With the end of support for Windows 10, I had to move all my games to an Ubuntu setup. Running ETS2 using Steam and Proton is very straightforward. However, I wanted to keep the head tracking system I was using on Windows. By running AITrack in the same proton prefix as ETS2 and opentrack, we allow the three programs to communicate with each other.

1. Setting up Opentrack

While there seems to be a way to build opentrack for Linux, I prefer to stick to the Windows version through Proton. This was very easy to do using opentrack-launcher which worked out-of-the-box. All it does is start opentrack before launching the actual game.

2. Setting up AITrack

Using protontricks, it is possible to install AITrack to a Proton prefix and run it as a Windows application. The steps I followed were:

  1. Download AITrack from the official repository. Version v0.7.1-alpha worked great for me.
  2. Copy the aitrack folder into the C:\ folder of the ETS2 prefix. Note that 227300 is the SteamID of ETS2 and thus the ID of the Proton prefix. 
    cp -r $HOME/Downloads/aitrack $HOME/.steam/steam/steamapps/compatdata/227300/pfx/drive_c/
  3. Open a Windows explorer into the ETS2 prefix. 
    protontricks-launch --appid 227300 $HOME/.steam/steam/steamapps/compatdata/227300/pfx/drive_c/
  4. Navigate to the aitrack folder and run AITrack.exe

The AITrack window should pop-up. After AITrack has started, you can start ETS2 using the opentrack-launcher through Steam.

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