How To Install v4l2loopback-utils on Ubuntu 18.04
Introduction
In this tutorial we learn how to install v4l2loopback-utils on Ubuntu 18.04.
What is v4l2loopback-utils
v4l2loopback-utils is:
This package contains applications to interact with v4l2-loopback devices (“virtual video devices”). Currently there is only a single command line utility:
v4l2loopback-ctl: tool to set framerate, format and timeout image
There are three methods to install v4l2loopback-utils 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 v4l2loopback-utils Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install v4l2loopback-utils using apt-get by running the following command:
sudo apt-get -y install v4l2loopback-utils
Install v4l2loopback-utils Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install v4l2loopback-utils using apt by running the following command:
sudo apt -y install v4l2loopback-utils
Install v4l2loopback-utils 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 v4l2loopback-utils using aptitude by running the following command:
sudo aptitude -y install v4l2loopback-utils
How To Uninstall v4l2loopback-utils on Ubuntu 18.04
To uninstall only the v4l2loopback-utils package we can use the following command:
sudo apt-get remove v4l2loopback-utils
Uninstall v4l2loopback-utils And Its Dependencies
To uninstall v4l2loopback-utils and its dependencies that are no longer needed by Ubuntu 18.04, we can use the command below:
sudo apt-get -y autoremove v4l2loopback-utils
Remove v4l2loopback-utils Configurations and Data
To remove v4l2loopback-utils configuration and data from Ubuntu 18.04 we can use the following command:
sudo apt-get -y purge v4l2loopback-utils
Remove v4l2loopback-utils configuration, data, and all of its dependencies
We can use the following command to remove v4l2loopback-utils configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge v4l2loopback-utils
References
Summary
In this tutorial we learn how to install v4l2loopback-utils package on Ubuntu 18.04 using different package management tools: apt, apt-get and aptitude.
