[ntp:questions] Re: NTP for dummies

Danny Mayer mayer at gis.net
Sat Oct 1 13:19:18 UTC 2005

Ephraim F.Moya wrote:
> On Fri, 30 Sep 2005 05:01:51 GMT, camfarnell at cogeco.ca (Cam) wrote:
>>Hello list,
>>I've been alternately reading the NTP documentation and banging my head 
>>on the desk, so please excuse any intemperance and/or incoherence.
>>I'm glad my car's manual wasn't written by the same people who wrote the 
>>NTP documentation or it would start with an exhaustive treatment of the 
>>carnot cycle and then roar off into advanced thermodynamics when all I 
>>wanted to know was how often to change the d**n oil. Pauses to bang head 
>>on desk several more times. Apparently the idea of starting with simple 
>>examples ("hello world") and working up to complex examples ("program to 
>>prove the four-color theorem") didn't occur to them; they want to prove 
>>the theorem right away.
>>But I digress. I have a computer, lets call it MASTER, which has time of 
>>day that I'm happy with. I have a bunch of other computers, all on the 
>>same subnet, and I want them to set their clocks to match MASTER. That's 
>>it. Sounds like the making of a real simple example. I believe this can 
>>be done because the NTP pages make reference to an "Undisciplined Local 
>>Clock" but as with all the documentation it assumes you are already an 
>>expert so no simple example is given. Whack whack.
>>So, finally, the question is: Does anybody have a link to a web page 
>>that gives some simple examples (eg "to sync from machine do 
>>this", "to setup a local undiciplined server do that")? If so it would 
>>be greatly appreciated.
>>Cam Farnell
>>ps I've already R'd the F'ing M or at least made a serious attempt at 
>>it. I don't want to know every arcane detail of NTP in the known 
>>universe; I want to set up a *really* simple system.
>>questions mailing list
>>questions at lists.ntp.isc.org
> I've been down the exact same road. With the same results.
> My problem is even simpler. I want my computer to periodically read a
> time standard someplace and set the pc/xp hardware clock
> appropriately. I haven't been able to find out whether ntp sets the
> local clock or replaces it. I know how to set the cmos clock manually.
> Does ntp know how?
> Maybe someday I'll have more than one machine. Not yet, though.

ntpd on Windows does set the CMOS clock, at least it's supposed to.

> http://moya.us/
> "Los pintos y los pendejos se conocen desde lejos"
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