How To Install fpdns on Ubuntu 22.04

In this tutorial we learn how to install fpdns on Ubuntu 22.04. fpdns is remotely determine DNS server version

Introduction

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

What is fpdns

fpdns is:

A nameserver basically responds to a query. Interoperability is an obvious requirement here. The standard protocol behaviour of different DNS implementations is expected to be the same.

The reality is quite different though. fpdns uses a series of borderline DNS queries to determine the vendor, product and version of a nameserver.

There are three methods to install fpdns 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 fpdns Using apt-get

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

sudo apt-get update

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

sudo apt-get -y install fpdns

Install fpdns Using apt

Update apt database with apt using the following command.

sudo apt update

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

sudo apt -y install fpdns

Install fpdns 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 fpdns using aptitude by running the following command:

sudo aptitude -y install fpdns

How To Uninstall fpdns on Ubuntu 22.04

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

sudo apt-get remove fpdns

Uninstall fpdns And Its Dependencies

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

sudo apt-get -y autoremove fpdns

Remove fpdns Configurations and Data

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

sudo apt-get -y purge fpdns

Remove fpdns configuration, data, and all of its dependencies

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

sudo apt-get -y autoremove --purge fpdns

References

Summary

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