jupyter-kernel command not found

Introduction

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

jupyter-kernel: command not found

or when using sudo you get the following error message

sudo: jupyter-kernel: command not found

Solutions to jupyter-kernel: command not found

How To Fix jupyter-kernel: command not found in Ubuntu / Debian / Kali Linux / Raspbian

In Ubuntu jupyter-kernel is provided by jupyter-client package.

jupyter-client is:

This software component contains the reference implementation of the Jupyter protocol. It also provides client and kernel management APIs to work with kernels, the “jupyter kernelspec” entry point to install kernelspecs for use with Jupyter frontends and the “jupyter run” command to execute a script on a jupyter kernel.

This package contains the jupyter-kernelspec and jupyter-run tools.

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

sudo apt-get -y install jupyter-client

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

You can also use apt command to install jupyter-client.

sudo apt -y install jupyter-client

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

sudo aptitude install jupyter-client

Summary

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