Make sure you have the Server Auth set.
Join the Server.
Press F3
Before entering any command you must put serverrun infront of it
https://stationeers.fandom.com/wiki/Dedicated_server List all commands and args for them.
The Game does not give feedback ingame for commands
Stationeers guide
How to use Admin Commands on your Stationeers Server
This guide will show you how to use Admin commands on your Stationeers Server.