What is the proper method to remove old kernels from a Red Hat Enterprise Linux system?

Posted on 2022-05-01 Edited on 2023-07-10 In devops

Red Hat Enterprise Linux 8

The YUM version 4 (based on the upstream DNF project) method for removing kernels and keeping only the latest version and running kernel:

1	$ yum remove --oldinstallonly

From the yum man page:

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dnf [options] remove --oldinstallonly
    Removes old installonly packages, keeping only latest versions and  version  of  running
    kernel.