[CentOS] Regarding upgrade from CentOS .5.5 to CentOS 7

Thu May 5 05:13:54 UTC 2016
Venkateswara Rao Dokku <dvrao.584 at gmail.com>


I wanted to upgrade from centOS 5.5 to CentOS 7 without losing the data.

Is there any upgrade path available?

or what is the proper way to do it without affecting the existing config?

Thnaks for the help

Thanks & Regards,
Venkateswara Rao Dokku.