Timmy Siu writes:
> I need to log in as root just through LAN.

I think the general solution to this is: don't.  Log in as a user, pop
open an xterm, then su or sudo to do what you need to do.  An extra
step, but one which closes a wide variety of potential security
problems: ie, a ton of GUI code which could be a security problem if you
execute it as a privileged user.

I'm not sure if this has propagated into SL6 or not, but current
versions of Fedora default to not allowing you to log in as root even on
console (in X windows mode, at least), for the same reason.  And a NX
session is pretty much just a virtual X session anyway, with the
additional security scare of being a remotely executed giant pile of GUI
code.

	Alec

-- 
 	    Alec Habig, University of Minnesota Duluth Physics Dept.
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		       http://neutrino.d.umn.edu/~habig/