Here are some basic commands that you should know:
list - shows how much players are online.
ban <playername> - can ban a player.
kick <playername> - throws the player from the server.
pvp - shows you if PvP is active or not.
spawnitem - spawns an item.
completequest - completes your current quest.
There are many more commands! use /help to see everything RCON has to offer.
Finding an error
If you're experiencing an error with your Starbound server, the RCON can almost always find the issue. Most of the time it will be able to fix these errors with just a simple restart.
If this doesn't help, just contact us with the error message and we will help you out. Have fun testing out your commands!