arptables-legacy-save command not found

Introduction

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

arptables-legacy-save: command not found

or when using sudo you get the following error message

sudo: arptables-legacy-save: command not found

Solutions to arptables-legacy-save: command not found

How To Fix arptables-legacy-save: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu arptables-legacy-save is provided by arptables package.

arptables is:

Arptables is used to set up, maintain, and inspect the tables of ARP rules in the Linux kernel. It is analogous to iptables, but operates at the ARP layer rather than the IP layer.

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

sudo apt-get -y install arptables

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

You can also use apt command to install arptables.

sudo apt -y install arptables

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

sudo aptitude install arptables

Summary

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