rbldns-data command not found

Introduction

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

rbldns-data: command not found

or when using sudo you get the following error message

sudo: rbldns-data: command not found

Solutions to rbldns-data: command not found

How To Fix rbldns-data: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu rbldns-data is provided by rbldns package.

rbldns is:

rbldns is a special-purplose DNS server, that provides information about blacklisted IP addresses. This information is typically used by email software in effort to stop spam.

For more information about this technique, see RFC 6471.

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

sudo apt-get -y install rbldns

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

You can also use apt command to install rbldns.

sudo apt -y install rbldns

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

sudo aptitude install rbldns

Summary

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