[TriLUG] Time Servers [Was: dapper clock problem]

[Reid Sayre]

For my systems at home I use the U.S. NIST (National Institute of 
Standards and Technology) servers in Gaithersburg, MD, or Boulder, CO 
(where WWV is).

For general information about time you can go to http://www.time.gov and 
explore. More directly, you can go to http://tf.nist.gov/service/its.htm 
to set up Windoze and Macs. One of the links on that page points to a 
list of servers. I use the first five. I use the same servers for my 
Linux boxes. Ping time over local wireless, Linksys router, Bellsouth 
DSL from Raleigh to Boulder is consistently 73 ms. (Can't get to 
Gaithersburg at the moment.)

Reid Sayre

Eric H Christensen wrote:
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> Opps...  I misread the problem.  :(
>
> I have found that I get a more accurate time by using the
> us.pool.ntp.org as there is usually less of a network delay.
>
> Glad you found the solution to the immediate problem.  Not sure about a
> better way to do time unless you want to check your clock against WWV
> once a day.
>
> Eric
>
> Eric H Christensen wrote:
>   
>> You COULD restart your ntpd and hope that it grabs a new server.  BTW,
>> if you edit the config file to the following:
>>
>> server 0.us.pool.ntp.org
>> server 1.us.pool.ntp.org
>> server 2.us.pool.ntp.org
>>
>> and that way you will select three US servers that you may have better
>> results from.
>>
>> Eric
>>
>>
>>
>> Jason Tower wrote:
>>     
>>>> got a dapper machine with the time too fast by 55 sec:
>>>>
>>>>   root at murphy:~# ntpdate -b pool.ntp.org
>>>>   27 Jul 16:18:46 ntpdate[12420]: step time server 193.120.142.71 offset
>>>> \ -55.118258 sec
>>>>
>>>> unfortunately that command is not fixing the time as it should, running
>>>> 'date' still reports a time 55sec in the future.  i tried ntpd but
>>>> doesn't work either:
>>>>
>>>>   Jul 27 15:55:16 murphy ntpd[11630]: time reset -55.023169 s
>>>>
>>>> yet the clock is still off following the reset.  note that this 55s is a
>>>> slow drift, it's only gaining a few seconds per day, but of course it
>>>> adds up.
>>>>
>>>> wtf do i have to do to get the system clock set to the correct time?
>>>>
>>>> jason
>>>>         
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-- 
Reid Sayre
rlsayre at bellsouth.net

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