How can i promote my server

Generally a catchy name and list the most important and unique parts of your server on the name, also when your server first becomes public make sure to get as many people on as you can then, gather all the friends you can and make them stay there for about an hour, this will make people interested and want to check your server out. Make sure the friends you bring are just users, dont make them admin just yet otherwise actual players will just leave in disinterest at your server.