The following article will cover the step needed to use admin on your DayZ Server Hosted By Host Havoc.
Setting the admin password
1. Log into your game panel.
2. Stop your service if it is running.
3. Click on in your game panel and then click on for the serverDZ_By_HostHavoc.cfg file.
4. Locate the
passwordAdmin = "ChangeMe123!"; // Password to become server admin, change the
ChangeMe123! portion to whatever you'd like and click on
Using admin within the game
1. Log into your server.
2. Open the in-game chat by pressing enter and type
The complete list of admin commands for DayZ can be found here: https://community.bistudio.com/wiki/Multiplayer_Server_Commands