How To Install ejabberd on Ubuntu 20.04
Introduction
In this tutorial we learn how to install ejabberd on Ubuntu 20.04.
What is ejabberd
ejabberd is:
ejabberd is a Jabber/XMPP + MQTT server written in Erlang, featuring:
- distributed operation with load-balancing across a cluster;
- fault-tolerant database replication and storage on multiple nodes, allowing nodes to be added or replaced “on the fly”;
- virtual hosting (several virtual domains can be served using a single ejabberd instance);
- XMPP compliance;
- MQTT 5 compliance;
- web-based administration;
- SSL/TLS support;
- conferencing via Multi-User Chat;
- Jabber Users Directory, based on users’ vCards;
- service discovery;
- shared roster.
There are three methods to install ejabberd 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 ejabberd Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ejabberd using apt-get by running the following command:
sudo apt-get -y install ejabberd
Install ejabberd Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ejabberd using apt by running the following command:
sudo apt -y install ejabberd
Install ejabberd 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 ejabberd using aptitude by running the following command:
sudo aptitude -y install ejabberd
How To Uninstall ejabberd on Ubuntu 20.04
To uninstall only the ejabberd package we can use the following command:
sudo apt-get remove ejabberd
Uninstall ejabberd And Its Dependencies
To uninstall ejabberd and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove ejabberd
Remove ejabberd Configurations and Data
To remove ejabberd configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge ejabberd
Remove ejabberd configuration, data, and all of its dependencies
We can use the following command to remove ejabberd configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ejabberd
References
Summary
In this tutorial we learn how to install ejabberd package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.