Hello I just upgraded Centos, and now doing some post upgarde task to make sure every thing is fine. First of all, it seems upgrade add rpmsave extension to configuration files, which we should copy them back example is /etc/httpd/conf/httpd.conf.rpmsave also what is Pegasus ? there is a lot of rpmsaved in /var/lib/pegasus example : /var/lib/Pegasus/prev_repository_2007-08-30-1188481293.980554182.rpmsave Thanks