Help! secure boot is preventing boot of debian

From	Richmond <dnomhcir@gmx.com>
Newsgroups	linux.debian.user
Subject	Help! secure boot is preventing boot of debian
Date	2024-06-01 21:10 +0200
Message-ID	<IKCh3-hvRP-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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I have a PC with two operating systems installed, Debian, and Opensuse.
Both are installed with Secure Boot. Each has its own grub installation.
Normally I boot debian, and if I want to boot opensuse I select UEFI
settings from the main menu and select opensuse from there which
launches the opensuse grub. Today I booted opensuse, and did an update
which included an update to grub. Now I cannot boot debian as it says
bad shim or bad signature.

Each grub menu has the alternate O.S. on it, but booting debian from the
opensuse grub menu did not work either.

Should I disable secure boot temporarily? will that allow booting?

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Help! secure boot is preventing boot of debian Richmond <dnomhcir@gmx.com> - 2024-06-01 21:10 +0200
  Re: Help! secure boot is preventing boot of debian Marco Moock <mm@dorfdsl.de> - 2024-06-01 21:40 +0200
    Re: Help! secure boot is preventing boot of debian Richmond <dnomhcir@gmx.com> - 2024-06-01 22:20 +0200
      Re: Help! secure boot is preventing boot of debian "Thomas Schmitt" <scdbackup@gmx.net> - 2024-06-02 10:20 +0200
        Re: Help! secure boot is preventing boot of debian Richmond <dnomhcir@gmx.com> - 2024-06-02 14:10 +0200

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