There are multiple ways you can participate in this community, just like any other SE community. 

First off take some time to read the [tour][1] and the [help center][2], Server Fault is more than just what the name suggests.

Asking, good, well researched questions should get you some rep as may answering questions.

You can also edit content and gain reputation that way.

If you have an account elsewhere on the SE network then if you have (I think) just 200 reputation you can gain an association bonus of 100 here on SF to boost your startup.


  [1]: http://serverfault.com/tour
  [2]: http://serverfault.com/help