ray-daemon command not found

In this troubleshooting guide we learn how to fix ray-daemon command not found error message

Introduction

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

ray-daemon: command not found

or when using sudo you get the following error message

sudo: ray-daemon: command not found

Solutions to ray-daemon: command not found

How To Fix ray-daemon: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu ray-daemon is provided by raysession package.

raysession is:

Ray Session is a GNU/Linux session manager for audio programs as Ardour, Carla, QTractor, Non-Timeline, etc…

It uses the same API as Non Session Manager, so programs compatible with NSM are also compatible with Ray Session. As Non Session Manager, the principle is to load together audio programs, then be able to save or close all documents together.

Ray Session offers a little more:

Factory templates for NSM and LASH compatible applications
Possibility to save any client as template
Save session as template
Name files with a prettier way
remember if client was started or not
Abort session almost anytime
Change Main Folder of sessions on GUI
Possibility to KILL client if clean exit is too long
Open Session Folder button (open default file manager)

Ray Session is being developed by houston4444, using Python3 and Qt5.

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

sudo apt-get -y install raysession

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

You can also use apt command to install raysession.

sudo apt -y install raysession

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

sudo aptitude install raysession

Summary

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