guacd software package provides Guacamole proxy daemon, 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 guacd
guacd is installed in your system.
Make ensure the guacd package were installed using the commands given below,
$ sudo dpkg-query -l | grep guacd *
You will get with guacd package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Network |
| Package | guacd |
| Version | 0.8.3-1+b2 [amd64, armel, armh |
| Description | Guacamole proxy daemon |
| Sub Section | Net |