Java EE 6 projects can be easily created from command line. You only need Maven 3 for that purpose:
See also a "transcription" of the screencast in my post Kickstarting Real World Java EE 6 Projects With Maven 3.
After the initial euphoria you should also take a look at Trouble With Crippled Java EE 6 APIs in Maven Repository And The Solution :-).
NEW workshop: Building HTML 5 Applications Without Frameworks, Full week in December 2016: from Java EE 7 Bootstrap, Effective, Architectures over Testing to Microservices
On demand workshops: Java EE 7: Bootstrap, Effective, Testing and Microservices available for streaming.