autossh

> Run, monitor and restart SSH connections.

> Auto-reconnects to keep port forwarding tunnels up. Accepts all `ssh` flags.

More information.

Start an SSH session, restarting when a monitoring port fails to return data:

autossh -M {monitor_port} "{ssh_command}"

Forward a local port to a remote one, restarting when necessary:

autossh -M {monitor_port} -L {local_port}:localhost:{remote_port} {user}@{host}

Fork `autossh` into the background before executing `ssh` and don't open a remote shell:

autossh -f -M {monitor_port} -N "{ssh_command}"

Run in the background, with no monitoring port, and instead send SSH keep-alive packets every 10 seconds to detect failure:

autossh -f -M 0 -N -o "ServerAliveInterval 10" -o "ServerAliveCountMax 3" "{ssh_command}"

Run in the background, with no monitoring port and no remote shell, exiting if the port forward fails:

autossh -f -M 0 -N -o "ServerAliveInterval 10" -o "ServerAliveCountMax 3" -o ExitOnForwardFailure=yes -L {local_port}:localhost:{remote_port} {user}@{host}

Run in the background, logging `autossh` debug output and `ssh` verbose output to files:

AUTOSSH_DEBUG=1 AUTOSSH_LOGFILE={path/to/autossh_log_file.log} autossh -f -M {monitor_port} -v -E {path/to/ssh_log_file.log} {ssh_command}

> This work is licensed under the Creative Commons Attribution 4.0 International License (CC-BY).

CC-BY

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