{ pkgs, lib, nixpkgs-systemd-256, ... }: { systemd = { package = lib.mkDefault (nixpkgs-systemd-256.legacyPackages.x86_64-linux.systemd.override { withHomed = false; }); sleep.extraConfig = '' HibernateDelaySec=2h ''; oomd = { enable = true; enableSystemSlice = true; enableRootSlice = true; enableUserSlices = true; }; watchdog = { runtimeTime = "30s"; rebootTime = "10m"; }; }; }