Where do I find my server IP?
It is displayed on the main dashboard of your control panel.
How do I make myself admin (OP)?
Go to the Console tab and type op [your_username] (without the /).
Can I upload my own world?
Yes, use the SFTP Details in the Settings tab to upload your world folder using FileZilla.
Why is my server lagging?
Check your RAM usage. If you are hitting the limit, you may need to upgrade your plan or reduce view distance.