On Fri, May 30, 2008 at 07:51:24AM -0700, Adrian Marsh wrote: > Hi All, > > I’ve a question on upgrading Centos with the least downtime… > > I’ve a centos 4.6 machine, hosting my local Centos respository. I’d > like to upgrade the OS to 5.1 > > I’ve practised in a VMware machine upgrading it by booting from a CD, > but I wondered if YUM could do it, whilst keeping the rest of the > machine “alive”. > > Am I better to shutdown and upgrade, or is yum really *that* good? I believe the 4.x -> 5.x path via yum is doable but actually tends to be a bit of work (I think I recall a rather detailed forum post describing the procedure). I think the anaconda (from CD) method would probably be your smoothest option. Ray