Dear List, I'm trying to set up a lab with multiple workstations running CentOS 5. Does anybody knows how to keep the packages in sync among workstations? Ideally I want any change made on any machine be able to applied to all other machines. Alternatively, to "push" the changes (add and/or remove packages) from one central server to all other machine is also fine. Thanks Zhihao Lou P.S.: Sorry for the confusion subject line. I really don't know what's the accurate name for the feature I described here.