Hello, Does yum support Redhat Enterprise ES 3?.. I have installed .tar.gz, but it gives following errors: [root@rhes3 rhn]# yum update Gathering header information file(s) from server(s) Server: Red Hat Linux 3ES - i386 - Base retrygrab() failed for: http://mirror.dulug.duke.edu/pub/yum-repository/redhat/3ES/i386/headers/head er.info Executing failover method failover: out of servers to try Error getting file http://mirror.dulug.duke.edu/pub/yum-repository/redhat/3ES/i386/headers/head er.info [Errno 4] IOError: HTTP Error 404: Not Found [root@rhes3 rhn]# Best regards Emre Odabas