libfko2-dbg software package provides FireWall KNock OPerator - debugging symbols, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libfko2-dbg
libfko2-dbg is installed in your system.
Make ensure the libfko2-dbg package were installed using the commands given below,
$ sudo dpkg-query -l | grep libfko2-dbg *
You will get with libfko2-dbg package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Debug packages |
| Package | libfko2-dbg |
| Version | 2.6.0-2.1+b1 [amd64, armel, ar |
| Description | FireWall KNock OPerator - debugging symbols |
| Sub Section | Debug |