keep-one-running command not found

In this troubleshooting guide we learn how to fix keep-one-running command not found error message

Introduction

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

keep-one-running: command not found

or when using sudo you get the following error message

sudo: keep-one-running: command not found

In Ubuntu keep-one-running is provided by run-one package.

run-one is:

This utility will run just one instance at a time of some command and unique set of arguments (useful for cronjobs, eg).

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

sudo apt-get -y install run-one

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

You can also use apt command to install run-one.

sudo apt -y install run-one

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

sudo aptitude install run-one

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