[CentOS] How do I remove a kernel

Tue Jan 8 22:29:24 UTC 2019
Stephen John Smoogen <smooge at gmail.com>

On Tue, 8 Jan 2019 at 17:23, Robert Moskowitz <rgm at htt-consult.com> wrote:

> I have 4 kernels in /boot, leaving on 20MB which is not enough for the
> next one.
> I had installonly_limit= set at 5, as there were some kernel problems.
> After I got the error that there was not enough room for another kernel,
> I set installonly_limit= to 3 and did the update with --exclude=kernel*
> That worked to update everything else, but not remove the oldest kernel.
> How can I remove the oldest kernel to make room for the new one?

yum remove kernel-3.10.0-862.2.3.el7.x86_64 # or whatever the name is.

For the YOLO approach

yum remove $( rpm -q kernel | sort -n | head -n 2 )

That should work currently (though a safer method might be done).. I am not
sure if it will correctly deal with kernel-3.10.0-1234.5.6.el7.x86_64

> thanks
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos

Stephen J Smoogen.