It is recommended when moving from 3.x to 4.x to do a clean install. 4.x has stuff like SELINUX, 2.6 kernel etc You can also search the archives at http://lists.centos.org/mailman/listinfo/centos The CentOS forum is also worth checking out at http://www.centos.org/modules/newbb/ The docs directory at http://www.centos.org/docs/4/ is also worth checking out. __________________________________________________ Improve the mailing list by performing a simple search before posting and reading the FAQ/etiquette. Protect the integrity of your installation with the yum plugins. __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com