1 files changed, 8 insertions, 3 deletions
diff --git a/config/common.nix b/config/common.nix
index 873d94c..0221254 100644
--- a/config/common.nix
+++ b/config/common.nix
@@ -21,10 +21,15 @@
   ];
   time.timeZone = "America/New_York";
 
+  services = {
+    openssh.passwordAuthentication = false;
+  };
+
   nix = {
-    useSandbox = true;
-    maxJobs = 8;
-    buildCores = 0;  # auto configure
+    useSandbox = lib.mkDefault true;
+    maxJobs = lib.mkDefault 16;
+    buildCores = lib.mkDefault 0;  # auto configure
+    gc.automatic = lib.mkDefault true;
   };
 
   boot.cleanTmpDir = true;