Hello guys, I only recently switched over from Windows to Debian 10, so I'm inclined to believe that the solution to my problem may be obvious. In that case, this may prevent other noobs from asking in the future. I've spent the last two days on finding a solution for using dedicated graphics in Unity. Bumblebee and Primus work well for other programs already. And one of the older threads from before Unity-Hub times showed a solution by simply running optirun on the Unity executable. This seems to work differently since Unity-Hub. I run the hub from the Appimage and everything works perfectly with intel graphics. Yet, when I attempt to optirun that same file the terminal tells me: Gtk-Message: 20:11:17.582: Failed to load module "canberra-gtk-module". I naturally also asked myself, whether running unity-hub through optirun would even be sensible, since it is only the launcher of the actual editor, which wouldn't be run on dedicated graphics. Is that reasoning wrong? Lastly, I attempted to avoid hub and run the Unity file directly from ~/Programs/Unity3D/2019.2.0f1/Editor/Unity. This did not work for me and returned: error while loading shared libraries: libgconf-2.so.4: cannot open shared object file: No such file or directory. As you can see, I have no idea how to launch Unity via optirun. Please save me.