gnunet-dbg software package provides GNUs framework for secure peer-to-peer networking (debug), you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gnunet-dbg
gnunet-dbg is installed in your system.
Make ensure the gnunet-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep gnunet-dbg *
You will get with gnunet-dbg package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Debug packages |
| Package | gnunet-dbg |
| Version | 0.10.1-3+b2 |
| Description | GNUs framework for secure peer-to-peer networking (debug) |
| Sub Section | debug |