this post was submitted on 08 May 2024
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[–] [email protected] 5 points 7 months ago (3 children)

You're looking at bootloaders, not kernels; you need to enroll the kernel with one of those bootloaders. Usually running sudo update-grub while in the OS will automatically detect and add any available kernels to the default version of GRUB.

If you can't boot into the OS, you can select the kernel manually from the GRUB command line: https://www.unix-ninja.com/p/Manually_booting_the_Linux_kernel_from_GRUB

[–] TheCheddarCheese 1 points 6 months ago (2 children)

I have the kernel in the bootloader, problem is I need to enroll it with MOK manager to actually boot it in secure boot. But it starts in /boot/efi with no option to go back to /boot so I don't really understand how exactly I'm supposed to do it.

[–] [email protected] 1 points 6 months ago

I've honestly never wrestled with Secure Boot in this way; I usually disable it if it won't let me boot my preferred kernel. From my brief online searches, enrolling your own keys is possible, but that depends on the kernel modules being signed in the first place, and carries risk of bricking devices if not done correctly. So you might just want to disable Secure Boot, or otherwise stick to kernels provided by your distribution.

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