Here's what I do. It's on RHEL, but the process is the same for Fedora.
First, find all kernels which are installed.The last one is the latest,
so we ignore that one.
----------------------------------
[root@neuromancer ~]# rpm -qa kernel | sort
kernel-5.14.0-284.25.1.el9_2.x86_64
kernel-5.14.0-284.30.1.el9_2.x86_64
kernel-5.14.0-362.8.1.el9_3.x86_64
----------------------------------
Grab the version number for the oldest two and use that to find all
related packages installed on my machine:
----------------------------------
[root@neuromancer ~]# rpm -qa | grep -e 5.14.0-284.25.1 -e 5.14.0-284.30.1
kernel-modules-core-5.14.0-284.25.1.el9_2.x86_64
kernel-core-5.14.0-284.25.1.el9_2.x86_64
kernel-modules-5.14.0-284.25.1.el9_2.x86_64
kernel-5.14.0-284.25.1.el9_2.x86_64
kernel-core-5.14.0-284.30.1.el9_2.x86_64
kernel-modules-core-5.14.0-284.30.1.el9_2.x86_64
kernel-modules-5.14.0-284.30.1.el9_2.x86_64
kernel-5.14.0-284.30.1.el9_2.x86_64
----------------------------------
Now remove all the RPMs with those version numbers. This is all one long
command:
----------------------------------
[root@neuromancer ~]# dnf remove
kernel-modules-core-5.14.0-284.25.1.el9_2.x86_64
kernel-core-5.14.0-284.25.1.el9_2.x86_64
kernel-modules-5.14.0-284.25.1.el9_2.x86_64
kernel-5.14.0-284.25.1.el9_2.x86_64
kernel-core-5.14.0-284.30.1.el9_2.x86_64
kernel-modules-core-5.14.0-284.30.1.el9_2.x86_64
kernel-modules-5.14.0-284.30.1.el9_2.x86_64
kernel-5.14.0-284.30.1.el9_2.x86_64
Updating Subscription Management repositories.
Dependencies resolved.
================================================================================
Package Arch Version Repository
Size
================================================================================
Removing:
kernel x86_64 5.14.0-284.25.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 0
kernel x86_64 5.14.0-284.30.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 0
kernel-core x86_64 5.14.0-284.25.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 56 M
kernel-core x86_64 5.14.0-284.30.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 56 M
kernel-modules
x86_64 5.14.0-284.25.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 33 M
kernel-modules
x86_64 5.14.0-284.30.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 33 M
kernel-modules-core
x86_64 5.14.0-284.25.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 31 M
kernel-modules-core
x86_64 5.14.0-284.30.1.el9_2
@rhel-9-for-x86_64-baseos-rpms 31 M
Transaction Summary
================================================================================
Remove 8 Packages
Freed space: 240 M
Is this ok [y/N]: y
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
Preparing :
1/1
Erasing : kernel-5.14.0-284.30.1.el9_2.x86_64
1/8
Running scriptlet: kernel-5.14.0-284.30.1.el9_2.x86_64
1/8
Erasing : kernel-5.14.0-284.25.1.el9_2.x86_64
2/8
Running scriptlet: kernel-5.14.0-284.25.1.el9_2.x86_64
2/8
Erasing : kernel-modules-5.14.0-284.25.1.el9_2.x86_64
3/8
Running scriptlet: kernel-modules-5.14.0-284.25.1.el9_2.x86_64
3/8
Erasing : kernel-modules-5.14.0-284.30.1.el9_2.x86_64
4/8
Running scriptlet: kernel-modules-5.14.0-284.30.1.el9_2.x86_64
4/8
Erasing : kernel-modules-core-5.14.0-284.30.1.el9_2.x86_64
5/8
Running scriptlet: kernel-modules-core-5.14.0-284.30.1.el9_2.x86_64
5/8
Running scriptlet: kernel-core-5.14.0-284.30.1.el9_2.x86_64
6/8
/usr/sbin/weak-modules: line 1086: cd:
/lib/modules/5.14.0-284.30.1.el9_2.x86_64/weak-updates: No such file or
directory
Erasing : kernel-core-5.14.0-284.30.1.el9_2.x86_64
6/8
warning: file
/lib/modules/5.14.0-284.30.1.el9_2.x86_64/modules.builtin.modinfo:
remove failed: No such file or directory
warning: file /lib/modules/5.14.0-284.30.1.el9_2.x86_64/modules.builtin:
remove failed: No such file or directory
Running scriptlet: kernel-core-5.14.0-284.30.1.el9_2.x86_64
6/8
Erasing : kernel-modules-core-5.14.0-284.25.1.el9_2.x86_64
7/8
Running scriptlet: kernel-modules-core-5.14.0-284.25.1.el9_2.x86_64
7/8
Running scriptlet: kernel-core-5.14.0-284.25.1.el9_2.x86_64
8/8
/usr/sbin/weak-modules: line 1086: cd:
/lib/modules/5.14.0-284.25.1.el9_2.x86_64/weak-updates: No such file or
directory
Erasing : kernel-core-5.14.0-284.25.1.el9_2.x86_64
8/8
warning: file
/lib/modules/5.14.0-284.25.1.el9_2.x86_64/modules.builtin.modinfo:
remove failed: No such file or directory
warning: file /lib/modules/5.14.0-284.25.1.el9_2.x86_64/modules.builtin:
remove failed: No such file or directory
Running scriptlet: kernel-core-5.14.0-284.25.1.el9_2.x86_64
8/8
Verifying : kernel-5.14.0-284.25.1.el9_2.x86_64
1/8
Verifying : kernel-5.14.0-284.30.1.el9_2.x86_64
2/8
Verifying : kernel-core-5.14.0-284.25.1.el9_2.x86_64
3/8
Verifying : kernel-core-5.14.0-284.30.1.el9_2.x86_64
4/8
Verifying : kernel-modules-5.14.0-284.25.1.el9_2.x86_64
5/8
Verifying : kernel-modules-5.14.0-284.30.1.el9_2.x86_64
6/8
Verifying : kernel-modules-core-5.14.0-284.25.1.el9_2.x86_64
7/8
Verifying : kernel-modules-core-5.14.0-284.30.1.el9_2.x86_64
8/8
Installed products updated.
Removed:
kernel-5.14.0-284.25.1.el9_2.x86_64
kernel-5.14.0-284.30.1.el9_2.x86_64
kernel-core-5.14.0-284.25.1.el9_2.x86_64
kernel-core-5.14.0-284.30.1.el9_2.x86_64
kernel-modules-5.14.0-284.25.1.el9_2.x86_64
kernel-modules-5.14.0-284.30.1.el9_2.x86_64
kernel-modules-core-5.14.0-284.25.1.el9_2.x86_64
kernel-modules-core-5.14.0-284.30.1.el9_2.x86_64
Complete!
----------------------------------
Now take a look in /boot to verify there's no cruft left over:
----------------------------------
[root@neuromancer ~]# ls /boot/
config-5.14.0-362.8.1.el9_3.x86_64
efi
extlinux
grub2
initramfs-0-rescue-15a772f5f71f455cb62f800c28a6d90b.img
initramfs-5.14.0-362.8.1.el9_3.x86_64.img
initramfs-5.14.0-362.8.1.el9_3.x86_64kdump.img
loader
symvers-5.14.0-362.8.1.el9_3.x86_64.gz
System.map-5.14.0-362.8.1.el9_3.x86_64
vmlinuz-0-rescue-15a772f5f71f455cb62f800c28a6d90b
vmlinuz-5.14.0-362.8.1.el9_3.x86_64
----------------------------------
As far as having the wrong rescue kernel, or too many, check out the
thread at
https://lists.fedoraproject.org/archives/list/[email protected]/thread/DI76W7ARJAKOZLF4QN7XXTLZGL43LY2O/
Especially look at the comment from Jerry James. I tested it on a VM and
it worked fine for me.
Hope this is helpful.
Thomas
--
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