# Load config files matching the /etc/chrony/conf.d/*.conf pattern. confdir /etc/chrony/conf.d # Use public NTP servers from the pool.ntp.org project. # Please consider joining the pool project if possible by running your own # server(s). # If you are a vendor distributing a product using chrony, you *MUST* # read and comply with http://www.pool.ntp.org/vendors.html pool 0.openembedded.pool.ntp.org iburst # Use a local timeserver in preference to the pool, if it's reachable. #server 192.168.22.22 iburst minpoll 2 prefer # Sync to pulse-per-second from an onboard GPS. #refclock PPS /dev/pps0 poll 0 prefer # You'll want to enable CONFIG_PPS and CONFIG_PPS_CLIENT_GPIO in your kernel, # and an entry something like this in your device tree: # pps { # compatible = "pps-gpio"; # gpios = <&ps7_gpio_0 56 0>; # }; # Load source files matching the /etc/chrony/sources.d/*.sources pattern. # These can be reloaded using 'chronyc reload sources'. sourcedir /etc/chrony/sources.d # In first three updates step the system clock instead of slew # if the adjustment is larger than 1 second. makestep 1.0 3 # Record the rate at which the system clock gains/loses time, # improving accuracy after reboot driftfile /var/lib/chrony/drift # Enable kernel synchronization of the hardware real-time clock (RTC). rtcsync # Allow NTP client access from local network. #allow 192.168/16 # Serve time even if not synchronized to any NTP server. #local stratum 10 # Specify file containing keys for NTP authentication. #keyfile /etc/chrony.keys # Specify directory for log files. logdir /var/log/chrony # Select which information is logged. #log measurements statistics tracking