That guy sounds like a total pratt. Seriously, what a knobstical. I couldn't add to the advice already given here.. hah.. I just simply HAD to say what a tit I think he is.
(I'm being preetty kind with my words, BTW)
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{ Kein Teufel }
Translation: Not a devil
[ `id -u` -eq 0 ] || exit 1