systemctl status oled_head
cat /home/pi/codis/oled-head-service/oled_head.service
/home/pi/codis/oled-screen/venv/bin/python /home/pi/codis/luma.examples/examples/sys_info_extended.py

sudo cat /etc/crontab
* * * * * root /home/pi/codis/reconnexioWifi.sh

VPN
ip address show dev wg0
sudo wg show wg0
Configuració: https://www.things.cat/index.php/WireGuard_VPN