Look in the sites and sessions section, find an event or session near you. Go to it.
Don't be afraid to ask experienced guys for advice - they're usually more than happy to help out a grom.
It's great that you're getting into longboarding but try not to start threads with really vague open-ended questions - it makes it more likely you'll get hostile and sarcastic replies. Give more detail about what board you have and what you can already do. Spend some time reading through the site and the forum.