if [[ -c /dev/watchdog ]]; then if [[ -d /etc/systemd ]]; then mkdir /etc/systemd/system.conf.d &>/dev/null; else { echo "ERROR: No systemd"; exit; }; fi; echo -e "[Manager]\nRuntimeWatchdogSec=10\nShutdownWatchdogSec=3min" > /etc/systemd/system.conf.d/watchdog.conf; else { echo "No watchdog device present"; exit; }; fi && systemctl daemon-reload && systemctl daemon-reexec && systemctl show | grep Watchdog