On 11 Apr, 16:39, Tom Smith <[EMAIL PROTECTED]> wrote: > "ntpdate -b" steps the time after doing a quick look at set of > candidates you have specified on the command line. It is what > is normally recommended for a boot sequence prior to starting ntpd. > > "ntpdate -B" slews the time, but is otherwise the same. Not > usually recommended for a boot sequence because the initial > time setting isn't complete when it exits. > > "ntpd -gq" uses all the convergence rules of the normal > ntpd against a list of servers specified in a separate > configuration file. After selecting a peer, it will either > step OR slew the time, depending on the magnitude of > the offset, and the time adjustment may or may not be > complete when it exits. It is not equivalent to either > "ntpdate -b" or "ntpdate -B". > > ntpdate takes a few milliseconds to run (dependent on > network delays and timeouts) and sets the clock typically > within a few milliseconds of "correct" with respect to > the servers you have chosen to use. "ntpd -gq" takes a minimum > of a few seconds to reach convergence and produces about the > same practical level of accuracy. In steady state, ntpd, > of course, is much more accurate and less disruptive than > repeated use of ntpdate. > > -Tom > > [EMAIL PROTECTED] wrote: > > I know ntpdate is deprecated but I'm interesting to know if they work > > in the same way, is ntpdate behavior different in comparison to ntpd ? > > > ----Messaggio originale---- > > Da: [EMAIL PROTECTED] > > Data: 11/04/2007 1.43 > > A: <[EMAIL PROTECTED]> > > Ogg: Re: [ntp:questions] ntpd -gq VS ntpdate -B > > >>>> In article <[EMAIL PROTECTED]>, > > "RICCARDO" <[EMAIL PROTECTED]> writes: > > > RICCARDO> If I use ntpd -gq in my client I should adjust time to > > little > > RICCARDO> steps using adjtime system call, but what's difference with > > RICCARDO> "ntpdate -B" ? > > > ntpdate is being deprecated. > > > ntpd -gq will set the time and exit. If the difference is less than > > 128ms > > the time will be slewed, if the difference is more the clock will be > > stepped. > > > H > > > _______________________________________________ > > questions mailing list > > [EMAIL PROTECTED] > >https://lists.ntp.isc.org/mailman/listinfo/questions > > > Naviga e telefona senza limiti con Tiscali > > Scopri le promozioni Tiscali adsl: navighi e telefoni senza canone Telecom > > >http://abbonati.tiscali.it/adsl/ > > > _______________________________________________ > > questions mailing list > > [EMAIL PROTECTED] > >https://lists.ntp.isc.org/mailman/listinfo/questions
I want to use ntpd -qg, it could be right this ntp.conf for my Linux client ? restrict default ignore restrict 127.0.0.1 restrict server A restrict server B server A server B driftfile /var/lib/ntp/drift broadcastdelay 0.008 what means "the initial time setting isn't complete when it exits" ? _______________________________________________ questions mailing list [EMAIL PROTECTED] https://lists.ntp.isc.org/mailman/listinfo/questions
