pfqueue command not found

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

Introduction

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

pfqueue: command not found

or when using sudo you get the following error message

sudo: pfqueue: command not found

Solutions to pfqueue: command not found

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

In Ubuntu pfqueue is provided by pfqueue package.

pfqueue is:

pfqueue is a queue manager for different MTAs (currently postfix and exim), allowing to delete, hold, release, or requeue messages.

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

sudo apt-get -y install pfqueue

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

You can also use apt command to install pfqueue.

sudo apt -y install pfqueue

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

sudo aptitude install pfqueue

Summary

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