In this entry we discuss what Application Server Management Extension (AMX) and Java Management Extensions (JMX) are, how we can use them to develop custom administration, management and monitoring solutions for GlassFish v3. The article contains tens of diagrams and samples.
This relatively long article discusses OSGI, HK2, GlassFish modularity, how to extend GlassFish CLI and GlassFish administration console, Using GlassFish update system and finally setting up and managing an IPS package system.
If you want to use more than 3GB of ram in ubuntu 9.10 32bit this blog entry is for you.
I authored a refcard about Oracle Berkeley DB Java Edition recently and this refcard published yesterday. You can learn all basics of BDB JE in this refcard. To summarize, BDB JE is an embedded Object or key/value pair ultra fast database. The DBD JE allows us to annotate and store complex object graphs or key/Value pairs.