Chrony - NTP

chronyd Daemon for Clock Synchronization

chronyc Command-line client used to monitor and control chronyd

/etc/chrony.conf

# dnf install chrony -y

# systemctl enable --now chronyd

# systemctl status chronyd

# vi /etc/chrony.conf

server time.google.com iburst # iburst Speeds up initial synchronization

Check synchronization

# chronyc tracking

View connected NTP servers

# chronyc sources -v

# timedatectl set-ntp true

# systemctl restart chronyd

Force synchronization

# chronyc makestep

# ntpdate -q time.google.com # queries an NTP server for its time without changing the system clock.

# ntpdate -s time.google.com # synchronizes the system clock with an NTP server and logs the output using syslog instead of printing it to the terminal

# chronyd -q 'server time.google.com iburst'

journalctl -u chronyd