3/11/2024 0 Comments Port 123 ntp zyxel(By “control access” is meant that chronyc can be run on those hosts and successfully connect to chronyd on this computer.) The syntax is identical. This is similar to the allow directive (see section allow), except that it allows control access (rather than NTP client access) to a particular subnet or host. ntpd can be configured to never step the time too, but it has to use a different means of adjusting the clock, which has some disadvantages.Ĭhronyd can adjust the rate of the clock on a Linux system in a larger range, which allows it to operate even on machines with a broken or unstable clock. In the default configuration, chronyd never steps the time after the clock has been synchronized at system start, in order not to upset other running programs. Kernel, Module and Driver ConfigurationĬhronyd can work well when external time references are only intermittently accessible, whereas ntpd needs regular polling of time reference to work well.Ĭhronyd can perform well even when the network is congested for longer periods of time.Ĭhronyd can usually synchronize the clock faster and with better time accuracy.Ĭhronyd quickly adapts to sudden changes in the rate of the clock, for example, due to changes in the temperature of the crystal oscillator, whereas ntpd may need a long time to settle down again.System Locale and Keyboard Configuration.
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