gpm software package provides General Purpose Mouse interface, 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 gpm
gpm is installed in your system.
Make ensure the gpm package were installed using the commands given below,
$ sudo dpkg-query -l | grep gpm *
You will get with gpm package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Miscellaneous |
| Package | gpm |
| Version | 1.20.4-6.1 |
| Description | General Purpose Mouse interface |
| Sub Section | Misc |