>> I currently have no idea how to express this in systemd terms. If someone on > >> this list could provide some advice, it would be much appreciated. > > As for the recent "firmware flashing" thread I think it would be best to > handle that via some boot parameter and something like a "boot once" boot entry > that adds that specific parameter. > I also think the clearing should be best done in initrd before the real root > filesystem is mounted. That should be most flexible. The more I think about it, the more I like your approach. Thanks, Ulrich.