How to root the server using back connect tutorial-By Spirit

I am Spirit as you all know :) so, today i am gonna give tutorial on How you can root the server ^_^
So, just watch it ;) and i hope you will love this tutorial :)
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Tutorial link::

https://youtu.be/PO_CMXD3gq8

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Shell Download link::

http://pastebin.com/J2vBiG0g

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This tutorial is for educational purpose only.I'll be not responsible for any harm.
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