How To Install libnss-sss on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libnss-sss on Ubuntu 18.04.
What is libnss-sss
libnss-sss is:
Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable backend system to connect to multiple different account sources. It is also the basis to provide client auditing and policy services for projects like FreeIPA.
This package provide the nss library to connect to the sssd daemon.
There are three methods to install libnss-sss 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 libnss-sss Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install libnss-sss using apt-get by running the following command:
sudo apt-get -y install libnss-sss
Install libnss-sss Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libnss-sss using apt by running the following command:
sudo apt -y install libnss-sss
Install libnss-sss 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 libnss-sss using aptitude by running the following command:
sudo aptitude -y install libnss-sss
How To Uninstall libnss-sss on Ubuntu 18.04
To uninstall only the libnss-sss package we can use the following command:
sudo apt-get remove libnss-sss
Uninstall libnss-sss And Its Dependencies
To uninstall libnss-sss and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libnss-sss
Remove libnss-sss Configurations and Data
To remove libnss-sss configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libnss-sss
Remove libnss-sss configuration, data, and all of its dependencies
We can use the following command to remove libnss-sss configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libnss-sss
References
Summary
In this tutorial we learn how to install libnss-sss package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
