entr command not found

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

Introduction

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

entr: command not found

or when using sudo you get the following error message

sudo: entr: command not found

In Ubuntu entr is provided by entr package.

entr is:

The Event Notify Test Runner (entr) runs arbitrary commands when files change. Changes are detected through the kqueue/inotify kernel interface.

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

sudo apt-get -y install entr

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

You can also use apt command to install entr.

sudo apt -y install entr

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

sudo aptitude install entr

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