On Tue, Dec 16, 2008 at 3:04 PM, Davide Cittaro <davide.cittaro at ifom-ieo-campus.it> wrote: > > > Great! I'm 2.6.18-92.1.18.el5.centos.plus! I don't se 2.6.20 in yum > updates... is there any unstable repository I should enable? You're playing with fire now. Newer kernels are not necessarily backwards compatible, and major breaks can occur. You are free to do as you choose, of course, but this is CentOS - you break it, you own it. Good luck. mhr