gnunet-gtk software package provides GNUs framework for secure peer-to-peer networking (GTK+ client), 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 gnunet-gtk
gnunet-gtk is installed in your system.
Make ensure the gnunet-gtk package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnunet-gtk *
You will get with gnunet-gtk package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Network |
| Package | gnunet-gtk |
| Version | 0.10.1-2 |
| Description | GNUs framework for secure peer-to-peer networking (GTK+ client) |
| Sub Section | Net |