How To Install nss-tools on CentOS 7
Introduction
In this tutorial we learn how to install nss-tools on CentOS 7.
What is nss-tools
Network Security Services (NSS) is a set of libraries designed to support cross-platform development of 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. Install the nss-tools package if you need command-line tools to manipulate the NSS certificate and key database.
We can use yum or dnf to install nss-tools on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install nss-tools.
Install nss-tools on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install nss-tools using yum by running the following command:
sudo yum -y install nss-tools
Install nss-tools 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 nss-tools using dnf by running the following command:
sudo dnf -y install nss-tools
How To Uninstall nss-tools on CentOS 7
To uninstall only the nss-tools package we can use the following command:
sudo dnf remove nss-tools
References
Summary
In this tutorial we learn how to install nss-tools on CentOS 7 using yum and dnf.