You can customize your world by editing the server.properties file with a text editor:
Set to false if you want to allow players with non-premium accounts to join. difficulty: Change from 1 (Easy) to 2 (Normal) or 3 (Hard). motd: This is the message players see in their server list. 5. Joining the Server skachat server maina 1 8 1
At least 2GB of RAM is needed for a basic vanilla server, though 4GB is recommended for a smoother experience. You can customize your world by editing the server