eximon command not found

Introduction

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

eximon: command not found

or when using sudo you get the following error message

sudo: eximon: command not found

Solutions to eximon: command not found

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

In Ubuntu eximon is provided by eximon4 package.

eximon4 is:

Eximon is a helper program for the Exim MTA (v4). It allows administrators to view the mail queue and logs, and perform a variety of actions on queued messages, such as freezing, bouncing and thawing messages.

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

sudo apt-get -y install eximon4

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

You can also use apt command to install eximon4.

sudo apt -y install eximon4

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

sudo aptitude install eximon4

Summary

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