How To Install libnss-docker on Ubuntu 22.04

In this tutorial we learn how to install libnss-docker on Ubuntu 22.04. libnss-docker is nss module for finding Docker containers

Introduction

In this tutorial we learn how to install libnss-docker on Ubuntu 22.04.

What is libnss-docker

libnss-docker is:

This package contains a plugin for the Name Service Switch, providing host name resolution for Docker containers.

There are three methods to install libnss-docker 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 libnss-docker 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-docker using apt-get by running the following command:

sudo apt-get -y install libnss-docker

Install libnss-docker Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libnss-docker using apt by running the following command:

sudo apt -y install libnss-docker

Install libnss-docker 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-docker using aptitude by running the following command:

sudo aptitude -y install libnss-docker

How To Uninstall libnss-docker on Ubuntu 22.04

To uninstall only the libnss-docker package we can use the following command:

sudo apt-get remove libnss-docker

Uninstall libnss-docker And Its Dependencies

To uninstall libnss-docker and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove libnss-docker

Remove libnss-docker Configurations and Data

To remove libnss-docker configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge libnss-docker

Remove libnss-docker configuration, data, and all of its dependencies

We can use the following command to remove libnss-docker configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libnss-docker

References

Summary

In this tutorial we learn how to install libnss-docker package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.