On Thu, Aug 5, 2010 at 10:43 AM, Tom Georgoulias <tomg at mcclatchyinteractive.com> wrote: > On 08/05/2010 10:24 AM, Kwan Lowe wrote: >> Has anyone ever tried to mass replace installed RedHat RPMS with their >> equivalent CentOS versions or vice versa? > >> I've seen posts that RHEL -> CentOS is at least possible. That is, >> take a RHEL system and get it to update via YUM and CentOS >> repositories. I have not seen the reverse, however. > > Check this out, it will point you in the right direction: > > http://blog.famillecollet.com/post/2010/04/15/Switch-from-CentOS-5.4-to-RHEL-5.5 Holy heck, that looks very much like what I'm trying to do.. I'm running an CentOS4/RHEL4, but that's a lot of useful information.. Thank you..