killer command not found

Introduction

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

killer: command not found

or when using sudo you get the following error message

sudo: killer: command not found

Solutions to killer: command not found

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

In Ubuntu killer is provided by killer package.

killer is:

killer is a perl script that gets rid of background jobs. Background jobs are defined as processes that belong to users who are not currently logged into the machine. Jobs can be run in the background (and are exempt from killer’s actions) if their scheduling priority has been reduced by increasing their nice(1) value or if they are being run through condor.

When the package is installed, a cron job is installed to run killer once an hour.

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

sudo apt-get -y install killer

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

You can also use apt command to install killer.

sudo apt -y install killer

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

sudo aptitude install killer

Summary

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