HOW TO TURN ON THE ALLIANCE SETTINGS FOR YOUR ARK SERVER?

Step 1) Go to your Console > click on your server and stop it using the "STOP" button. Once your server is stopped, go to the "FILE MANAGER", which you’ll find in the menu on the left under "SERVER CONTROLS".

Step 2) Navigate to ShooterGame > Saved > Config > LinuxServer > open the GameUserSettings.ini file and you will see a text editor.

Step 3) Inside this text editor, you will see the [ServerSettings] section. 

Step 4) Adjust or add the parameters PreventOfflinePvP=False and PreventTribeAlliances=False on new lines under the [ServerSettings] section

Step 5) After you are done modifying your settings click the Save Content button.

Step 6) Navigate to ShooterGame > Saved > Config > LinuxServer > open the Game.ini file and you will see a text editor.

Step 7) If the text editor is empty, add the following text on the first line: [/script/shootergame.shootergamemode]

Under the [/script/shootergame.shootergamemode] line, аdjust the following settings, or add them if not present: MaxAlliancesPerTribe=5 and MaxTribesPerAlliance=5

Step 8) After you are done modifying your settings click the Save Content button.

Step 9) Go back to the Console and start the server again.

Congratulations! Your alliance settings are now adjusted.