My Livebox (Orange home gateway) has to be hard reboot several times a week to do its job. This script provides an "cronable" way to do this from command line.
As root :
cp livebox-reboot /usr/local/bin/
chmod +x /usr/local/bin/livebox-reboot
cp systemd/* /usr/lib/systemd/system/
Edit /usr/local/bin/livebox-reboot to set your livebox ip and credentials
Enable systemd timer :
systemctl daemon-reload
systemctl start livebox-reboot.timer
systemctl enable livebox-reboot.timer
systemctl list-timers
Systemd task will reboot your livebox every day at 5:30 AM.