hud-tools software package provides Tools for debugging the Unity HUD., 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 hud-tools
hud-tools is installed in your system.
Make ensure the hud-tools package were installed using the commands given below,
$ sudo dpkg-query -l | grep hud-tools *
You will get with hud-tools package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | GNOME |
| Package | hud-tools |
| Version | 14.10+16.04.20160415-0ubuntu1 |
| Description | Tools for debugging the Unity HUD. |
| Sub Section | GNOME |