diffmon software package provides Tool for reporting changes in system configuration, 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 diffmon
diffmon is installed in your system.
Make ensure the diffmon package were installed using the commands given below,
$ sudo dpkg-query -l | grep diffmon *
You will get with diffmon package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Administration Utilities |
| Package | diffmon |
| Version | 20020222-2.6 |
| Description | Tool for reporting changes in system configuration |
| Sub Section | admin |