Make update roll
#
#mirrors are made in /export/rocks/install
#
rocks create mirror http://linux21.fnal.gov/linux/scientific/55/x86_64/updates/security rollname=updates version=5.4
#remove previous versions
rocks remove roll updates
#add new version
rocks add roll updates-5.4-0.x86_64.disk1.iso
rocks enable roll updates
cd /export/rocks/install; rocks create distro
#to verify make first a yum clean
yum clean metadata
yum list