TreeLauncherSubreaper command not found

In this troubleshooting guide we learn how to fix TreeLauncherSubreaper command not found error message

Introduction

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

TreeLauncherSubreaper: command not found

or when using sudo you get the following error message

sudo: TreeLauncherSubreaper: command not found

Solutions to TreeLauncherSubreaper: command not found

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

In Ubuntu TreeLauncherSubreaper is provided by nvidia-cuda-toolkit package.

nvidia-cuda-toolkit is:

The Compute Unified Device Architecture (CUDA) enables NVIDIA graphics processing units (GPUs) to be used for massively parallel general purpose computation.

This package contains the nvcc compiler and other tools needed for building CUDA applications.

Running CUDA applications requires a supported NVIDIA GPU and the NVIDIA driver kernel module.

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

sudo apt-get -y install nvidia-cuda-toolkit

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

You can also use apt command to install nvidia-cuda-toolkit.

sudo apt -y install nvidia-cuda-toolkit

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

sudo aptitude install nvidia-cuda-toolkit

Summary

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