create ssh host keys

hosts/skipper/services/default.nix

@@ -5,6 +5,7 @@ in {
     ./dbus.nix
     ./pipewire.nix
     ./udev.nix
+    ./ssh.nix
   ];
   services = {
     blueman.enable = true;

hosts/skipper/services/ssh.nix

@@ -0,0 +1,21 @@
+_: {
+  services.openssh = {
+    enable = true;
+    settings = {
+      PasswordAuthentication = false;
+      KbdInteractiveAuthentication = false;
+      PermitRootLogin = "no";
+    };
+    hostKeys = [
+      {
+        path = "/etc/ssh/keys/ssh_host_ed25519_key";
+        type = "ed25519";
+      }
+      {
+        path = "/etc/ssh/keys/ssh_host_rsa_key";
+        type = "rsa";
+        bits = "4096";
+      }
+    ];
+  };
+}