Upload a world
Here's a tutorial on how to upload worlds using the Multiverse plugin
1) Upload the .ZIP file to your file management.
2) Unzip the .ZIP folder inside of your file management.
3) Make sure there is a new folder.
4) Using either console or in-game, execute the
mv import foldername normal, remembering not to use
5) If this succeeds then you will see a message in game/console.
6) This step is optional but if you wish to have your new world as your main world that players will spawn in you will need to deactivate your server.
7) Delete your current world folder and rename the new folder to "
8) Activate your server