Regarding upgrade from CentOS .5.5 to CentOS 7

[Venkateswara Rao Dokku <dvrao.584@xxxxxxxxx>]

Hi,

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.
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