We offer a quick support via mailing list during the pilot phase. Please register here:
https://lists.rwth-aachen.de/postorius/lists/rhel-pilot.lists.rwth-aachen.de/
After the confirmation (=reply to the received mail + approval of the IT Center), you can ask any question to rhel-pilot@lists.rwth-aachen.de. Please note that also other pilot users can see your mail. Please feel free to also answer any questions of other users ("community approach").