Decrease the amount of periodic mail syncs

modules/periodic.nix

@@ -121,7 +121,7 @@ in {
       /home/coolneng/.local/share/scripts/mail-sync -a
     '';
     after = [ "network-online.target" ];
-    startAt = "*-*-* *:00,15,30,45:00";
+    startAt = "*-*-* *:00,30";
   };
 
   # HACK Change home partition permissions for mopidy

modules/power.nix

@@ -50,4 +50,11 @@
   systemd.services.thinkfan.preStart = ''
     /run/current-system/sw/bin/modprobe  -r thinkpad_acpi && /run/current-system/sw/bin/modprobe thinkpad_acpi
   '';
+
+  # Undervolt CPU and GPU
+  services.undervolt = {
+    enable = true;
+    coreOffset = -120;
+    gpuOffset = -120;
+  };
 }