CentOS 6.5 is based on the upstream release EL 6.5 and includes packages from all variants. There are many fundamental changes in this release, compared with the past CentOS 6 releases and we highly recommend everyone study the release notes as well as the upstream technical notes about the changes and how they might impact your installation.
First, you should immediately update to the current release 5.7. 5.4 is seriously obsolete and has numerous known bugs and security issues that have been fixed in subsequent updates. Obsolete relea... [by pschaff]