Ubuntu 20.04.6 LTS apt problems - how to upgrade f/w?

[Bo Berglund]

On Tue, 26 Nov 2024 21:29:20 +0100, Bo Berglund <bo.berglund at gmail.com> wrote:

>I switched off a non-important task which opened up the window for reboot
>between 9 and 10 tonight and rebooted today...
>
>The logon message after the reboot reads:
>
>Expanded Security Maintenance for Applications is enabled.
>
>Your Hardware Enablement Stack (HWE) is supported until April 2025.
>
>*** Kernel upgrade required. Kernel 5.4.0-89.100-generic Livepatch coverage has
>ended ***
>
>And checking the system:
>
>$ uname -r
>5.4.0-89-generic
>
>$ dpkg --list 'linux-image*' | grep ^ii
>ii  linux-image-5.15.0-126-generic          5.15.0-126.136~20.04.1 amd64
>Signed kernel image generic
>ii  linux-image-5.4.0-200-generic           5.4.0-200.220          amd64
>Signed kernel image generic
>ii  linux-image-5.4.0-89-generic            5.4.0-89.100           amd64
>Signed kernel image generic
>ii  linux-image-generic                     5.4.0.200.196          amd64
>Generic Linux kernel image
>ii  linux-image-generic-hwe-20.04           5.15.0.126.136~20.04.1 amd64
>Generic Linux kernel image
>
>So it seems like now the situation is that there are several later kernels on
>the system but it still uses the very oldest....
>
>How can I make it upgrade to the latest kernel???
>
>It seems like it keeps the old kernel and boots back to it after the
>installations have been done...
>
>How can I make the system boot to the new kernel?
>Is there some tool to modify the grub menu to boot into the new kernel?
>
>As I said I have no hardware access, just SSH (using PuTTY)....

Now I even did

$ sudo update-grub

$ sudo reboot

When I came back it was still using the 5.4.0-89-generic kernel...

This is really strange, why does it behave like this?


-- 
Bo Berglund
Developer in Sweden