Men greeting Men - Men usually shake hands when greeting one another and maintain direct eye contact. At a first meeting a warm handshake will suffice. 

Women greeting Women - At a first meeting, women generally shake hands. Friends and close acquaintances usually kiss each other once on the cheek. 

Greetings between Men & Women - At a first meeting a regular handshake will do.  Friends, family and close acquaintances usually share a light kiss on the cheek.