How to run steamcmd on Raspberry PI

README.md

SteamCMD under Rraspberry PI using Docker

First time setup

1. mkdir SteamCMD

2. cd SteamCMD

3. export stUsername=<yourUsername>

4. export stPW=<YourPassword>

5. export stPL=windows

6. export stID=<gameID>

7. Create script file

   cat <<EOF > script.txt
   @ShutdownOnFailedCommand 1
   @NoPromptForPassword 1
   @sSteamCmdForcePlatformType $stPL
   force_install_dir /steamDL
   login $stUsername
   app_update $stID validate
   quit
   EOF

8. Install docker cross-platform emulator

   1. docker pull tonistiigi/binfmt
   2. docker run --privileged --rm tonistiigi/binfmt --install all

9. docker run --platform linux/amd64 -it --rm -v "steamLogin:/root/.steam:z" -v "$PWD/dl:/steamDL" steamcmd/steamcmd:latest +login $stUsername $stPw

   1. Insert Steam Guard code when prompted
   2. Wait for OK
   3. Write quit when you see Steam>

10. Initial setup is done

Repeated process

When you have finished above you can now just edit the script.txt file with your new game ID and start the download process for any game/server:

1. docker run --platform linux/amd64 -it --rm -v "steamLogin:/root/.steam:z" -v "$PWD/dl:/steamDL" -v "$PWD:/cosi" steamcmd/steamcmd:latest +runscript /cosi/script.txt

what is a gameID

the whole point of this tutorial is to emulate 64 bits right ?

No, the Problem is that SteamCMD doesn't run under the ARM architecture, which the Raspberry uses.
This Problem get resolved by this way.

what is a gameID

A Number which identifies the Game. Can be found in the Steam URL of the Game ore with the following website.
https://steamdb.info/