On 05/05/16 17:13, Venkateswara Rao Dokku wrote: > 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 Install another hard drive or SSD, partition it / install CentOS 7, telling Anaconda to leave your existing drive alone. Once done, and rebooted, you can mount the old drive and copy what you need over using cp or rsync. Enjoy