Date: Mon, 31 Mar 2003 08:06:31 -0800 (PST) From: Tom Samplonius <tom@sdf.com> To: Bill Vermillion <bv@wjv.com> Cc: freebsd-isp@freebsd.org Subject: Re: ntp / ntpdate Message-ID: <Pine.BSF.4.05.10303310801260.3487-100000@misery.sdf.com> In-Reply-To: <20030331172207.GA21589@wjv.com>
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On Mon, 31 Mar 2003, Bill Vermillion wrote: > Ashes to ashes, and DOS to DOS Arie J. Gerszt was heard to say > on or about Mon, Mar 31, 2003 at 19:06 : > > > Hi List > > > How do you update your servers with ntp? I have seen ntpd, > > ntpdate, xntpd and are a bit confused. Aside that, ntpdate > > never seems to work ( get the offset, but the time stays the > > same, securelevel -2, done as root). > > Read man 8 init . You will see that if secure level is set above > 1 that time changes are restricted to less than one second. > > You just may need to run your ntp programs more often to ensure you > stay within that time window. Or just use ntpd, which will do this continuously. ntpdate is deprecated so don't use that. xntpd and ntpd are basically the same thing. > I run my hourly and normally get only about .2 or .3 second offset. > iNTEL based HW clocks are not known for long time stability. Isn't it a software clock though? gettimeofday() is described as using a "virtual" clock. > Bill > -- > Bill Vermillion - bv @ wjv . com > _______________________________________________ > freebsd-isp@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-isp > To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org" > > Tom
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