Las Valley 702

And that's all there is to it. No need for any fancy screen capture program, just good old ffmpeg.

If this isn't working for you, then it's probably because your version of ffmpeg was not compiled with x11grab. Why anyone ever compiles ffmpeg without that support, I do not know; could be an oversight or it could be for some other reason beyond my understanding, but the way to check if your installed version of ffmpeg supports x11grab is to run:

bash$ ffmpeg -formats | grep -i x11grab
If that command returns nothing, then your ffmpeg doesn't know what x11grab is and you probably will want to either find another, more robust repository to install it from or just compile it from source code with everything turned on.
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