Error found when loading /root/.profile:
stdin: is not a tty
As a result the session will not be configured correctly. You should fix the problem as soon as feasible.
mesg n -> tty -s && mesg n"stdin: is not a tty" due to "mesg n" instead of "tty -s && mesg n" in .profile
原文：http://www.cnblogs.com/magisquare/p/4456447.html