Re: [TCLUG:16130] keepalive in ssh?

[Paul Wiechman <pwiechman@talkware.net>]

OpenSSH has a keep-alive option in its configs.

Paul Wiechman

Jon Schewe wrote:

> I've discovered that with port forwarding over ssh I can get access to the
> internal web at my work, however I'm trying to figure out how to keep the
> connection open.  ssh seems to want to time out every now and then and I want
> to be able to restart it, but when I do from cron, things tend to get lost.
> Like the connection is there, but when I send traffic over it nothing comes
> back.  It only seems to work if I start it from a prompt, ie. not inside
> cron.  Here's the shell script I'm running from cron, with names changed to
> protect the innocent :)
>
> #! /bin/bash
>
> check=`/bin/ps awx | grep ssh | grep '3128:proxy:3128'`
> if [ -z "${check}" ]; then
>     /usr/bin/ssh -q -C -f -g -L 3128:proxy:3128 -l username host.company.com 'while `/bin/true`; do sleep 5; done;'
>     #echo "Needs restart"
> #else
> #  echo "still running"
> fi
>
> Anyone got any ideas?
>
> --
> Jon Schewe
> http://eggplant.mtu.net/~jpschewe
> schewe@tcfreenet.org
>
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