Time synchronising
James Griffin
agriffin at cpcug.org
Mon Sep 2 13:44:30 UTC 2002
Veeraraju_Mareddi wrote:
>
> Dear All,
>
> How do i synchronise time on all dns servers and sendmail mail servers.
>
> If time sync is not there , DNS transfers is not happeneing.
>
> Please tell me what is the mechanism you are using for this.
If you want/need serious accurate time synchronization see:
http://www.eecis.udel.edu/~ntp/ntpfaq/NTP-a-faq.htm
Explore the http://www.eecis.udel.edu/~ntp site for more informaion.
There is a news group, comp.protocols.time.ntp, as well.
With NTP you can "synchronize" a closed set of machines set to some
common time or to UTC. It is possible to get submilisecond accuracy,
but I tend to see +- 5ms depending upon network traffic load.
NTP has many rather complex options, so expect a fair amount of reading
and study. Have fun with it.
There are "light weight" schemes for timekeeping, but I have little
experience with them.
Hope this helps.
Jim
>
> Thank you very much.
>
> With regards
> Rajuveera
[snip]
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