How To Install mdns-scan on Ubuntu 20.04

In this tutorial we learn how to install mdns-scan on Ubuntu 20.04. mdns-scan is Scan for mDNS/DNS-SD services published on the local network

Introduction

In this tutorial we learn how to install mdns-scan on Ubuntu 20.04.

What is mdns-scan

mdns-scan is:

mdns-scan is a tool for scanning for mDNS/DNS-SD services published on the local network.

It works by issuing a mDNS PTR query to the special RR _services._dns-sd._udp.local for retrieving a list of all currently registered services on the local link.

mDNS/DNS-SD is part of Apple’s Zeroconf strategy (a.k.a. Bonjour). The avahi-daemon package is an implementation of mDNS/DNS-SD.

There are three methods to install mdns-scan 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 mdns-scan Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install mdns-scan

Install mdns-scan Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install mdns-scan

Install mdns-scan 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 mdns-scan using aptitude by running the following command:

sudo aptitude -y install mdns-scan

How To Uninstall mdns-scan on Ubuntu 20.04

To uninstall only the mdns-scan package we can use the following command:

sudo apt-get remove mdns-scan

Uninstall mdns-scan And Its Dependencies

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

sudo apt-get -y autoremove mdns-scan

Remove mdns-scan Configurations and Data

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

sudo apt-get -y purge mdns-scan

Remove mdns-scan configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge mdns-scan

References

Summary

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