How To Install libpam-duo on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libpam-duo on Ubuntu 18.04.
What is libpam-duo
libpam-duo is:
This provides the PAM module needed to interact with the Duo Security API for handling out-of-band two-factor authentication. Also includes manpage.
There are three methods to install libpam-duo 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-duo 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-duo using apt-get by running the following command:
sudo apt-get -y install libpam-duo
Install libpam-duo Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libpam-duo using apt by running the following command:
sudo apt -y install libpam-duo
Install libpam-duo 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-duo using aptitude by running the following command:
sudo aptitude -y install libpam-duo
How To Uninstall libpam-duo on Ubuntu 18.04
To uninstall only the libpam-duo package we can use the following command:
sudo apt-get remove libpam-duo
Uninstall libpam-duo And Its Dependencies
To uninstall libpam-duo and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libpam-duo
Remove libpam-duo Configurations and Data
To remove libpam-duo configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libpam-duo
Remove libpam-duo configuration, data, and all of its dependencies
We can use the following command to remove libpam-duo configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libpam-duo
References
Summary
In this tutorial we learn how to install libpam-duo package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
