The following article will cover the steps needed to become an admin on your Project Zomboid Server Hosted By Host Havoc.
Method 1:
Join your server at least one time.
Login to the server's control panel.
Click on the web Console icon
Run the command: SetAccessLevel USERNAME admin
Replace USERNAME with your ingame account name
Method 2:
1. Start your local Project Zomboid client.
2. Set the Account Username to admin. Set the Account Password to ChangeMe123!
If you'd like to change the password you can view this article for instructions. How to change the server admin password
3. If you have not yet done so, set the IP and Port and click save.
You're all set. You can now join the server as an admin.
For a full list of admin commands, please visit the following site: Project Zomboid Admin Commands
