How To Install libpam-u2f on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libpam-u2f on Ubuntu 18.04.
What is libpam-u2f
libpam-u2f is:
Universal 2nd Factor (U2F) is an authentication mechanism that strengthen other authentications, and through this PAM module it can be used to require a U2F device in order to authenticate.
This package contains the PAM module, which performs the U2F Authentication step. Before this, you need to perform the U2F Registration step which can be completed using the pamu2fcfg package.
There are three methods to install libpam-u2f on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install libpam-u2f Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libpam-u2f using apt-get by running the following command:
sudo apt-get -y install libpam-u2f
Install libpam-u2f Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libpam-u2f using apt by running the following command:
sudo apt -y install libpam-u2f
Install libpam-u2f 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 libpam-u2f using aptitude by running the following command:
sudo aptitude -y install libpam-u2f
How To Uninstall libpam-u2f on Ubuntu 18.04
To uninstall only the libpam-u2f package we can use the following command:
sudo apt-get remove libpam-u2f
Uninstall libpam-u2f And Its Dependencies
To uninstall libpam-u2f and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libpam-u2f
Remove libpam-u2f Configurations and Data
To remove libpam-u2f configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libpam-u2f
Remove libpam-u2f configuration, data, and all of its dependencies
We can use the following command to remove libpam-u2f configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libpam-u2f
References
Summary
In this tutorial we learn how to install libpam-u2f package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
