{pkgs, ...}: {
  ark = {
    # FIXME Enable on a fresh system!
    # files = ["/etc/machine-id"];
    directories = ["/var/lib/systemd/coredump"];
  };

  hm.systemd.user.startServices = "sd-switch";

  services.journald.extraConfig = ''
    SystemMaxUse=5G
  '';

  systemd = let
    extraConfig = ''
      DefaultTimeoutStartSec=30s
      DefaultTimeoutStopSec=15s
    '';
  in {
    inherit extraConfig;
    user = {inherit extraConfig;};
  };

  environment.sessionVariables = {
    SYSTEMD_PAGER = "${pkgs.less}/bin/less";
    SYSTEMD_LESS = "FRSXMK";
  };
}