Disabling ssh timeouts?

Chuck Robey chuckr at telenix.org
Wed May 13 05:15:50 UTC 2009


Steve Kargl wrote:
> Is there anyway to disable sshd from timing out a connection?
> I've tried setting  ClientAliveCountMax and ClientAliveInterval
> and TCPKeepAlive in sshd.conf, but no combination that I've
> tried has worked.
> 
> I'm trying to running the GCC testsuite, which is not an 
> interactive job.  Once it starts, it writes to stdout when
> an error occurs or the testsuite moves to a new major
> test category.  The last few lines of output are 
> 
> Running target unix
> Using /usr/X11R6/share/dejagnu/baseboards/unix.exp as board description file for target.
> Using /usr/X11R6/share/dejagnu/config/unix.exp as generic interface file for target.
> Using /usr/home/sgk/gcc/gcc4x/gcc/testsuite/config/default.exp as tool-and-target-specific interface file.
> Running /usr/home/sgk/gcc/gcc4x/gcc/testsuite/gfortran.dg/debug/debug.exp ...
> Running /usr/home/sgk/gcc/gcc4x/gcc/testsuite/gfortran.dg/dg.exp ...
> 
> Read from remote host troutmask.apl.washington.edu: Connection reset by peer
> Connection to troutmask.apl.washington.edu closed.
> 
> The only way I'v efound to complete a run of the GCC testsuite
> is to sit at the terminal and hit enter every so often.  Also
> note, nohup and backgrounding the job does not inhibit sshd
> dropping the connection and losing all testsuite results.
> 

Just saw this answer recently, I forget where, but you set the TCPKeepAlive on,
I think that's in /etc/ssh/sshd_config.  I liked that one, because in retrospect
it's obvious (not so obvious when you need it, but it does make sense now).


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