Craig White wrote: > yum install kernel-src > or > yum install kernel-2.6.9-22.EL.src neither of which are correct. > but I would think all you need is kernel-devel kernel-devel will give you the headers etc needed to build modules , if you still need the entire source tree - you need to manually install the .src.rpm from http://mirror.centos.org/centos/4/os/SRPMS/ - K