clockwork command not found

Introduction

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

clockwork: command not found

or when using sudo you get the following error message

sudo: clockwork: command not found

Solutions to clockwork: command not found

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

In Ubuntu clockwork is provided by ruby-clockwork package.

ruby-clockwork is:

Clockwork is a cron replacement. It runs as a lightweight, long-running Ruby process which sits alongside your web processes (Mongrel/Thin) and your worker processes (DJ/Resque/Minion/Stalker) to schedule recurring work at particular times or dates.

For example, refreshing feeds on an hourly basis, or send reminder emails on a nightly basis, or generating invoices once a month on the 1st.

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

sudo apt-get -y install ruby-clockwork

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

You can also use apt command to install ruby-clockwork.

sudo apt -y install ruby-clockwork

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

sudo aptitude install ruby-clockwork

Summary

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