Re: clean-up of old kernel fragments.

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On Tue, Oct 22, 2024 at 8:42 PM home user via users
<users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> (f-40; gnome; stand-alone dual-boot workstation; kernel 6.11.3)
>
> Selected command output...
>
> -bash.2[~]: rpm -qa kernel
> kernel-6.10.12-200.fc40.x86_64
> kernel-6.11.3-200.fc40.x86_64
> -bash.3[~]:
>
> -bash.3[~]: rpm -qa kernel-core
> kernel-core-6.10.12-200.fc40.x86_64
> kernel-core-6.11.3-200.fc40.x86_64
> -bash.4[~]:

Related, be sure to look in /lib/modules for old kernel artifacts.
There have been several bugs related to proceccessing old kernel
removals. The removal scripts would _not_ remove the directory if they
were not empty, and the script had a bug that left a few small files.

Something like this is safe to run to cleanup /lib/modules:

# https://bugzilla.redhat.com/show_bug.cgi?id=2185410
clean_lib_modules() {
    if [[ -d "/lib/modules" ]]; then
        echo "Cleaning /lib/modules"
        # dirs=($(ls /lib/modules))
        mapfile -t dirs < <(ls /lib/modules)
        for dir in "${dirs[@]}"
        do
            dir="/lib/modules/${dir}"
            if [ "$(du -s -B 4096 "${dir}" | awk '{print $1}')" -lt 4096 ]
            then
                echo "  removing ${dir}"
                rm -rf "${dir}" 2>/dev/null
            fi
        done
    fi
}

Jeff
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