On Mon, May 10, 2010 at 5:24 PM, Keith Christian <keith1christian at gmail.com> wrote: > What is the meaning of the "4:", "2:", "30:" and "1:" prefixes for the > following entries in yum.log? Most entries in yum.log don't have > them. That's the "Epoch" in the package. An rpm package is characterised by NEVR, which is Name Epoch Version Release. Cheers, Ralph