send_arp command not found

Introduction

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

send_arp: command not found

or when using sudo you get the following error message

sudo: send_arp: command not found

Solutions to send_arp: command not found

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

In Ubuntu send_arp is provided by fake package.

fake is:

Fake is a utility that enables the IP address be taken over by bringing up a second interface on the host machine and using gratuitous arp. Designed to switch in backup servers on a LAN.

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

sudo apt-get -y install fake

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

You can also use apt command to install fake.

sudo apt -y install fake

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

sudo aptitude install fake

Summary

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