diff --git a/hosts/yodaTuxHeadless/configuration.nix b/hosts/yodaTuxHeadless/configuration.nix
index f8cee92..4867d5b 100644
--- a/hosts/yodaTuxHeadless/configuration.nix
+++ b/hosts/yodaTuxHeadless/configuration.nix
@@ -10,9 +10,30 @@
     ../../modules/base-efi-systemd.nix
     ../../modules/headless.nix
 
+    # Reduce size, see https://sidhion.com/blog/nixos_server_issues/
+    #<nixpkgs/nixos/modules/profiles/minimal.nix>
+    ##<nixpkgs/nixos/modules/profiles/perlless.nix>
+
     ./cpu-fixed-frequency.nix
     ../../modules/java.nix
   ];
 
-  boot.kernelPackages = pkgs.linuxPackages_latest;
+  #boot.kernelPackages = pkgs.linuxPackages_latest;
+  boot.kernelPackages = pkgs.linuxPackages_zen;
+
+  # Reduce size, see https://sidhion.com/blog/nixos_server_issues/
+  #nix.enable = false;
+  #services.udev.enable = false;
+
+  # Reduce size, see https://github.com/nix-community/nixos-images/blob/0445e18f137cfe4ad7313e9569d06a67219f6ca5/nix/noninteractive.nix#L56-L66
+  #security.sudo.enable = false;
+  #security.polkit.enable = lib.mkForce false;
+  #documentation.man.enable = false;
+  #services.dbus.implementation = "broker";
+  #security.pam.services.su.forwardXAuth = lib.mkForce false;
+
+  # Network is disabled, so no need for these system services.
+  services.nscd.enable = false;
+  system.nssModules = lib.mkForce [];
+  networking.dhcpcd.enable = false;
 }