How To Install knot-host on Ubuntu 20.04

In this tutorial we learn how to install knot-host on Ubuntu 20.04. knot-host is Version of host bundled with Knot DNS

Introduction

In this tutorial we learn how to install knot-host on Ubuntu 20.04.

What is knot-host

knot-host is:

Knot DNS is a fast, authoritative only, high performance, feature full and open source name server.

Knot DNS is developed by CZ.NIC Labs, the R&D department of .CZ registry and hence is well suited to run anything from the root zone, the top-level domain, to many smaller standard domain names.

This package provides the ‘host’ program in the form that is bundled with the Knot DNS. The ‘host’ command is designed to be 1:1 compatible with BIND 9.x ‘host’ program.

There are three methods to install knot-host on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install knot-host Using apt-get

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

sudo apt-get update

After updating apt database, We can install knot-host using apt-get by running the following command:

sudo apt-get -y install knot-host

Install knot-host Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install knot-host using apt by running the following command:

sudo apt -y install knot-host

Install knot-host 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 knot-host using aptitude by running the following command:

sudo aptitude -y install knot-host

How To Uninstall knot-host on Ubuntu 20.04

To uninstall only the knot-host package we can use the following command:

sudo apt-get remove knot-host

Uninstall knot-host And Its Dependencies

To uninstall knot-host and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove knot-host

Remove knot-host Configurations and Data

To remove knot-host configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge knot-host

Remove knot-host configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge knot-host

References

Summary

In this tutorial we learn how to install knot-host package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.