rdnssd command not found

Introduction

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

rdnssd: command not found

or when using sudo you get the following error message

sudo: rdnssd: command not found

Solutions to rdnssd: command not found

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

In Ubuntu rdnssd is provided by rdnssd package.

rdnssd is:

rdnssd autoconfigures recursive DNS servers on IPv6 networks using ICMPv6 Neighbor Discovery (RFC 5006), and can update the DNS resolvers configuration (/etc/resolv.conf) accordingly.

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

sudo apt-get -y install rdnssd

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

You can also use apt command to install rdnssd.

sudo apt -y install rdnssd

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

sudo aptitude install rdnssd

Summary

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