Dear Patrice. > I updated to howto to avoid the use of the Stahnma repository. However, > the rhel-instnum package is not availablie in EPEL or the Spacewalk > official repository. Is this package still required in Spacewalk version > 0.6? Yes, you are still in need of rhel-instnum on a CentOS box. Please take a look at the following comment from stahnma (in a totally different context, but the last sentence is relevant): http://www.redhat.com/archives/spacewalk-list/2009-October/msg00158.html Best Regards Marcus