How To Install janus on Ubuntu 20.04
Introduction
In this tutorial we learn how to install janus on Ubuntu 20.04.
What is janus
janus is:
Janus is a general purpose WebRTC Gateway with a minimal footprint.
As such, it provides no functionality per se other than implementing the means to set up a WebRTC media communication with a browser, exchanging JSON messages with it, and relaying RTP/RTCP and messages between browsers and the server-side application logic they are attached to. Any specific feature/application are implemented in server side plugins, that browsers contact via the gateway to take advantage of the functionality they provide.
Example uses for Janus are applications involving echo tests, conference bridges, media recorders, and SIP gateways.
There are three methods to install janus 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 janus Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install janus using apt-get by running the following command:
sudo apt-get -y install janus
Install janus Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install janus using apt by running the following command:
sudo apt -y install janus
Install janus 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 janus using aptitude by running the following command:
sudo aptitude -y install janus
How To Uninstall janus on Ubuntu 20.04
To uninstall only the janus package we can use the following command:
sudo apt-get remove janus
Uninstall janus And Its Dependencies
To uninstall janus and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove janus
Remove janus Configurations and Data
To remove janus configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge janus
Remove janus configuration, data, and all of its dependencies
We can use the following command to remove janus configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge janus
References
Summary
In this tutorial we learn how to install janus package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
