If you're like me, you never, ever turn down a free t-shirt. But most of the shirts I get as conference swag end up as pajamas, or rags for polishing guitars. Only the coolest shirts make it out into the daylight on my back. I suspect that may be why Arun Gupta wants to give you a shot at producing the next GlassFish t-shirt. Get the details in this post from The Aquarium blog, and make sure you get your submission in before the August 20 deadline.
The man known only as Donald wraps up his four-part series about using LDAP to provide a shared authentication facility using Exalogic components This final installment focuses on "enabling a user to log onto some compute nodes but not others."