On Fri, May 30, 2008 at 8:16 AM, Sorin Srbu <sorin.srbu at gmail.com> wrote: > I did the upgrade dance with yum once when going from Fedora 5 to 7. It > worked, but took a lot of time and left a helluva' lot of obscure lib-failures > and stuff. I eventually got it working but I never felt sure it wouldn't fail > on me whenever. After running the upgraded system for a month or so w/o any > problems, I decided to do a fresh install from scratch with CentOS5 and clear > all FUD I had left. > > Yum -upgrades works, but you'll potentially spend a lot of time clearing and > fixing problems afterwards. You want a quick install, do a fresh one. Don't > forget to backup your data first though. > I upgrade between minor releases, and that seems to work fairly well. But for any major release, I'd go for a clean install. mhr