How To Install dnsmasq on Ubuntu 22.04

In this tutorial we learn how to install dnsmasq on Ubuntu 22.04. dnsmasq is Small caching DNS proxy and DHCP/TFTP server

Introduction

In this tutorial we learn how to install dnsmasq on Ubuntu 22.04.

What is dnsmasq

dnsmasq is:

Dnsmasq is a lightweight, easy to configure, DNS forwarder and DHCP server. It is designed to provide DNS and optionally, DHCP, to a small network. It can serve the names of local machines which are not in the global DNS. The DHCP server integrates with the DNS server and allows machines with DHCP-allocated addresses to appear in the DNS with names configured either in each host or in a central configuration file. Dnsmasq supports static and dynamic DHCP leases and BOOTP/TFTP for network booting of diskless machines.

There are three methods to install dnsmasq on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install dnsmasq Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install dnsmasq

Install dnsmasq Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install dnsmasq using apt by running the following command:

sudo apt -y install dnsmasq

Install dnsmasq 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 dnsmasq using aptitude by running the following command:

sudo aptitude -y install dnsmasq

How To Uninstall dnsmasq on Ubuntu 22.04

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

sudo apt-get remove dnsmasq

Uninstall dnsmasq And Its Dependencies

To uninstall dnsmasq and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove dnsmasq

Remove dnsmasq Configurations and Data

To remove dnsmasq configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge dnsmasq

Remove dnsmasq configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge dnsmasq

References

Summary

In this tutorial we learn how to install dnsmasq package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.