How to set yourself as Admin or others

Firstly, Access your Game panel and view your main service page

if your server is running, Stop your server
Go to "Configuration Files" section and edit the adminlist.txt file via the text editor
Add the admin ID's UUID one per line
Then Start server

Find and join your server, Once you are in-game

Press F5 to open console and type help for all commands

Questions and Answers

How do i get my player ID?

Join your server server
Press F2 key on your keyboard
Under the Players box, you will find the ID in front of the player name