* Create an alias using the webapps setup tab. Call it "webvnc". It will create a folder: /var/hda/webapps/webvnc
* Log into the machine as root, change directory to /var/hda/webapps
* Download package: wget http://spatialguru.com/files/amahi/webvncwebvnc_v1.tgz
* Extract package: tar -xzf webvnc.tgz - this should create files in /var/hda/webapps/webvnc/html/...
* Set user permissions so that Amahi can clean up later if needed: chown -R apache.apache /var/hda/webapps/webvnc