How To Install firejail on Ubuntu 22.04
Introduction
In this tutorial we learn how to install firejail on Ubuntu 22.04.
What is firejail
firejail is:
Firejail is a SUID security sandbox program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf. It allows a process and all its descendants to have their own private view of the globally shared kernel resources, such as the network stack, process table, mount table.
There are three methods to install firejail 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 firejail Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install firejail using apt-get by running the following command:
sudo apt-get -y install firejail
Install firejail Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install firejail using apt by running the following command:
sudo apt -y install firejail
Install firejail 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 firejail using aptitude by running the following command:
sudo aptitude -y install firejail
How To Uninstall firejail on Ubuntu 22.04
To uninstall only the firejail package we can use the following command:
sudo apt-get remove firejail
Uninstall firejail And Its Dependencies
To uninstall firejail and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove firejail
Remove firejail Configurations and Data
To remove firejail configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge firejail
Remove firejail configuration, data, and all of its dependencies
We can use the following command to remove firejail configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge firejail
References
Summary
In this tutorial we learn how to install firejail package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
