jool command not found

Introduction

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

jool: command not found

or when using sudo you get the following error message

sudo: jool: command not found

Solutions to jool: command not found

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

In Ubuntu jool is provided by jool-tools package.

jool-tools is:

Jool is an IP/ICMP translator; a NAT-like kernel-based utility that converts IPv4 traffic into IPv6 and vice versa, according to a configurable IP address translation strategy.

This package contains the userspace tools. The kernel modules can be found in the jool-dkms package.

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

sudo apt-get -y install jool-tools

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

You can also use apt command to install jool-tools.

sudo apt -y install jool-tools

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

sudo aptitude install jool-tools

Summary

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