[H-GEN] Adjusting clocks

[Robert Brockway]

On Wed, 27 Jan 1999, Michael Anthon wrote:

> I have been synching my server from the CSIRO time server and am getting an
> error of -11 seconds per day.  This is causing a problem in that my daily
> cron jobs get run twice, since 4:00 am happens twice a day now !!

That is odd.  Many versions of cron will not rerun a cronjob if the time
changes by less than 1 hour to prevent exactly this.  Look for options to
cron to enable this.
 
> I am using "ntpdate ntp.syd.dms.csiro.au", ntpdate has a -B option that has
> this description...

You're not really supposed to sync off the secondary ntp servers like
this.  Use a tertiary one like from a local uni.  This will probably
improve performance too.
 
--Robert Brockway B.Sc.  Email: robert at blake.humbug.org.au
                                robert at humbug.org.au, r.brockway at uq.net.au
			 WWW:   http://www.humbug.org.au/~robert
			 Founder of HUMBUG (http://www.humbug.org.au)