How To Install netcat-openbsd on Ubuntu 22.04

In this tutorial we learn how to install netcat-openbsd on Ubuntu 22.04. netcat-openbsd is TCP/IP swiss army knife

Introduction

In this tutorial we learn how to install netcat-openbsd on Ubuntu 22.04.

What is netcat-openbsd

netcat-openbsd is:

A simple Unix utility which reads and writes data across network connections using TCP or UDP protocol. It is designed to be a reliable “back-end” tool that can be used directly or easily driven by other programs and scripts. At the same time it is a feature-rich network debugging and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities.

This package contains the OpenBSD rewrite of netcat, including support for IPv6, proxies, and Unix sockets.

There are three methods to install netcat-openbsd 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 netcat-openbsd Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install netcat-openbsd

Install netcat-openbsd Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install netcat-openbsd

Install netcat-openbsd 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 netcat-openbsd using aptitude by running the following command:

sudo aptitude -y install netcat-openbsd

How To Uninstall netcat-openbsd on Ubuntu 22.04

To uninstall only the netcat-openbsd package we can use the following command:

sudo apt-get remove netcat-openbsd

Uninstall netcat-openbsd And Its Dependencies

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

sudo apt-get -y autoremove netcat-openbsd

Remove netcat-openbsd Configurations and Data

To remove netcat-openbsd configuration and data from Ubuntu 22.04 we can use the following command:

sudo apt-get -y purge netcat-openbsd

Remove netcat-openbsd configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge netcat-openbsd

References

Summary

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