[main]
# next line (re http_caching) added by LJ to fix Error1 Metadata doesn't match ... on 6/14/06
http_caching=packages
cachedir=/var/cache/yum
keepcache=0
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=redhat-release
tolerant=1
exactarch=1
obsoletes=1
gpgcheck=1
plugins=1
metadata_expire=1800
# PUT YOUR REPOS HERE OR IN separate files named file.repo
# in /etc/yum.repos.d
worked for me like a breeze after adding the line in /etc/yum.conf .