thanks for your help. I was able to install zenoos almost sucessufully - i got the following error:
Connecting to xxxxxx|x.x.x.x|:8080... connected.
HTTP request sent, awaiting response... 500 Internal Server Error
2013-06-06 21:09:11 ERROR 500: Internal Server Error.
Zenoss installation completed.
and i see the web page kind of broken.
Thanks in advance