katex command not found

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

Introduction

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

katex: command not found

or when using sudo you get the following error message

sudo: katex: command not found

Solutions to katex: command not found

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

In Ubuntu katex is provided by katex package.

katex is:

KaTeX is a fast, easy-to-use JavaScript library for TeX math rendering on the web.

KaTeX supports all major browsers, including Chrome, Safari, Firefox, Opera, Edge, and IE 9 - IE 11.

This package provides a command line interface for KaTeX, which can be used to render TeX to HTML. By default, CLI will take the input from standard input.

Node.js is an event-based server-side JavaScript engine.

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

sudo apt-get -y install katex

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

You can also use apt command to install katex.

sudo apt -y install katex

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

sudo aptitude install katex

Summary

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