v4l2-relayd command not found

Introduction

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

v4l2-relayd: command not found

or when using sudo you get the following error message

sudo: v4l2-relayd: command not found

Solutions to v4l2-relayd: command not found

How To Fix v4l2-relayd: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu v4l2-relayd is provided by v4l2-relayd package.

v4l2-relayd is:

v4l2-relayd serves as streaming relay daemon between hardware camera and a v4l2loopback device with a mechanism based on V4L2 Events API to manage hardware resources.

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

sudo apt-get -y install v4l2-relayd

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

You can also use apt command to install v4l2-relayd.

sudo apt -y install v4l2-relayd

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

sudo aptitude install v4l2-relayd

Summary

In this tutorial we learn how to fix v4l2-relayd command not found error in Ubuntu / Debian / Kali Linux or Raspbian distribution.