Define the date on linux with sync:
- Add pool server
sudo nano /etc/ntp.conf
And write:
server ntp.ubuntu.com prefer
server ntp2.jussieu.fr
server 0.fr.pool.ntp.org
server 0.europe.pool.ntp.org
- Enable sync
sudo timedatectl set-ntp true
sudo systemctl enable ntp
sudo systemctl restart ntp
See: