chktex software package provides Finds typographic errors in LaTeX, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install chktex
chktex is installed in your system.
Make ensure the chktex package were installed using the commands given below,
$ sudo dpkg-query -l | grep chktex *
You will get with chktex package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | TeX |
| Package | chktex |
| Version | 1.7.4-1ubuntu2 |
| Description | Finds typographic errors in LaTeX |
| Sub Section | TeX |