Re: Too many Kernels at boot

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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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