[CentOS] downgrade

[mattias]

i maybe asked the question litle wrong
i meen
i have centos 5.0 now
but can i downgrade to e.g let's say 2.0?
On Fri, 2010-04-02 at 14:42 -0400, m.roth at 5-cent.us wrote:
> > On Fri, 2010-04-02 at 14:25 -0400, William Warren wrote:
> >> On 4/2/2010 2:22 PM, mattias wrote:
> >> > i no i can upgrade centos the new version
> >> > but can i downgrade?
> 
> >> Backup and reload..
> 
> > so i can't use yum for downgrade
> > like upgrade
> 
> Oh, sorry, I thought you said you couldn't upgrade. Have you considered
> man yum?
>       downgrade
>            Will  try  and  downgrade a package from the version
>            currently installed to the previously highest version
>            (or the specified version).   The  depsolver  will  not
>            necessarily  work, but if you specify all the packages it should
>            work (and thus. all the simple cases will work). Also this
>            does  not  work for  "installonly"  packages,  like  Kernels.
>            downgrade operates on groups, files, provides and filelists
>            just like the "install" command.
> 
>        mark "and no, this isn't twitter, and no, know is not
>                spelled no"
> 
> 
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