[lug] Network time

[Timothy C. Klein]

Nate,

One of your comments makes me wonder, how do I find a 'lower stratum' server? 
Is there a list of such servers anywhere?  I have always just used 
time.nist.gov.

Thx,

Tim

On Tuesday 05 December 2000 16:33, you wrote:
> Many of the docs on NTP make it seem much harder to set up than it
> really is for most of us, because they were written by folks who need
> ultimate precision.
>
> -----
>
> For NTP setup, on your "master" machine, just edit /etc/ntp.conf and add
> something like this (replacing the time servers with lower stratum
> servers... this is just a working example...)
>
> # Using NIST Atomic Clock and Naval Observatory
> server time-a.nist.gov
> server time-b.nist.gov
> server tick.usno.navy.mil
> server tock.usno.navy.mil
>
> # If you're going to have two "masters", which you probably don't
> # need...
> peer timeserver2.yourdomain.com
>
> # Get a logfile where you want it...
> logfile /var/log/ntpd
> driftfile /etc/ntp/driftfile
>
> That should do it for server 1.
>
> -----
>
> For your client machines...
>
> # Using timeserver1.yourdomain.com and timeserver2.yourdomain.com
> server timeserver1.yourdomain.com
> server timeserver2.yourdomain.com
> logfile /var/log/ntp
> driftfile /etc/ntp/driftfile
>
> -----
>
> That basic config will work fine.  If you want to get fancy you can use
> NTP's abilities to do a lot more in the future and it gives you room to
> grow into more knowledge of how to use it.  Stuff like multicasting time
> packets so clients don't have to establish a session to the server, and
> adding key authorization between your clients and servers and other fun
> stuff can come later... and this configuration will get you started.
>
> Hopefully that helps.  This is a totally simple config and you can do
> more later with it.  It's just to show that NTP really isn't that hard
> (and certainly not as detailed as DNS!).  ;)
>
> On Tue, Dec 05, 2000 at 02:14:44PM -0500, John Karns wrote:
> > I'm interested in a *simple* method (if there is such a class in the
> > world of *nix) to set the clock of a dial-up machine via the net.  The
> > method proposed here in a recent thread ("ntpdate time-nw.nist.gov")
> > would do fine for this part.
> >
> > Then I would like to propagate this time to various other Linux boxes on
> > a *small* net.  I don't need all the complexity of ntp, which seems to be
> > about as involved as setting up DNS (lord help us!).  I really don't care
> > if my clocks are set to the precision of a cesium clock, and it's not a
> > big deal if there is are a few seconds difference between various
> > machines.
> >
> > Is there a way of doing this without setting up an ntp server on my local
> > net?
> >
> > ----------------------------------------------------------------------
> > John Karns                                              jkarns at csd.net
> > Bogota, Colombia                                  Voice: 57-1-341-0300
> >
> >
> >
> > _______________________________________________
> > Web Page:  http://lug.boulder.co.us
> > Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug

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== Timothy Klein       || And what rough beast                   ==
== teece at hypermall.net || Its hour come round at last            ==
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