A Journey of a Thousand Miles Begins with a Single Step

Whiskey in the jar - the java archive tool

The jar command allows you to manipulate Java Archives (JAR, EAR, WAR). This post demonstrates some examples.

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Extract file contents of rpm archive

This post demonstrates how to extract the file contents of an rpm package, for e.g. analyzing the rpm packaging.

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Add Oracle DB datasource to JBoss

This post demonstrates how to establish a data-source configuration for JBoss EAP with the Oracle DB.

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Find and delete files older than x days

On Linux you have powerful options with the find command. This post demonstrates how to find files older than 14 days (2 weeks) and remove them. Of course you can choose the amount of days as you like.

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Oops I did it! I love it! My new MacBook Pro!

Starting from today I’m a proud owner of an Apple MacBook Pro Retina (15.40”, Intel Core i7, 16GB).

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beans.xml in Java EE 7

If you are familiar with CDI (Contexts and Dependency Injection) you know that in Java EE 6 you need a beans.xml in META-INF or WEB-INF the module for getting the CDI magic to work. Basically it is needed for the beans discovery. Everyone has now and then maybe forgot the beans.xml. With Java EE 7 it has changed.

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