How To Install libnss-rainbow2 on Ubuntu 18.04
Introduction
In this tutorial we learn how to install libnss-rainbow2 on Ubuntu 18.04.
What is libnss-rainbow2
libnss-rainbow2 is:
Rainbow is a isolation shell which implements portions of the Bitfrost security architecture, as used on the OLPC XO-1 and elsewhere.
This package contains an “Name Service Switch” plugin for glibc which permits Rainbow to easily create and remove users and groups without modifying /etc/passwd and /etc/group.
There are three methods to install libnss-rainbow2 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-rainbow2 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-rainbow2 using apt-get by running the following command:
sudo apt-get -y install libnss-rainbow2
Install libnss-rainbow2 Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install libnss-rainbow2 using apt by running the following command:
sudo apt -y install libnss-rainbow2
Install libnss-rainbow2 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-rainbow2 using aptitude by running the following command:
sudo aptitude -y install libnss-rainbow2
How To Uninstall libnss-rainbow2 on Ubuntu 18.04
To uninstall only the libnss-rainbow2 package we can use the following command:
sudo apt-get remove libnss-rainbow2
Uninstall libnss-rainbow2 And Its Dependencies
To uninstall libnss-rainbow2 and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove libnss-rainbow2
Remove libnss-rainbow2 Configurations and Data
To remove libnss-rainbow2 configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge libnss-rainbow2
Remove libnss-rainbow2 configuration, data, and all of its dependencies
We can use the following command to remove libnss-rainbow2 configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge libnss-rainbow2
References
Summary
In this tutorial we learn how to install libnss-rainbow2 package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
