Re: updating grub

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> On 2 Jul 2025, at 21:31, Joe Average <sixpack13@xxxxxxxxx> wrote:
> 
> Bill Cunningham wrote:
>> I just updated my fedora 41 to 42 using dnf. Now everything works find and boots but the old selection for fedora 41 is still on the bootloader options. How do I get this off? I tried something with grub2-mkconfig and that didn't work. I want the fedora 42 option (Adams) and a rescue option and my windows dual boot. Everything for fedora 41 I want to remove. What should I do?

It is normal to keep upto 3 kernels.
After an update to f42 the two previous kernels are still installed.
This is a good thing.
You might need to boot the older kernel is the f42 kenel had a problem with your hardware.

After you have done a few updates the f41 kernels will replaced with 3 f42 kernels.

So there is no need to do anything.

Barry


> 
> for rescue entries:
> needs to removed by hand under
> - /boot/loader/entries
> and
> - /boot
> and then
> - sudo grub2-mkconfig -o /boot/grub2/grub.cfg
> 
> for kernel and kernel-devel:
> - rpm -q kernel-core (and maybe for kernel-devel)
> - sudo dnf remove <f41-kernels>
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