Tolun ARDAHANLI wrote on Mon, 7 Jan 2008 09:27:57 +0200: > How can I upgrade my Centos from 4 to 5.1? You can, but the success depends on the software you use. Just for testing I did one inplace upgrade 4.4 to 5.0 on a webserver-type machine last year via yum (I think) and it worked just fine. Kai -- Kai Schätzl, Berlin, Germany Get your web at Conactive Internet Services: http://www.conactive.com