hddemux command not found

Introduction

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

hddemux: command not found

or when using sudo you get the following error message

sudo: hddemux: command not found

Solutions to hddemux: command not found

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

In Ubuntu hddemux is provided by hddemux package.

hddemux is:

hddemux listens on a stream and routes incoming clients to either an HTTP/1.x backend or a DNS stream-based backend depending on the first request to appear on the stream.

This is useful when making DNS-over-TLS (RFC 7858) connections that appear to the network be HTTPS connections, for example, which makes it easier to traverse a network that would prefer to block the user from making DNS-over-TLS queries.

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

sudo apt-get -y install hddemux

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

You can also use apt command to install hddemux.

sudo apt -y install hddemux

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

sudo aptitude install hddemux

Summary

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