How To Install dnsmasq on Ubuntu 20.04
Introduction
In this tutorial we learn how to install dnsmasq on Ubuntu 20.04.
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.
Package: dnsmasq Architecture: all Version: 2.80-1.1ubuntu1 Priority: optional Section: universe/net Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Simon Kelley [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 74 Depends: netbase, dnsmasq-base, init-system-helpers (>= 1.18~), lsb-base (>= 3.0-6) Suggests: resolvconf Conflicts: resolvconf (« 1.15) Filename: pool/universe/d/dnsmasq/dnsmasq_2.80-1.1ubuntu1_all.deb Size: 16484 MD5sum: 4a68464242d83fab6f5cb238bfba2688 SHA1: 552f1bdb69756085c550a3d849dff9307212ece6 SHA256: 6982306f96ca298efa981c5e93989e9e4860371a0930d63a26a29b1f189397ab Homepage: http://www.thekelleys.org.uk/dnsmasq/doc.html Description-en: Small caching DNS proxy and DHCP/TFTP server 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 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 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 20.04
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 20.04, 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 20.04 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 20.04 using different package management tools: apt, apt-get and aptitude.
