Quoting from the OpenVZ official annoncement:
The OpenVZ project today announced availability of its operating system level server virtualization software for Fedora Core 5, which only recently became available.
…
The OpenVZ kernel for Fedora Core 5 is available for download from http://openvz.org/download/kernel/fc5.
…
Templates for Fedora Core 5 are available for download at http://openvz.org/download/template/…