sudo systemctl disable hciuart.service
sudo systemctl disable apt-daily-upgrade.timer
sudo systemctl disable apt-daily.timer
sudo systemctl disable rpi-display-backlight.service
sudo systemctl disable rsync.service
sudo systemctl disable alsa-restore.service
sudo systemctl disable alsa-state.service
sudo systemctl disable alsa-utils.service
sudo systemctl disable systemd-rfkill.service
sudo systemctl disable man-db.timer
sudo systemctl disable triggerhappy.service
sudo systemctl disable triggerhappy.socket

webcam

désactivation exposition auto :

sudo apt-get install v4l-utils
v4l2-ctl --set-ctrl exposure_auto=1
v4l2-ctl --set-ctrl exposure_absolute=0

dans le /etc/rc.local

(sleep 30; /home/pi/heatup.sh; /home/pi/push_button_control_job.py; v4l2-ctl --set-ctrl exposure_auto=1; v4l2-ctl --set-ctrl exposure_absolute=0) &

avant : après :