rbldnsd command not found

Introduction

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

rbldnsd: command not found

or when using sudo you get the following error message

sudo: rbldnsd: command not found

Solutions to rbldnsd: command not found

How To Fix rbldnsd: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu rbldnsd is provided by rbldnsd package.

rbldnsd is:

rbldnsd is a small authoritative-only DNS nameserver designed to serve DNS-based blocklists (DNSBLs). It may handle IP-based and name-based blocklists.

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

sudo apt-get -y install rbldnsd

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

You can also use apt command to install rbldnsd.

sudo apt -y install rbldnsd

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

sudo aptitude install rbldnsd

Summary

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