Setup chrony
The following commands install chrony and modify the basic chrony.conf file to remove usage of the default pool and any configured servers, and replace this with the 3 (very reliable) time servers from the German PTB.
# Install chrony apt-get install chrony # Replace all existing servers sed -i -e "s/^server /# server /" /etc/chrony/chrony.conf # Replace pool setting sed -i -e "s/^pool /# pool /" /etc/chrony/chrony.conf # Add PTB Servers cat << EOFF >> /etc/chrony/chrony.conf # Servers to use server ptbtime1.ptb.de iburst server ptbtime2.ptb.de iburst server ptbtime3.ptb.de iburst EOFF # Enable Chrony systemctl enable chrony # Stop (just in case it was started), then start and get status systemctl stop chrony systemctl start chrony
Check chrony
systemctl status chrony chronyc sources