Grafisk
        https://wiki.bitraf.no/wiki/Grafisk

        https://www.fontsquirrel.com/fonts/advent-pro
        #F04A00

Ikke X
        sudo systemctl isolate multi-user
        sudo adduser opplysning video

LAN
        eth0
        b8:27:eb:11:60:a4
        10.13.37.133/24
        infoskjerm.local

libical
        https://codedocs.xyz/libical/libical/md_docs_UsingLibical.html

Meetup
        https://www.meetup.com/bitraf/events/calendar/
        curl -o events.ical https://www.meetup.com/bitraf/events/ical/
        curl -o events.rss https://www.meetup.com/bitraf/events/rss/

Google
	https://calendar.google.com/calendar/ical/u3054u2f4kpkl7edub90faijvo@group.calendar.google.com/public/basic.ics

	select start, end, (end-start)/60/60, summary from event where unixepoch()-6*3600 < start order by start;
	select datetime(start, 'unixepoch'), datetime(end, 'unixepoch'), (end-start)/60/60, summary from event where unixepoch()-6*3600 < start order by start;

Raylib
        https://github.com/raysan5/raylib/wiki/Working-on-Raspberry-Pi

        sudo apt-get install libdrm-dev libegl1-mesa-dev libgles2-mesa-dev libgbm-dev
        sudo apt install git
        git clone https://github.com/raysan5/raylib/
        git checkout 5.5
        sudo apt-get install libraspberrypi-dev raspberrypi-kernel-headers
        sudo apt install cmake libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev
        cmake -DPLATFORM=DRM ..
        time make -j4
                real    1m57.781s
                user    4m8.050s
                sys     0m52.026s
        sudo make install