This article will help to guide you on changing your map on Rust

Log in to your TCADMIN panel

Click on the "Command-line Settings" Icon
Rust Control Panel Command-line Settings

Clicking "Apply" will cause your server to restart if the server is online. If you are not ready for your server to be restarted, click "Don't Restart".
Command-line "Don't Restart"

Click the "Enable Me?" on the far right a menu will appear here is where you can change your map and seed and RCON password.
Rust Change Map Type + Size + Seed

Make the appropriate changed to the fields for the Type, Size and Seed of your desired map. Click "Apply"
Rust Change Map Type + Size + Seed

Start server.

You can find more Rust maps on the following website :
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