[GRLUG] 'Hung' machine

L. V. Lammert lvl at omnitec.net
Thu Jun 16 12:04:57 EDT 2011


We have a server in a remote data center that is having a problem, 
but I cannot tell it if is overloaded or actually unresponsive. I can 
ping it from another machine behind the firewall, but no ssh - hangs 
at negotiating the protocol.

I *do* have an old bash session open from the other machine - the 
first two new-lines produced a bash prompt echo, however when I tried 
to do a 'df -h' I got no reply - just newlines. Tried <ctl>C (echos 
^C), .. <ctl>D (just a newline), .. characters & commands (echo).

Is anyone aware of a way to exploit this 'open' bash connection? 
Tried launching shell or bash, but nothing except the character echo.

	Thanks!

	Lee


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