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rated 0 times [  4] [ 0]  / answers: 1 / hits: 3485  / 2 Years ago, thu, may 5, 2022, 1:24:42

I have installed to versions of Ubuntu, one up-to-date Xubuntu and a 12.04.5LTS Ubuntu. I first installed Xubuntu and later Ubuntu. Since the 12.04 would not write a correct grub-conf on install (I set up encryption for Xubuntu following this guide) i decided to let the grub conf on the efi partition load the grub conf from Xubuntus /boot partition. While I can now boot both OS's I get some errors about grub not being allowed to load some modules (error: Secure Boot forbids loading module from (XX,YY)).
I assume that this has something to do with efi and beeing signed. What is the easiest way to fix this? Can I simply reinstall grub from the Xubuntu?


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 Answers
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I found https://wiki.ubuntu.com/SecurityTeam/SecureBoot.

Reinstalling grub with the --uefi-secure-boot option fixed the problem for me.



sudo grub-install --uefi-secure-boot

[#22888] Friday, May 6, 2022, 2 Years  [reply] [flag answer]
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