Raspbian kiosk script so I don't have to write it from scratch for the n+1th time.

autostart

# .config/lxsession/LXDE-pi/autostart
@lxpanel --profile LXDE-pi
@pcmanfm --desktop --profile LXDE-pi
@/home/pi/bin/kiosk.sh

kiosk-reload

#!/bin/bash

pkill chromium

kiosk-runner

#!/bin/bash
# -> .config/lxsession/LXDE-pi/autostart -> @/home/pi/bin/kiosk-runner
set -o monitor
printf kiosk-runner > /proc/$$/comm

export DISPLAY=:0

url="https://idefix.localnet.name/dashboard/"

function cleanup(){
        echo "Killing child processes"
        pkill --parent $$
        echo "Exiting"
        exit
}
trap cleanup INT QUIT TERM

xset s off
xset -dpms
xset s noblank

while true
do
        # https://superuser.com/a/1206120/60094
        sed -i 's/"exited_cleanly":false/"exited_cleanly":true/' ~/.config/chromium/'Local State'
        sed -i 's/"exited_cleanly":false/"exited_cleanly":true/; s/"exit_type":"[^"]\+"/"exit_type":"Normal"/' ~/.config/chromium/Default/Preferences
        chromium-browser --incognito \
                --process-per-site \
                --check-for-update-interval=604800 \
                --start-fullscreen "${url}" &
        wait
done

kiosk-supervisor

#!/bin/bash
# Cron: * * * * * /home/pi/bin/kiosk-supervisor >/dev/null 2>&1

# Stop the kiosk when connected TV can't be pinged

tv='tv-office.localnet.name'
me="$(basename $0)"
printf "${me}" > /proc/$$/comm

if [[ ! -e /tmp/tv-up && ! -e /tmp/tv-down ]]
then
        touch /tmp/tv-down
fi

function cleanup(){
        echo "Killing child processes"
        pkill --parent $$
        echo "Exiting"
        exit
}
trap cleanup INT QUIT TERM

if ping -c 5 "${tv}"
then
        touch /tmp/tv-up
        rm -f /tmp/tv-down
        logger -t "${me}" -p user.info 'TV up.'
        if ! pkill -0 kiosk-runner
        then
                logger -t "${me}" -p user.info 'Starting kiosk.'
                /home/pi/bin/kiosk-runner &
                disown -a
        fi
else
        touch /tmp/tv-down
        rm -f /tmp/tv-up
        logger -t "${me}" -p user.info 'TV down.'
        if pkill -0 kiosk-runner
        then
                logger -t "${me}" -p user.info 'Stopping kiosk.'
                pkill kiosk-runner
        fi
fi