gnunet-qt software package provides secure, trust-based peer-to-peer framework (Qt client), you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnunet-qt
gnunet-qt is installed in your system.
Make ensure the gnunet-qt package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnunet-qt *
You will get with gnunet-qt package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Network |
| Package | gnunet-qt |
| Version | 1:0.8.1a-4 |
| Description | secure, trust-based peer-to-peer framework (Qt client) |
| Sub Section | Net |