prometheus-postfix-exporter command not found

Introduction

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

prometheus-postfix-exporter: command not found

or when using sudo you get the following error message

sudo: prometheus-postfix-exporter: command not found

Solutions to prometheus-postfix-exporter: command not found

How To Fix prometheus-postfix-exporter: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu prometheus-postfix-exporter is provided by prometheus-postfix-exporter package.

prometheus-postfix-exporter is:

Prometheus exporter which scrapes the systemd journal of Postfix MTA daemons to expose various metrics such as SMTP connection counts, message delivery statuses / delays etc. This exporter has a slight advantage over the mtail log parser approach, since it also connects to the Postfix admin Unix socket to expose metrics about messages currently in the queue.

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

sudo apt-get -y install prometheus-postfix-exporter

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

You can also use apt command to install prometheus-postfix-exporter.

sudo apt -y install prometheus-postfix-exporter

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

sudo aptitude install prometheus-postfix-exporter

Summary

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