chktex command not found

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

Introduction

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

chktex: command not found

or when using sudo you get the following error message

sudo: chktex: command not found

In Ubuntu chktex is provided by chktex package.

chktex is:

ChkTeX finds typographic errors in LaTeX documents:

Supports over 40 warnings.
Supports \input'' command; both TeX and LaTeX version. Actually includes the files. TEXINPUTS’’-equivalent search path.
Intelligent warning/error handling. The user may promote/mute warnings to suit his preferences. You may also mute warnings in the header of a file; thus killing much unwanted garbage.
Supports both LaTeX 2.09 and LaTeX2e.
Flexible output handling. Has some predefined formats and lets the user specify his own format. Uses a printf()'' similar syntax. lacheck’’ compatible mode included for interfacing with the AUC-TeX Emacs mode.

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

sudo apt-get -y install chktex

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

You can also use apt command to install chktex.

sudo apt -y install chktex

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

sudo aptitude install chktex

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