dieharder software package provides Random-number generator test front-end, 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 dieharder
dieharder is installed in your system.
Make ensure the dieharder package were installed using the commands given below,
$ sudo dpkg-query -l | grep dieharder *
You will get with dieharder package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | dieharder |
| Version | 3.31.1-7 |
| Description | Random-number generator test front-end |
| Sub Section | Devel |