ifdown command not found

Introduction

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

ifdown: command not found

or when using sudo you get the following error message

sudo: ifdown: command not found

Solutions to ifdown: command not found

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

In Ubuntu ifdown is provided by ifupdown package.

ifupdown is:

This package provides the tools ifup and ifdown which may be used to configure (or, respectively, deconfigure) network interfaces based on interface definitions in the file /etc/network/interfaces.

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

sudo apt-get -y install ifupdown

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

You can also use apt command to install ifupdown.

sudo apt -y install ifupdown

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

sudo aptitude install ifupdown

Summary

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