https://wiki.archlinux.org/title/LightDM
https://www.freedesktop.org/software/systemd/man/latest/systemd.service.html
https://wiki.archlinux.org/title/systemd
https://wiki.videolan.org/VLC_command-line_help/
https://wiki.videolan.org/Image/
https://wiki.videolan.org/VLC_Features_Formats/
https://www.chromium.org/developers/how-tos/run-chromium-with-flags/ https://peter.sh/experiments/chromium-command-line-switches/