CentOS Linux 5 has reached End of Life, as of 31 March 2017.

Please note that the latest version of CentOS Linux 5 (version 5.11 with
updates) will remain available here (archived):

http://vault.centos.org/5.11/

Please also note that this directory will not be maintained as there are
no more public source code releases for upstream RHEL-5. That means
there will be no more security updates for CentOS Linux 5. The CentOS
team does not recommend using CentOS Linux 5 for any purpose.

If you have workloads that can not be moved from the EL5 code base, you
can obtain paid extended support from Red Hat for RHEL-5. See ELS
(Extended Life-cycle Support) from this link:

https://access.redhat.com/support/policy/updates/errata

Thanks,
Johnny Hughes