How To Install v4l2loopback-dkms on Ubuntu 20.04

Introduction

In this tutorial we learn how to install v4l2loopback-dkms on Ubuntu 20.04.

What is v4l2loopback-dkms

v4l2loopback-dkms is:

This module allows you to create “virtual video devices”. Normal (v4l2) applications will read these devices as if they were ordinary video devices, but the video will not be read from e.g. a capture card but instead it is generated by another application.

This package provides the source code for the v4l2loopback kernel modules to be built with dkms.

Package: v4l2loopback-dkms Architecture: all Version: 0.12.3-1 Priority: extra Section: universe/graphics Source: v4l2loopback Origin: Ubuntu Maintainer: Ubuntu Developers ubuntu-devel-discuss@lists.ubuntu.com Original-Maintainer: IOhannes m zmölnig (Debian/GNU) umlaeute@debian.org Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 105 Depends: dkms (>= 2.1.0.0) Suggests: v4l2loopback-utils Filename: pool/universe/v/v4l2loopback/v4l2loopback-dkms_0.12.3-1_all.deb Size: 27160 MD5sum: 54f8bb69d030bcd10e757bd101ab9446 SHA1: 23bc19a8016dcc3edbc2c8cbe840c5939fa4212e SHA256: 60d6ff88e8689d140eee43afb245cf97fc981222bd8ab71e17459316cf518de2 Homepage: https://github.com/umlaeute/v4l2loopback Description-en: Source for the v4l2loopback driver (DKMS) This module allows you to create “virtual video devices”. Normal (v4l2) applications will read these devices as if they were ordinary video devices, but the video will not be read from e.g. a capture card but instead it is generated by another application.

This package provides the source code for the v4l2loopback kernel modules to be built with dkms.

There are three methods to install v4l2loopback-dkms 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 v4l2loopback-dkms 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-dkms using apt-get by running the following command:

sudo apt-get -y install v4l2loopback-dkms

Install v4l2loopback-dkms Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install v4l2loopback-dkms using apt by running the following command:

sudo apt -y install v4l2loopback-dkms

Install v4l2loopback-dkms 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-dkms using aptitude by running the following command:

sudo aptitude -y install v4l2loopback-dkms

How To Uninstall v4l2loopback-dkms on Ubuntu 20.04

To uninstall only the v4l2loopback-dkms package we can use the following command:

sudo apt-get remove v4l2loopback-dkms

Uninstall v4l2loopback-dkms And Its Dependencies

To uninstall v4l2loopback-dkms and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove v4l2loopback-dkms

Remove v4l2loopback-dkms Configurations and Data

To remove v4l2loopback-dkms configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge v4l2loopback-dkms

Remove v4l2loopback-dkms configuration, data, and all of its dependencies

We can use the following command to remove v4l2loopback-dkms configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge v4l2loopback-dkms

References

• v4l2loopback-dkms website
• v4l2loopback-dkms on packages.ubuntu.com

Summary

In this tutorial we learn how to install v4l2loopback-dkms package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.