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Protect a SSH access from disconnections

by Pierre-Yves Landuré last modified Nov 27, 2015 12:27

By default, a SSH session is closed in case of unexpected disconnect, automatically killing any software being run by it. This howto use the byobu tool to automatically detach a shell in case of disconnect, and reattach it at the next login.

This howto is tested on:

  • Debian 7.0 Wheezy

Parameters

Provide the username to protect (used to connect with SSH):

USERNAME="remote-user"

Installation

Environment preparation

Install the needed software:

command apt-get install byobu

Setup

Enable the tool for the protected user:

command su "${USERNAME}" -c "command byobu-launcher-install"

The next remote session of the protected user will be automatically restored in case of unexpected disconnection.

Thanks