Re: Too many Kernels at boot

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The prior rpm -e that uninstalled the kernel rpms (no telling how long ago this was) was unable to remove stuff from boot becuse of likely some issue with /boot not being mounted, or read only or several other possible issues. This is why kernel and inits do not get removed from /boor but the rpm is long gone.

On Mon, Aug 28, 2023, 7:30 PM Robert Nichols <rnicholsNOSPAM@xxxxxxxxxxx> wrote:
On 8/28/23 19:16, Roger Heflin wrote:> On Mon, Aug 28, 2023 at 7:06 PM Robert Nichols
> <rnicholsNOSPAM@xxxxxxxxxxx> wrote:
>>
>> On 8/28/23 18:54, ToddAndMargo via users wrote:
>>> On 8/27/23 21:07, Samuel Sieb wrote:
>>>> On 8/27/23 20:20, Jeffrey Walton wrote:
>>>>> On Sun, Aug 27, 2023 at 11:05 PM ToddAndMargo via users
>>>>> <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>>>>>>
>>>>>> Fedora 38
>>>>>>
>>>>>> When I boot up, I get a bazillion kernel choices,
>>>>>> most are not Fedora 38:
>>>>>>
>>>>>> Sorry for the flash.  I could not turn it
>>>>>> to turn off
>>>>>>
>>>>>> https://imgur.com/7Mi5E3W.png
>>>>>>
>>>>>> The extra kernels are from Fedora 37 and 36.
>>>>>>
>>>>>> This is what Fedora 38 says I have:
>>>>>>
>>>>>> $ rpm -qa kernel
>>>>>> kernel-6.4.10-200.fc38.x86_64
>>>>>> kernel-6.4.11-200.fc38.x86_64
>>>>>> kernel-6.4.12-200.fc38.x86_64
>>>>>>
>>>>>> Do I really have all those extra kernels?
>>>>>>
>>>>>> How do I clean things up?
>>>>
>>>> Look in /boot to see if there are actually kernels and initrd files for the entries.  If there are, you will have to manually delete them.
>>>> Look in /boot/loader/entries/ to see if there are conf files for those entries and delete the ones that don't match installed kernel packages.
>>>>
>>>>> https://docs.fedoraproject.org/en-US/quick-docs/upgrading-fedora-offline/#sect-clean-up-old-kernels
>>>>
>>>> That won't help in this case because the relevant entries don't have installed packages.
>>>
>>> Hi All,
>>>
>>> Sam's directions worked perfectly.  Thank you Sam!
>>>
>>> My new boot menu:
>>> https://imgur.com/fgABpIz.png
>>>
>>> The red smudge in the middle is my flash shooting
>>> through my finger.  Chuckle.
>>>
>>> -T
>>>
>>> This is what I did:
>>>
>>> How to remove kernels that are not suppose to be there
>>> and do not show in rpm:
>>>
>>> # rpm -qa kernel
>>> kernel-6.4.10-200.fc38.x86_64
>>> kernel-6.4.11-200.fc38.x86_64
>>> kernel-6.4.12-200.fc38.x86_64
>>>
>>>
>>> Note: substitute fc38 with your current kernel revision
>>>
>>> $ su
>>> # cd /boot
>>>
>>> # ls | grep -i vmlinuz
>>> vmlinuz-0-rescue-25f870556c344b599c639eb386296fa2
>>> vmlinuz-5.18.10-200.fc36.x86_64
>>> vmlinuz-6.0.11-300.fc37.x86_64
>>> vmlinuz-6.0.12-200.fc36.x86_64
>>> vmlinuz-6.2.12-200.fc37.x86_64
>>> vmlinuz-6.3.12-100.fc37.x86_64
>>> vmlinuz-6.3.8-100.fc37.x86_64
>>> vmlinuz-6.4.10-200.fc38.x86_64
>>> vmlinuz-6.4.11-200.fc38.x86_64
>>> vmlinuz-6.4.12-200.fc38.x86_64
>>>
>>> # ls | grep -i fc | grep -v fc38
>>> config-5.18.10-200.fc36.x86_64
>>> config-6.0.11-300.fc37.x86_64
>>> config-6.0.12-200.fc36.x86_64
>>> config-6.2.12-200.fc37.x86_64
>>> config-6.3.12-100.fc37.x86_64
>>> config-6.3.8-100.fc37.x86_64
>>> initramfs-5.18.10-200.fc36.x86_64.img
>>> initramfs-6.0.11-300.fc37.x86_64.img
>>> initramfs-6.0.12-200.fc36.x86_64.img
>>> initramfs-6.2.12-200.fc37.x86_64.img
>>> initramfs-6.3.12-100.fc37.x86_64.img
>>> initramfs-6.3.8-100.fc37.x86_64.img
>>> symvers-5.18.10-200.fc36.x86_64.gz
>>> symvers-6.0.11-300.fc37.x86_64.gz
>>> symvers-6.0.12-200.fc36.x86_64.gz
>>> symvers-6.2.12-200.fc37.x86_64.gz
>>> symvers-6.3.12-100.fc37.x86_64.gz
>>> symvers-6.3.8-100.fc37.x86_64.gz
>>> System.map-5.18.10-200.fc36.x86_64
>>> System.map-6.0.11-300.fc37.x86_64
>>> System.map-6.0.12-200.fc36.x86_64
>>> System.map-6.2.12-200.fc37.x86_64
>>> System.map-6.3.12-100.fc37.x86_64
>>> System.map-6.3.8-100.fc37.x86_64
>>> vmlinuz-5.18.10-200.fc36.x86_64
>>> vmlinuz-6.0.11-300.fc37.x86_64
>>> vmlinuz-6.0.12-200.fc36.x86_64
>>> vmlinuz-6.2.12-200.fc37.x86_64
>>> vmlinuz-6.3.12-100.fc37.x86_64
>>> vmlinuz-6.3.8-100.fc37.x86_64
>>>
>>>
>>> # mkdir temp
>>> # mv $( ls | grep -i fc | grep -v fc38 ) /boot/temp/.
>>>
>>> # cd /boot/loader/entries
>>> # ls | grep -i fc | grep -v fc38
>>> 25f870556c344b599c639eb386296fa2-5.18.10-200.fc36.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.0.11-300.fc37.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.0.12-200.fc36.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.2.12-200.fc37.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.3.12-100.fc37.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.3.8-100.fc37.x86_64.conf
>>>
>>> # mkdir temp
>>> # mv $( ls | grep -i fc | grep -v fc38 ) /boot/loader/entries/temp/.
>>> # ls
>>> 25f870556c344b599c639eb386296fa2-0-memtest86+.conf
>>> 25f870556c344b599c639eb386296fa2-0-rescue.conf
>>> 25f870556c344b599c639eb386296fa2-6.4.10-200.fc38.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.4.11-200.fc38.x86_64.conf
>>> 25f870556c344b599c639eb386296fa2-6.4.12-200.fc38.x86_64.conf
>>>
>>>
>>> $ reboot
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>>
>> How about the /usr/lib/modules directory? You probably still have all the modules for the old kernels there.
>>
>
> Those will probably actually be gone.  The way you get these is if the
> /boot is not visible and/or mounted and/or hidden during the rpm
> removal or there is another /boot that was incorrectly mounted at the
> time over the right boot.   The exact same thing also happens with
> installs, if wrong /boot then the kernel/initramfs gets installed
> something that is not used during boot.

In the post to which I was replying, the "rpm" command was not being used for the removal. The files were being removed manually because "rpm" did not show those kernels as being installed.

--
Bob Nichols     "NOSPAM" is really part of my email address.
                 Do NOT delete it.

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