How to remove outdated kernel on CloudLinux 8

Issue

How to remove outdated kernel on CloudLinux 8 and 9

Environment

• CloudLinux 8,9

Solution

For CloudLinux 8 use:

# yum remove --oldinstallonly 

In case when a user-defined number of kernels should be retained (similar to the --count functionality for package-cleanup), the following can be used. In the example below, the intent is to retain the latest 3 install only packages:

# yum remove $(yum repoquery --installonly --latest-limit=-3 -q)