[CentOS] How do I remove a kernel

[Stephen John Smoogen]

On Tue, 8 Jan 2019 at 17:58, Robert Moskowitz <rgm at htt-consult.com> wrote:

>
>
> On 1/8/19 5:30 PM, mark wrote:
> > Robert Moskowitz 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-rest-of-kernel-name, for example
> > yum remove kernel-3.10.0-862.2.3.el7.x86_64
>
> # yum remove kernel-4.14.28-201.el7.centos.armv7hl
> Loaded plugins: fastestmirror
> Resolving Dependencies
> --> Running transaction check
> ---> Package kernel.armv7hl 0:4.14.28-201.el7.centos will be erased
> --> Finished Dependency Resolution
>
> Dependencies Resolved
>
>
> ================================================================================
>   Package   Arch       Version Repository                Size
>
> ================================================================================
> Removing:
>   kernel    armv7hl    4.14.28-201.el7.centos @instKern/$releasever    0.0
>
> Transaction Summary
>
> ================================================================================
> Remove  1 Package
>
> Installed size: 0
> Is this ok [y/N]:
>
> Only freed up 12MB.  All the other kernel components are still there:
>

what other components? Can you give some details on what you are seeing
staying around? That will help (especially since people didn't know from
the first email you are on a arm system which may have different items than
an x86_64)



> How do I get rid of the whole lot?
>
>
> thanks
>
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-- 
Stephen J Smoogen.