How To Install autossh on Ubuntu 22.04
Introduction
In this tutorial we learn how to install autossh on Ubuntu 22.04.
What is autossh
autossh is:
autossh is a program to start an instance of ssh and monitor it, restarting it as necessary should it die or stop passing traffic. The idea is from rstunnel (Reliable SSH Tunnel), but implemented in C. Connection monitoring is done using a loop of port forwardings. It backs off on the rate of connection attempts when experiencing rapid failures such as connection refused.
There are three methods to install autossh on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install autossh Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install autossh using apt-get by running the following command:
sudo apt-get -y install autossh
Install autossh Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install autossh using apt by running the following command:
sudo apt -y install autossh
Install autossh Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install autossh using aptitude by running the following command:
sudo aptitude -y install autossh
How To Uninstall autossh on Ubuntu 22.04
To uninstall only the autossh package we can use the following command:
sudo apt-get remove autossh
Uninstall autossh And Its Dependencies
To uninstall autossh and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove autossh
Remove autossh Configurations and Data
To remove autossh configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge autossh
Remove autossh configuration, data, and all of its dependencies
We can use the following command to remove autossh configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge autossh
References
Summary
In this tutorial we learn how to install autossh package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.