Greetings ... Thanks for your quick responce ... >> If I take a backup of /etc/yum.conf and /var/cach/yum ... Should I >> not be able to do a yum -C update without having to access the internet? > > Are the machines entirely identical? Yes, installed with a Kick Start scripts ... if you want, I can do a rpm -qa | sort > rpmpacks.log And diff them to see if there is a differance, but I am sure there is not ... > /var/cache/yum/*/headers will only have the headers for packages that > you DON'T have installed. Not the headers for ones you do have > installed. Okay, this makes a little sense ... I will check this ... So, if I have installed glib updates, the headers will be deleted after yum update? Mailed Lee