Re: How to maintain a persistent SSH connection?

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also sprach Nico Kadel-Garcia <nkadel@xxxxxxxxx> [2017-11-15 14:42 +0100]:
> > I'm tasked with establishing a persistent SSH connection across
> > a very unreliable link, for a remote port forward (always port
> > 2217). I figured I'd use ServerAliveInterval to make sure that the
> > ssh(1) process dies when the connection appears down, and I use
> > systemd to restart it in this case. This works fine.
> 
> I use "autossh" for precisely this reason, partly because I've found
> it very effective at re-establishing the link, partly for the logging,
> and partly for the daemonization of what can be used to keep an SSH
> tunnel alive consistently.

Yes, autossh is effectively the same as ServerAliveInterval + systemd.
I've used it for many many years, but with SAI and systemd, it's
become obsolete I think.

However, I can't see how autossh would solve the lingering sshd(8)
process problem on the server.

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