how to check whether the ssh tunnel is up

Alex Bligh alex at
Sat Apr 27 18:37:14 EST 2013

On 26 Apr 2013, at 10:06, Vincent Lin wrote:

> Is there a way to show whether the ssh
> tunnel is up?

In addition to the suggestions you have already been
sent, can I suggest you look at autossh? It uses
a combination of -L and -R to send packets to the
other end and back, to check the tunnel is working
as well as up, and reopens the tunnel if it's
not up.

Alex Bligh

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