[Building Sakai] Logging INFO on Ubuntu

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Hi,
On windows, when tomcat startup there's a console which shows LOG INFO, and I 
can know when all webapp finishing loading. But I just tried Sakai on Ubuntu 
10.10, when I run startup.sh, that logging console doesn't apear, so I have to 
wait without any information if it finished or crashed ( I waited for a while 
and go localhost:8080/portal, it worked fine). Is there anyway enable such 
logging console like on Windows?

Thanks.

Behaibeo.
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