On Thu, 7 Apr 2011, Ljubomir Ljubojevic wrote: > Just newer kernel and newer core packages that can drive newer > applications. CentOS 5.5 kernel and core packages are 3-4 years old in > the (Linux) world that dramatically changed since then. I wouldn't refer to the 5.5 kernel as 3-4 years old as there are significant backports to the EL5 kernel such that 5.5's kernel is measurably different to 5.0, and even further away from 2.6.18. jh