If you are running these commands from the console, do not include the forward slash.
- Using the /opand/deopcommands. An existing operator can use the command/opto add an operator, and/deopto remove an operator. These commands can entered in-game, and in your server's console.
- Editing the ops.txtfile (1.7.5 or earlier only!). Operators are listed in theops.txtfile. You can edit this in the Multicraft control panel by going to Files → Config Files → Operators. Each username must be added on a single line. You must then restart your server for the changes to take effect.
Further reading
Minecraft Wiki page on Operators
Minecraft Wiki page on Operator-only commands
 
                
