How To Install libnss3 on Debian 9

In this tutorial we learn how to install libnss3 on Debian 9. libnss3 is Network Security Service libraries

Introduction

In this tutorial we learn how to install libnss3 on Debian 9.

What is libnss3

libnss3 is:

This is a set of libraries designed to support cross-platform development of security-enabled client and server applications. It can support SSLv2 and v4, TLS, PKCS #5, #7, #11, #12, S/MIME, X.509 v3 certificates and other security standards.

There are three methods to install libnss3 on Debian 9. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install libnss3 Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install libnss3 using apt-get by running the following command:

sudo apt-get -y install libnss3

Install libnss3 Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install libnss3 using apt by running the following command:

sudo apt -y install libnss3

Install libnss3 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 Debian. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install libnss3 using aptitude by running the following command:

sudo aptitude -y install libnss3

How To Uninstall libnss3 on Debian 9

To uninstall only the libnss3 package we can use the following command:

sudo apt-get remove libnss3

Uninstall libnss3 And Its Dependencies

To uninstall libnss3 and its dependencies that are no longer needed by Debian 9, we can use the command below:

sudo apt-get -y autoremove libnss3

Remove libnss3 Configurations and Data

To remove libnss3 configuration and data from Debian 9 we can use the following command:

sudo apt-get -y purge libnss3

Remove libnss3 configuration, data, and all of its dependencies

We can use the following command to remove libnss3 configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge libnss3

Dependencies

libnss3 have the following dependencies:

References

Summary

In this tutorial we learn how to install libnss3 package on Debian 9 using different package management tools: apt, apt-get and aptitude.