v4l2loopback-ctl command not found

In this troubleshooting guide we learn how to fix v4l2loopback-ctl command not found error message

Introduction

When you run more command in linux terminal / console, you get the following error message

v4l2loopback-ctl: command not found

or when using sudo you get the following error message

sudo: v4l2loopback-ctl: command not found

Solutions to v4l2loopback-ctl: command not found

How To Fix v4l2loopback-ctl: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu v4l2loopback-ctl is provided by v4l2loopback-utils package.

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

To fix this problem, we can install more using the command below.

sudo apt-get -y install v4l2loopback-utils

This command might take some time to finish depending on your machine internet connection.

You can also use apt command to install v4l2loopback-utils.

sudo apt -y install v4l2loopback-utils

Or if you have aptitude installed you can use the following command.

sudo aptitude install v4l2loopback-utils

Summary

In this tutorial we learn how to fix v4l2loopback-ctl command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.