Xephyr command not found

In this troubleshooting guide we learn how to fix Xephyr command not found error message

Introduction

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

Xephyr: command not found

or when using sudo you get the following error message

sudo: Xephyr: command not found

Solutions to Xephyr: command not found

How To Fix Xephyr: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu Xephyr is provided by xserver-xephyr package.

xserver-xephyr is:

Xephyr is an X server that can be run inside another X server, much like Xnest. It is based on the kdrive X server, and as a result it supports newer extensions than Xnest, including render and composite.

More information about X.Org can be found at: URL:https://www.x.org

This package is built from the X.org xserver module.

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

sudo apt-get -y install xserver-xephyr

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

You can also use apt command to install xserver-xephyr.

sudo apt -y install xserver-xephyr

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

sudo aptitude install xserver-xephyr

Summary

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