tldr/pages/linux/ntpdate.md

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ntpdate

Synchronize and set the date and time via NTP. More information: http://support.ntp.org/documentation.

  • Synchronize and set date and time:

sudo ntpdate {{host}}

  • Query the host without setting the time:

ntpdate -q {{host}}

  • Use an unprivileged port in case a firewall is blocking privileged ports:

sudo ntpdate -u {{host}}

  • Force time to be stepped using settimeofday instead of slewed:

sudo ntpdate -b {{host}}