Hi, I wrote a blog entry about moving apel to glite-APEL on SL5. http://northgrid-tech.blogspot.com/2010/07/moving-apel-to-sl5.html cheers alessandra -- The most effective way to do it, is to do it. (Amelia Earhart) Northgrid Tier2 Technical Coordinator http://www.hep.manchester.ac.uk/computing/tier2