anchor.diff:              chown ${ntpUser} ${stateDir}
             '';
   
  -        exec = "ntpd -g -n ${ntpFlags}";
  +        serviceConfig = {
  +          ExecStart = "@${ntp}/bin/ntpd ntpd -g -n ${ntpFlags}";
  +        };
         };
   
     };
  
positive.code: 
    config = mkIf config.services.ntp.enable {
  
      # Make tools such as ntpq available in the system path
      environment.systemPackages = [ pkgs.ntp ];
  
      users.extraUsers = singleton
  
negative.code:         home = stateDir;
        };
  
      systemd.services.ntpd =
        { description = "NTP Daemon";
  
          wantedBy = [ "multi-user.target" ];
  
          preStart =
            ''
  