dxpc software package provides differential X protocol compressor, 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 dxpc
dxpc is installed in your system.
Make ensure the dxpc package were installed using the commands given below,
$ sudo dpkg-query -l | grep dxpc *
You will get with dxpc package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | X Window System software |
| Package | dxpc |
| Version | 3.9.2-4+b1 [s390x], 3.9.2-4 [a |
| Description | differential X protocol compressor |
| Sub Section | x11 |