JBoss.orgCommunity Documentation
To run eXo Platform 3.5, your system is required to meet the following specifications or higher.
CPU: 2GHz
Memory: 2GB of RAM
Disk: 200MB
OS: Windows, Linux or Mac OS X
Java 6 (Set the JAVAHOME environment variable)
Browser: Firefox 3.5, 3.6 and 4 or Internet Explorer 7, 8 and 9
The eXo server will run on the 8080 portal, so make sure this port is not currently in use.