How To Install mkrdns on CentOS 7

In this tutorial we learn how to install mkrdns on CentOS 7. mkrdns is Automatic reverse DNS zone generator

Introduction

In this tutorial we learn how to install mkrdns on CentOS 7.

What is mkrdns

mkrdns automates the tedious procedure of editing both forward and reverse zones when making changes to your zones with likely no changes to your current configuration file. mkrdns does this by reading through all of the primary/secondary (master/slave) zones in your configuration file (either named.boot or named.conf). It will then automatically generate the reverse zone entries (IN PTR) for the networks for which you are the primary/master. It is now possible to simply edit the forward map, run mkrdns, and reload the zone. Clean, simple, and best of all, automatic. mkrdns also acts as a limited lint-like program, issuing warnings and errors if there are problems with your configuration or zone files.

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

Install mkrdns on CentOS 7 Using yum

Update yum database with yum using the following command.

sudo yum makecache

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

sudo yum -y install mkrdns

Install mkrdns 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 mkrdns using dnf by running the following command:

sudo dnf -y install mkrdns

How To Uninstall mkrdns on CentOS 7

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

sudo dnf remove mkrdns

References

Summary

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