How To Install ettercap-common on Ubuntu 20.04

In this tutorial we learn how to install ettercap-common on Ubuntu 20.04. ettercap-common is Multipurpose sniffer/interceptor/logger for switched LAN

Introduction

In this tutorial we learn how to install ettercap-common on Ubuntu 20.04.

What is ettercap-common

ettercap-common is:

Ettercap supports active and passive dissection of many protocols (even encrypted ones) and includes many feature for network and host analysis.

Data injection in an established connection and filtering (substitute or drop a packet) on the fly is also possible, keeping the connection synchronized.

Many sniffing modes are implemented, for a powerful and complete sniffing suite. It is possible to sniff in four modes: IP Based, MAC Based, ARP Based (full-duplex) and PublicARP Based (half-duplex).

Ettercap also has the ability to detect a switched LAN, and to use OS fingerprints (active or passive) to find the geometry of the LAN.

This package contains the Common support files, configuration files, plugins, and documentation. You must also install either ettercap-graphical or ettercap-text-only for the actual GUI-enabled or text-only ettercap executable, respectively.

There are three methods to install ettercap-common on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.

Install ettercap-common Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install ettercap-common

Install ettercap-common Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install ettercap-common

Install ettercap-common 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 ettercap-common using aptitude by running the following command:

sudo aptitude -y install ettercap-common

How To Uninstall ettercap-common on Ubuntu 20.04

To uninstall only the ettercap-common package we can use the following command:

sudo apt-get remove ettercap-common

Uninstall ettercap-common And Its Dependencies

To uninstall ettercap-common and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:

sudo apt-get -y autoremove ettercap-common

Remove ettercap-common Configurations and Data

To remove ettercap-common configuration and data from Ubuntu 20.04 we can use the following command:

sudo apt-get -y purge ettercap-common

Remove ettercap-common configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge ettercap-common

References

Summary

In this tutorial we learn how to install ettercap-common package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.