On Friday 11 March 2011 12:52, Lamar Owen wrote: > On Mar 11, 2011, at 11:37 AM, David Hollis wrote: > > If you are already running CentOS 5.x, you should just be able to yum > > update and you'll be fully current. No need to even run it twice. > > That's assuming that post-5.6 updates are also dropped around the same > > time as the 5.6 main release. > > If the rpm version has been bumped, and/or if yum has been updated, > it's sometimes a really good idea to 'yum upgrade rpm' and/or 'yum > upgrade yum' first, then do the others. I typically do that, but I > seem to remember getting burned by some upgrade of rpm years ago that > got that put on my 'do this when a significant update comes along' > list. It's right under the 'perform a clone/snapshot' line item > (since virtually all of my servers are, uh, virtualized (sorry, > couldn't resist), VMware snapshots are easy, pretty fast, and > wonderful when things break bad). The procedure I usually follow: yum upgrade glibc\* yum upgrade yum\* rpm\* python\* yum clean metadata yum upgrade