zynaddsubfx-ext-gui command not found

Introduction

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

zynaddsubfx-ext-gui: command not found

or when using sudo you get the following error message

sudo: zynaddsubfx-ext-gui: command not found

Solutions to zynaddsubfx-ext-gui: command not found

How To Fix zynaddsubfx-ext-gui: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu zynaddsubfx-ext-gui is provided by zynaddsubfx package.

zynaddsubfx is:

A real-time software synthesizer for Linux and Windows with many features, including polyphony, multi-timbral and microtonal capabilities. It includes randomness of some parameters, which makes warm sounds, like analogue synthesizers. It has system/insertion effects too, and much more.

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

sudo apt-get -y install zynaddsubfx

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

You can also use apt command to install zynaddsubfx.

sudo apt -y install zynaddsubfx

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

sudo aptitude install zynaddsubfx

Summary

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