Watchdog install script for Raspberry Pi

install_watchdog.sh

# Watchdog install script for raspberry pi
# based on http://binerry.de/post/28263824530/raspberry-pi-watchdog-timer
# first think about to update the firmaware: rpi-update
sudo bash
apt-get install watchdog chkconfig

modprobe bcm2708_wdog

echo "WantedBy=multi-user.target" >> /lib/systemd/system/watchdog.service
# http://raspberrypi.stackexchange.com/a/33901

chkconfig watchdog on
systemctl enable watchdog

echo "watchdog-device = /dev/watchdog" >> /etc/watchdog.conf
echo "watchdog-timeout = 10" >> /etc/watchdog.conf # timeout 10 seconds

echo 'watchdog_module="bcm2708_wdog"' >> /etc/default/watchdog 

# optional: if there is less than 1 page of free memory (=4k), then the watchdog will reboot the pi
echo "min-memory = 1" >> /etc/watchdog.conf 

systemctl start watchdog