init server modules

Former-commit-id: 98cf8e99b0

server-modules/ssh.nix

@@ -0,0 +1,16 @@
+{ config, ... }: {
+  services.openssh = {
+    enable = true;
+    permitRootLogin = "no";
+    passwordAuthentication = false;
+    openFirewall = true;
+    ports = [ 22 ];
+    settings.AllowUsers = [ config.var.username ];
+  };
+
+  users.users."${config.var.username}" = {
+    openssh.authorizedKeys.keys = [
+      "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPG9SE80ZyBcXZK/f5ypSKudaM5Jo3XtQikCnGo0jI5E hadi@nixy"
+    ];
+  };
+}