Admins or operators (OPs) are players that can run commands that can help manage a server or use cheats. Using these steps you can grant these permissions to certain players on your server.
1. Open the Console tab.
2. Type op username
with your in game name to promote to operator and click Send.
1. Open the Basic Server Settings tab
2. Under Admin(s)/OP(s), list each Minecraft username of the players you would like to have admin
3. Save Config & Restart the server
*Note: You must already be an operator using Method 1 or 2 in order to use this command
1. In game, press /
and type op <username>
2. For example, giving admin to the user “indifferent”:
3. Press Enter
. The specified user will now have admin permissions
*Note: To remove admin, you can use the same command but use deop <username>