On Thu, May 07, 2020 at 03:30:08PM +0200, Roman Meier wrote: > I rather seriously messed up my Debian Edu server this morning! > > I booted the server using a Debian-liveCd and it seems this did some harm > to grub for reasons unknown since I didn't do any installation or changes > to the system I'm aware of. [..] > Any ideas how to fix this? You could try to use the Debian Installer's rescue mode, see: https://wiki.debian.org/DebianEdu/Documentation/Buster/Installation#Installation_types_and_options (Advanced options -> Rescue mode) to inspect the broken system, i.e: just use the Debian Edu Buster Netinst ISO to boot your main server, see: https://wiki.debian.org/DebianEdu/Status/Buster#Download_using_http Good luck, Wolfgang
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