Enable Hardware Acelleration (GPU) on Intel compute stick:
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sudo apt install i965-va-driver  libva-drm2 libva-x11-2 intel-gpu-tools  vainfo

Then reboot.

You can check if functioning with:
vainfo

And see GPU Usage with:
sudo intel_gpu_top


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Sources:
https://www.linuxuprising.com/2021/01/how-to-enable-hardware-accelerated.html
https://ubuntuhandbook.org/index.php/2021/08/enable-hardware-video-acceleration-va-api-for-firefox-in-ubuntu-20-04-18-04-higher/

Date: September 15th, 2021.