diff --git a/base/patio/configuration.nix b/base/patio/configuration.nix
index c826e9e..e3491aa 100644
--- a/base/patio/configuration.nix
+++ b/base/patio/configuration.nix
@@ -10,10 +10,20 @@
       ./hardware-configuration.nix
     ];
 
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 4d --keep 3";
+    flake = "/home/alyx/.config/nixos";
+  };
+
+  programs.bash.shellAliases = {
+    nano = "nvim";
+  };  
+
   nix.package = pkgs.lix;  
   nix.buildMachines = [ {
-	 hostName = "alyx@192.168.1.146";
-	 system = "x86_64-linux";
+	 hostName = "alyx@192.168.1.144";
          protocol = "ssh-ng";
 	 # if the builder supports building for multiple architectures, 
 	 # replace the previous line by, e.g.