NTPD and SecureLevel

Harlan Stenn Harlan.Stenn at pfcs.com
Thu Jun 17 00:04:06 GMT 2004


> ntpd(8) doesn't actually change the time by making it 'jump' to the 
> correct time; it slows down or speeds up the rate at which the timer 
> runs at.

Sometimes ntpd will step (jump) the time.

H
--
> So if your system time is ahead of the 'real' time, ntpd will slow down 
> the rate at which time passes ('one second' on the system clock will 
> actually take longer than a 'real' second to pass). Similarly if your 
> system time is behind the 'real' time ntpd will adjust the rate so that 
> timer will run faster than 'real' time.
> 
> This way there are no 'jumps' in time: it is continuous.
> 
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