How To Install dns-root-data on Ubuntu 18.04

In this tutorial we learn how to install dns-root-data on Ubuntu 18.04. dns-root-data is DNS root data including root zone and DNSSEC key

Introduction

In this tutorial we learn how to install dns-root-data on Ubuntu 18.04.

What is dns-root-data

dns-root-data is:

This package contains various root zone related data as published by IANA to be used by various DNS software as a common source of DNS root zone data, namely:

  • Root Hints (root.hints)
  • Root Trust Anchors (root.key, root.ds)

There are three methods to install dns-root-data on Ubuntu 18.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install dns-root-data Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install dns-root-data

Install dns-root-data Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install dns-root-data using apt by running the following command:

sudo apt -y install dns-root-data

Install dns-root-data 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 Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install dns-root-data using aptitude by running the following command:

sudo aptitude -y install dns-root-data

How To Uninstall dns-root-data on Ubuntu 18.04

To uninstall only the dns-root-data package we can use the following command:

sudo apt-get remove dns-root-data

Uninstall dns-root-data And Its Dependencies

To uninstall dns-root-data and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:

sudo apt-get -y autoremove dns-root-data

Remove dns-root-data Configurations and Data

To remove dns-root-data configuration and data from Ubuntu 18.04 we can use the following command:

sudo apt-get -y purge dns-root-data

Remove dns-root-data configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge dns-root-data

References

Summary

In this tutorial we learn how to install dns-root-data package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.