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Negrito
Asked: 2020-02-26 05:18:37 +0800 CST

How to let grub display all kernels

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As I have some issue with VirtualBox and I know that it is because of the current kernel 5.3.0.28, I decided to boot in 4.18.0.20, which supports VM. I checked my available kernels and I do see it is there.

enter image description here

However as I boot into the grub, I can only see the latest ones (5.3.0.28 and 5.3.0.26(no screenshot in grub).

virtualbox grub2 kernel

1 Answers

  1. Best Answer

    Since you only have those 2 kernel versions available in /boot there is no surprise grub only lists those. You seem to have the modules installed for a lot of different kernel versions, but without the actual kernel image grub will (obviously) not generate a menu entry for them.

    Since you have the kernel modules for those particular versions, I can only guess the kernel was installed at some point, but removed later on.

    Simply installing linux-image-<version>-generic should do the trick and it should also update the grub menu for you.

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