From ec85fd633f2a452f71083e93a57c5976f021b265 Mon Sep 17 00:00:00 2001
From: Youwen Wu <youwenw@gmail.com>
Date: Tue, 1 Jul 2025 22:42:28 -0700
Subject: [PATCH 1/2] feat: enable systemd-resolved

---
 modules/linux/core/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/linux/core/default.nix b/modules/linux/core/default.nix
index 768fb63..29e7345 100644
--- a/modules/linux/core/default.nix
+++ b/modules/linux/core/default.nix
@@ -107,6 +107,8 @@ in
 
     services.gnome.gnome-keyring.enable = true;
 
+    services.resolved.enable = true;
+
     nix = lib.mkIf cfg.nixSaneDefaults {
       gc = lib.mkIf (!cfg.useNh) {
         automatic = true;

From 16bcf4b85a6eb4c4f7215775e40f5b428509517b Mon Sep 17 00:00:00 2001
From: Youwen Wu <youwenw@gmail.com>
Date: Tue, 1 Jul 2025 22:42:35 -0700
Subject: [PATCH 2/2] chore(callisto): set time zone and enable mullvad vpn

---
 reference/hosts/callisto/configuration.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/reference/hosts/callisto/configuration.nix b/reference/hosts/callisto/configuration.nix
index bbf20d0..aa10863 100755
--- a/reference/hosts/callisto/configuration.nix
+++ b/reference/hosts/callisto/configuration.nix
@@ -11,7 +11,8 @@
   imports = [ ./hardware-configuration.nix ];
 
   networking.hostName = "callisto";
-  time.timeZone = "America/Los_Angeles";
+  # time.timeZone = "America/Los_Angeles";
+  time.timeZone = "Asia/Shanghai";
 
   liminalOS = {
     flakeLocation = "/home/youwen/.config/liminalOS";
@@ -27,6 +28,11 @@
     };
   };
 
+  services.mullvad-vpn = {
+    enable = true;
+    package = pkgs.mullvad-vpn;
+  };
+
   boot = {
     loader.systemd-boot.enable = true;
     loader.efi.canTouchEfiVariables = false;