libguac5 software package provides Core Guacamole library used by guacd and client plugins, 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 libguac5
libguac5 is installed in your system.
Make ensure the libguac5 package were installed using the commands given below,
$ sudo dpkg-query -l | grep libguac5 *
You will get with libguac5 package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Libraries |
| Package | libguac5 |
| Version | 0.8.3-1+b2 [amd64, armel, armh |
| Description | Core Guacamole library used by guacd and client plugins |
| Sub Section | libs |