ssh timeout

[Howard, Chris]

I wasn't advocating a particular solution, just pointing
out some.

Since not all processes are as well apportioned as
ssh, maybe a shell timeout technique will come in handy
for other purposes someday.

Or maybe not.


> -----Original Message-----
> From: Sutton, Harry (MSE) [mailto:harry.sutton at hp.com]
> Sent: Friday, September 25, 2009 9:36 AM
> To: redhat-sysadmin-list at redhat.com
> Subject: Re: ssh timeout
> 
> But as someone else pointed out earlier, ssh already has built-in
> mechanisms for dealing with this (TCPKeepAlive, ClientAliveInterval,
> ClientAliveCountMax), so why jump through all these other hoops to
> attain this functionality?
> 
>       /Harry
> 
> On 09/25/2009 11:16 AM, Howard, Chris wrote:
> > You can kill a child process after a certain time
> > has elapsed.
> >
> > So, you would have a parent shell script start
> > up the ssh script and put it in the background (&).
> > Then call sleep for some
> > number of seconds.  When it wakes up if the
> > child is still running ('kill -0 $pid')
> > then you send it a kill signal ('kill -9 $pid').
> > Use a file in /tmp for the child to pass back results
> > to the parent process if it succeeds.
> >
> > Or, I think you could use a timeout signal
> > in a perl script.
> >
> > Or, I think you could have the remote machine
> > use ssh to put its information  onto a central
> > monitoring machine periodically using cron or
> > similar.  Then your monitoring program would
> > just look at that centralized information and
> > not do an ssh at all.
> >
> >
> >
> >
> >> -----Original Message-----
> >> From: nitin.gizare at wipro.com [mailto:nitin.gizare at wipro.com]
> >> Sent: Thursday, September 24, 2009 8:17 PM
> >> To: redhat-sysadmin-list at redhat.com
> >> Subject: ssh timeout
> >>
> >> HI
> >>
> >>
> >>
> >> I am running script using ssh to capture load of some parameters of
> >> remote machine.
> >>
> >> But if one of machine is down script does not go forward and will
be
> >> waiting for to come up and complete ssh connections.
> >>
> >> I would like to set some time out in which case if machine does not
> >> response it should time out on ssh and proceed for next steps.
> >>
> >>
> >>
> >> Please help me with this settings
> >>
> >>
> >>
> >> Rgds
> >>
> >> Nitin
> >>
> >
> > --
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> > https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
> >
> >
>