Red Hat Summit2.2. Manually adjusting the system clock
You can manually adjust the system clock.
Procedure
To step the system clock immediately, by passing any adjustments in progress by slewing, enter:
# chronyc makestep
중요
If the rtcfile directive is used, the real-time clock should not be manually adjusted. Random adjustments would interfere with chrony's need to measure the rate at which the real-time clock drifts.
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