- Find your SteamID64, for example via steamid.io.
- In the panel Console, run
ownerid YOUR_STEAMID64 "YourName", thenserver.writecfg. - Reconnect to the server. You now have admin (F1 console commands, the admin flag in-game).
Use moderatorid for moderators. Your RCON password (generated for you) is on the Startup page, for tools like RustAdmin. Rust+ companion app support uses the App Port shown on the Startup page.