How to tune yum?

[Zubin Bharucha]

Strong wrote:
> I noticed when yum installs something, it gets a LOT of additional
> information, for example, it downloads some xml files... My question is
> how to "help" it simply to connect to one site, say base or extra and
> install the target package with, may, depended ones? My Internet traffic
> is very expansive to me so, that additional 1 Mb of spent traffic each
> time i want to install say, 300-400 kb package makes this package
> unusable for me...
> Please, help. Any knowledge/ideas appreciated.
> 

yum --disablerepo=reponame1 --disablerepo=reponame2 
--enablerepo=desiredrepo install packagename