...It can be installed on any Linux/Unix or Mac and executed from there. It only requires Python available and if using older (older than python 2.7.1) version of python pexpect module needs to be installed. This utility contains a set of pre upgrade checks before doing upgrade to ensure everything needed is in place, then upgrade and post upgrade checks to verify upgrade was successful.
It's aimed at reducing human intervention during upgrade and hence making more human error free upgrades.
It's plugin based infra supports user writing their own plugins and insert for execution.
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