[CentOS-devel] CentOS/RHEL 5.3

Alain PORTAL alain.portal at free.fr
Fri Jan 16 19:49:01 UTC 2009


Le vendredi 16 janvier 2009, seth vidal a écrit :
> On Fri, 2009-01-16 at 19:16 +0100, Alain PORTAL wrote:
> >
> > OK. If you say it, I trust you ;-)
> > I thought an upgrade was needed.
>
> a long time ago that was potentially true.
>
> the difference between yum update and yum upgrade was whether or not
> obsoletes were processed. In an upgrade they were, in an update they
> defaulted to not. This was necessary in a world where mutually
> obsoleting pkgs were allowed. Since about rhel4 and beyond no one has
> been letting a distro out the door with mutually obsoleting pkgs. So it
> was not longer a big deal.
>
> obsoletes=1 is now the yum default.
>
> Hope that helps.

For understanding, yes.

Thanks
-- 
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