The StackHub daemon requires a Java 1.5 VM and the ability to open an outbound TCP connection to port 80/443. Let's make sure you have the right version handy.
$> /path/to/your/installation/of/java -version
$> cd stackhub-0.9 $> /path/to/your/installation/of/java -jar stackhub-0.9.jar your-app-token-that-looks-like-a-SHA1-hash
Discovered /10.0.1.2 and binding to it on port 8888
$> java -Dport=9999 -DlistenIP=192.168.1.77 -jar stackhub-0.9.jar your-app-token-that-looks-like-a-SHA1-hash