How To Install avahi-daemon on Ubuntu 20.04

In this tutorial we learn how to install avahi-daemon on Ubuntu 20.04. avahi-daemon is Avahi mDNS/DNS-SD daemon Avahi mDNS/DNS-SD daemon

Introduction

In this tutorial we learn how to install avahi-daemon on Ubuntu 20.04.

What is `avahi-daemon`

avahi-daemon is:

Avahi is a fully LGPL framework for Multicast DNS Service Discovery. It allows programs to publish and discover services and hosts running on a local network with no specific configuration. For example you can plug into a network and instantly find printers to print to, files to look at and people to talk to.

This package contains the Avahi Daemon which represents your machine on the network and allows other applications to publish and resolve mDNS/DNS-SD records. Task: print-server, ubuntu-desktop-minimal, ubuntu-desktop, kubuntu-desktop, xubuntu-core, xubuntu-desktop, lubuntu-desktop, ubuntustudio-desktop-core, ubuntustudio-desktop, ubuntukylin-desktop, ubuntu-mate-core, ubuntu-mate-desktop, ubuntu-budgie-desktop

Package: avahi-daemon Architecture: amd64 Version: 0.7-4ubuntu7 Multi-Arch: foreign Priority: optional Section: net Source: avahi Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: Utopia Maintenance Team [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 275 Depends: libavahi-common3 (>= 0.6.16), libavahi-core7 (>= 0.6.24), libc6 (>= 2.27), libcap2 (>= 1:2.16), libdaemon0 (>= 0.14), libdbus-1-3 (>= 1.9.14), libexpat1 (>= 2.0.1), adduser, dbus (>= 0.60), lsb-base (>= 3.0-6), bind9-host | host Recommends: libnss-mdns Suggests: avahi-autoipd Filename: pool/main/a/avahi/avahi-daemon_0.7-4ubuntu7_amd64.deb Size: 60988 MD5sum: e587be3ac8481baf305b2f07f551ea0b SHA1: 216803d93c4915035b143f7edb0868fc4b936d03 SHA256: 3321e3fedc8f15fcdc5f8aea157b5d08059d4368562abd6c7c172063afa2e51c Homepage: http://avahi.org/ Description-en: Avahi mDNS/DNS-SD daemon Avahi is a fully LGPL framework for Multicast DNS Service Discovery. It allows programs to publish and discover services and hosts running on a local network with no specific configuration. For example you can plug into a network and instantly find printers to print to, files to look at and people to talk to.

There are three methods to install avahi-daemon 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 avahi-daemon Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install avahi-daemon

Install avahi-daemon Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install avahi-daemon

Install avahi-daemon 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 avahi-daemon using aptitude by running the following command:

sudo aptitude -y install avahi-daemon

How To Uninstall avahi-daemon on Ubuntu 20.04

To uninstall only the avahi-daemon package we can use the following command:

sudo apt-get remove avahi-daemon

Uninstall avahi-daemon And Its Dependencies

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

sudo apt-get -y autoremove avahi-daemon

Remove avahi-daemon Configurations and Data

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

sudo apt-get -y purge avahi-daemon

Remove avahi-daemon configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge avahi-daemon

References

Summary

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