
+{ lib, modulesPath, ... }:
+{
+  imports = [
+    (modulesPath + "/installer/scan/not-detected.nix")
+  ];
+
+  networking.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "aarch64-linux";
+}