How To Install python-nss on CentOS 7

In this tutorial we learn how to install python-nss on CentOS 7. python-nss is Python bindings for Network Security Services (NSS)

Introduction

In this tutorial we learn how to install python-nss on CentOS 7.

What is python-nss

This package provides Python bindings for Network Security Services (NSS) and the Netscape Portable Runtime (NSPR). NSS is a set of libraries supporting security-enabled client and server applications. Applications built with NSS can support SSL v2 and v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, S/MIME, X.509 v3 certificates, and other security standards. Specific NSS implementations have been FIPS-140 certified.

We can use yum or dnf to install python-nss on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install python-nss.

Install python-nss on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install python-nss using yum by running the following command:

sudo yum -y install python-nss

Install python-nss on CentOS 7 Using dnf

If you don’t have dnf installed you can install DNF on CentOS 7 first. Update yum database with dnf using the following command.

sudo dnf makecache

After updating yum database, We can install python-nss using dnf by running the following command:

sudo dnf -y install python-nss

How To Uninstall python-nss on CentOS 7

To uninstall only the python-nss package we can use the following command:

sudo dnf remove python-nss

References

Summary

In this tutorial we learn how to install python-nss on CentOS 7 using yum and dnf.