How To Install dnsmasq on Ubuntu 18.04
Introduction
In this tutorial we learn how to install dnsmasq
on Ubuntu 18.04.
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 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 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 18.04
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 18.04, 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 18.04 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 18.04 using different package management tools: apt
, apt-get
and aptitude
.