juce-modules-source software package provides Jules Utility Class Extensions (module sources), 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 juce-modules-source
juce-modules-source is installed in your system.
Make ensure the juce-modules-source package were installed using the commands given below,
$ sudo dpkg-query -l | grep juce-modules-source *
You will get with juce-modules-source package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Development |
| Package | juce-modules-source |
| Version | 4.1.0+repack-3 |
| Description | Jules Utility Class Extensions (module sources) |
| Sub Section | Devel |