[ntp:questions] Clock time synchronization of four computers

unruh unruh at invalid.ca
Mon Jul 9 04:27:11 UTC 2012


On 2012-07-09, Chris Albertson <albertson.chris at gmail.com> wrote:
> On Sun, Jul 8, 2012 at 12:24 PM, Nazmul Islam <nazmul.islam at gmail.com>wrote:
>
>>
>> server nist1-ny.ustiming.org
>> server nist1-nj.ustiming.org
>> server ntp.ubuntu.com
>>
>>
>> > However, each computer is still off. It's hard to find the exact time
>> > difference from eye-balling but I can see a clock time difference of
>> > roughly 1-2 second.
>> >
>> > What should I do to synchronize these computers?
>>
>>
> Some questions...
>
> 1) What OS are you running.  Is this Mac OS X?, Linux?  Windows?
>
> 2) How long did you wait?  I might take a few hours
>
> Better then using the above server lines try these:
>
> Server 0.us.pool.ntp.org
> Server 1.us.pool.ntp.org
> Server 2.us.pool.ntp.org

I suspect that is what he had but did not like the fact that each
computer had a different source. What is not to like I do not know since
those pool servers are almost certainly accurate to within better than a
ms to UTC.

>
> This way you get a server assigned from the pool.
> Chris Albertson
> Redondo Beach, California



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