diff --git a/flake.nix b/flake.nix
index 7cce97e..912ebfc 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,6 +24,10 @@
         system = "x86_64-linux";
         specialArgs = { inherit inputs; };
         modules = [
+          { nix = {
+              nixPath = [ "nixpkgs=${nixpkgs}" ];
+            };
+          }
           entrypoint
           NixOS-WSL.nixosModules.wsl
           home-manager.nixosModules.home-manager
diff --git a/nixos-configurations/server/default.nix b/nixos-configurations/server/default.nix
index 5b9f421..edf84eb 100644
--- a/nixos-configurations/server/default.nix
+++ b/nixos-configurations/server/default.nix
@@ -6,6 +6,8 @@
     ../shared.nix
   ];
 
+  nix.settings.trusted-users = [ "thiloho" ];
+
   networking = {
     hostName = "server";
     firewall = {
@@ -29,7 +31,10 @@
         white-list = true;
       };
     };
-    openssh.enable = true;
+    openssh = {
+      enable = true;
+      settings.PasswordAuthentication = false;
+    };
     nginx = {
       enable = true;
       virtualHosts = {