[CentOS] Kernel ELsmp vs EL

Jim Perrin jperrin at gmail.com
Thu Sep 7 02:11:39 UTC 2006

On 9/6/06, Sebastien Tremblay <sebastien.tremblay at au.cmpmedica.com> wrote:
> Hi all,
> I'm not very used to CentOS and Linux generally speaking, though I read
> a lot and 'man' quickly became a very good friend of mine, right after
> Google, so sorry if that's a ridiculous one! (at least it'll give you a
> good laugh!)
> I updated the kernel to 2.6.9-42.0.2 recently and that raised a
> question... Simple... Yet silly...! What exactly is the difference
> between 2.6.9-42.0.2EL and 2.6.9-42.0.2ELsmp? It seems the default
> install was the 'smp' kernel, but as I had to change the grub config I
> stumbled across this one and... started wondering...

SMP is for dual processor (or dual core) systems. The default EL
kernel is for a single processor system, but is installed as a
failsafe kernel on smp systems "just in case".

During times of universal deceit, telling the truth becomes a revolutionary act.
George Orwell

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