How To Install nss_db on CentOS 8

In this tutorial we learn how to install nss_db on CentOS 8. nss_db is Name Service Switch (NSS) module using hash-indexed files

Introduction

In this tutorial we learn how to install nss_db on CentOS 8.

What is nss_db

The nss_db Name Service Switch module uses hash-indexed files in /var/db to speed up user, group, service, host name, and other NSS-based lookups. The nss_db Name Service Switch module uses hash-indexed files in /var/db to speed up user, group, service, host name, and other NSS-based lookups.

We can use yum or dnf to install nss_db on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install nss_db.

Install nss_db on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache

After updating yum database, We can install nss_db using yum by running the following command:

sudo yum -y install nss_db

Install nss_db on CentOS 8 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_db using dnf by running the following command:

sudo dnf -y install nss_db

How To Uninstall nss_db on CentOS 8

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

sudo dnf remove nss_db

References

Summary

In this tutorial we learn how to install nss_db on CentOS 8 using yum and dnf.