feat: set up nix-ssh

hosts/lambdaos/configuration.nix

@@ -50,7 +50,9 @@
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILRZXNqs7FgVeTCt2ElOARt5f/bR1gjk5bS+zCJA6C1P root@nuOS"
         "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII7X17VovmxkwhKxIg795yO1Sf7dwO50pybMRlUDLLcA hydra@nuOS"
       ];
+    write = true;
   };
+  nix.settings.trusted-users = [ "nix-ssh" ];
 
   # Allow unfree packages
   nixpkgs.config = {

hosts/nuos/configuration.nix

@@ -82,7 +82,7 @@
         home.file = {
           ".ssh/config".text = ''
             Host 192.168.42.5
-              User noa
+              User nix-ssh
           '';
         };
       };

hosts/nuos/root.nix

@@ -50,7 +50,7 @@
     # '';
     ".ssh/config".text = ''
       Host 192.168.42.5
-        User noa
+        User nix-ssh
     '';
   };