add generators and clean up directories

platforms/nixos/modules/nmasur/presets/services/openssh-aws.nix

@@ -0,0 +1,27 @@
+# SSHD settings for AWS machines
+
+{
+  config,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.nmasur.presets.services.openssh-aws;
+in
+{
+
+  options.nmasur.presets.services.openssh-aws = {
+    enable = lib.mkEnableOption "OpenSSH on AWS VMs";
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.openssh = {
+      settings = {
+        # AWS settings require this
+        PermitRootLogin = lib.mkForce "prohibit-password";
+      };
+    };
+
+  };
+}

platforms/nixos/modules/nmasur/profiles/base.nix

@@ -52,19 +52,6 @@ in
       pkgs.curl
     ];
 
-    # Include home-manager config in NixOS
-    home-manager = {
-      sharedModules = [ ../../../../home-manager ];
-
-      # Use the system-level nixpkgs instead of Home Manager's
-      useGlobalPkgs = lib.mkDefault true;
-
-      # Install packages to /etc/profiles instead of ~/.nix-profile, useful when
-      # using multiple profiles for one user
-      useUserPackages = lib.mkDefault true;
-
-    };
-
     # Extending time for home-manager build for things like nix-index cache
     systemd.services."home-manager-${username}" = {
       serviceConfig.TimeoutStartSec = lib.mkForce "45m";