Starting my first lvn Job in small hospital.

Ok. Well i graduated Nursing School (lvn) in december 2013, passed my nclex until this past August, well i got a Job At the local hospital in a small town. Everybody is very nice and friendly, but I feel insecure, like Im not going to know Anything. Please I need some helpful advice, encouragment from you nurses out there, some tips on starting your first Job. I Would really appreciate it, Also i am a little shy At first :/ help!!