I am trying to get WebEx to work on Ubuntu 18.04. I have followed these steps, and now I can kick off WebEx and see participants. I can even see a shared screen, but I cannot share my own screen (or app).
Any idea what is missing?
Edit: As of the last 2-3 weeks I have WebEx working under Wayland. I'll be honest, I didn't do anything special, but I assume that the upgrade of certain drivers in Ubuntu made the difference. Screen sharing works partially: In WebEx you have the option to share your entire screen, or to share an app. Sharing the entire screen shows a black screen for all other participants, but sharing an app shows the actual app-window nicely displayed for the participants. I have now run several WebEx sessions from my Ubuntu 18.04 successfully (under Wayland).