How To Install ssh on Debian 9
Introduction
In this tutorial we learn how to install ssh on Debian 9.
What is ssh
ssh is:
This metapackage is a convenient way to install both the OpenSSH client and the OpenSSH server. It provides nothing in and of itself, so you may remove it if nothing depends on it.
There are three methods to install ssh on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ssh Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ssh using apt-get by running the following command:
sudo apt-get -y install ssh
Install ssh Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ssh using apt by running the following command:
sudo apt -y install ssh
Install ssh 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 Debian. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install ssh using aptitude by running the following command:
sudo aptitude -y install ssh
How To Uninstall ssh on Debian 9
To uninstall only the ssh package we can use the following command:
sudo apt-get remove ssh
Uninstall ssh And Its Dependencies
To uninstall ssh and its dependencies that are no longer needed by Debian 9, we can use the command below:
sudo apt-get -y autoremove ssh
Remove ssh Configurations and Data
To remove ssh configuration and data from Debian 9 we can use the following command:
sudo apt-get -y purge ssh
Remove ssh configuration, data, and all of its dependencies
We can use the following command to remove ssh configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ssh
Dependencies
ssh have the following dependencies:
References
Summary
In this tutorial we learn how to install ssh package on Debian 9 using different package management tools: apt, apt-get and aptitude.