[CentOS] Can't update kernel, says not enough space

Guillermo Garron guillermo.fedora at gmail.com
Mon Aug 28 15:03:26 UTC 2006


On 8/28/06, John Hinton <webmaster at ew3d.com> wrote:
> Rodrigo Barbosa wrote:
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > On Mon, Aug 28, 2006 at 03:09:06PM +1200, Tony Wicks wrote:
> >
> >>> On Sun, Aug 27, 2006 at 09:59:04PM -0500, techlist wrote:
> >>>
> >>>> Transaction Check Error:   installing package kernel-2.6.9-42.0.2.EL
> >>>> needs 6MB on the / filesystem
> >>>>
> >>>> But I have much more than 6M:
> >>>>
> >>> That is a common, confusing error.
> >>>
> >>> What it should say is "needs 6MB more than what is currently avaliable".
> >>>
> >>> []s
> >>>
> >> This is why I've always been opposed to this "over partitioning" that
> >> people do. It made some sense when hard drives were 2 gig but now it
> >> just causes problems for no tangible gain.
> >>
> >>
> >
> > You are quite wrong there. Are is plenty of gain on "correct partitioning".
> > Having the correct number of partitions will make it possible to you
> > to have partitions with different flag (/usr as read-only, /tmp as
> > nosuid/noexec, /var/log as non-journaling etc), giving you flexibility,
> > speed and security.
> >
> > The problem is that many people (not saying that is the case here)
> > don't know how to do it right, or even why they are doing it. In
> > those cases, they should stick to the 4 basic partitions (/boot, /,
> > /tmp and swap). But if you know what you are going, partitioning the
> > disk correctly is the best thing to do.
> >
> Agreed.. not to mention what happens when the single partition fills!
> It's nice to have the OS pretty much protected from no space.
>
> Anyway, back to the root of the problem. If the machine has been running
> a while and has been updated regularly, you likely have 2, 3, 4, or more
> kernels on the system. Uninstall one or more of the older ones 'NOT' in
> use and you'll have room again. If it's multi-processor, you'll have two
> kernels for each update. Just be sure you are only removing the kernels
> and the old ones.

you can use this,

# yum install yum-utils
# package-cleanup --oldkernels

regards,
Guillermo.



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