OpenMeetings
OpenMeetings - Installation
Enabling import of PDFs into whiteboard
Install
GhostScript
on the server, you can get more information on
http://pages.cs.wisc.edu/~ghost/
regarding installation. The instructions for installation can be found there, however on most linux systems you can get it via your favorite package managers (apt-get it).
If you have further questions or need support in installation or hosting:
Community-Support:
Mailing lists
Commercial-Support:
Commercial-Support