How To Install arpalert on Ubuntu 22.04

In this tutorial we learn how to install arpalert on Ubuntu 22.04. arpalert is monitor ARP changes in ethernet networks

Introduction

In this tutorial we learn how to install arpalert on Ubuntu 22.04.

What is arpalert

arpalert is:

The arpalert daemon is a security tool that listens on a network interface (without using ‘promiscuous’ mode) and catches all conversations of MAC address to IP request to alert of possibility of ARP spoofing attack.

It compares the mac addresses it detected with a pre-configured list of authorized MAC addresses. If the MAC is not in list, arpalert launches a pre-defined user script with the MAC address and IP address as parameters.

If you need to use a list of authorized MAC addresses, this package should suit your needs, otherwise arpwatch may be also fine.

There are three methods to install arpalert on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install arpalert Using apt-get

Update apt database with apt-get using the following command.

sudo apt-get update

After updating apt database, We can install arpalert using apt-get by running the following command:

sudo apt-get -y install arpalert

Install arpalert Using apt

Update apt database with apt using the following command.

sudo apt update

After updating apt database, We can install arpalert using apt by running the following command:

sudo apt -y install arpalert

Install arpalert Using aptitude

If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.

sudo aptitude update

After updating apt database, We can install arpalert using aptitude by running the following command:

sudo aptitude -y install arpalert

How To Uninstall arpalert on Ubuntu 22.04

To uninstall only the arpalert package we can use the following command:

sudo apt-get remove arpalert

Uninstall arpalert And Its Dependencies

To uninstall arpalert and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:

sudo apt-get -y autoremove arpalert

Remove arpalert Configurations and Data

To remove arpalert configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge arpalert

Remove arpalert configuration, data, and all of its dependencies

We can use the following command to remove arpalert configurations, data and all of its dependencies, we can use the following command:

sudo apt-get -y autoremove --purge arpalert

References

Summary

In this tutorial we learn how to install arpalert package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.