[CentOS] yum configuration

On 29-03-2013 14:59, Stephen Harris wrote:
> On Fri, Mar 29, 2013 at 02:54:58PM +0200, Andreas K. wrote:
>> 
>> baseurl=ftp://yum.xx.xx.xx.xx/pub/linux/centos/$releasever/os/$basearch/
>> Is there a way to force a 6.3 machine to remain at 6.3 until
>> a human being decides that is is time to do so?
>
> Change releasever to 6.3 for base and updates and any other repo that 
> might
> refer to it.

thanks for replying.
I was hoping ot a more dynamic approach though since the number of 
affected machines
is in excess of 150. For example simply changing the $releasever to 6.3 
and then to 6.4
and then to 6.5 every time a new version come along is not practical.
Looking into the 'man yum.conf' I find that

$releasever This will be replaced with the value of the version of the 
package
listed in distroverpkg. This defaults to the version  of 
‘redhat-release’ package.

distroverpkg  The  package  used  by  yum to determine the "version" of 
the
distribution. This can be any installed package. Default is 
‘redhat-release’.
You can see what provides this manually by using: "yum whatprovides 
redhat-release".

Doing

[root at cs6979 yum.repos.d]# yum whatprovides redhat-release
.................
centos-release-6-4.el6.centos.10.x86_64 : CentOS release file
Repo        : CS-base
Matched from:
Other       : redhat-release

centos-release-6-3.el6.centos.9.x86_64 : CentOS release file
Repo        : installed
Matched from:
Other       : Provides-match: redhat-release

So the installed package is version 6.3.
Am I overlooking/misinterpreting something?

Andreas