[ale] NTP...

Christopher Fowler cfowler at outpostsentinel.com
Mon Apr 24 16:13:52 EDT 2006


Has anyone on here configured their NTP server to serve time to other
devices.  I've just loaded FC4 with NTP and I want it to sync its time
to pool.ntp.org and I want all my other computers to syn their time with
the server.

Any hints?

On Mon, 2006-04-24 at 15:32 -0400, Michael B. Trausch wrote:
> On Mon April 24 2006 11:13, Joe Steele wrote:
> >
> > Your invocation of ntpq has told you nothing about the status of *your*
> > computer.  Instead, you have asked ntpq to query 4 other servers and
> > report on their status/peers.  Since they are all stratum 1 servers,
> > they have no peers, their clocks are all sync'd to "LOCAL", and they
> > have no delay, offset, or jitter.  Nonetheless, the one useful thing
> > it's telling you is that you are able to talk with these remote servers,
> > at least when the source UDP port is an unprivileged  port (which is
> > what ntpq uses).  Therefore, someone else's suggestion that you try the
> > "-u" option with ntpdate is a good idea.  You might also try using
> > ethereal to confirm that bidirectional communication is occurring.
> >
> > FYI, the status of your computer would be obtained with "ntpq -c pee"
> > (the default host is then localhost).  However, this assumes that ntpd
> > is already running on localhost (otherwise, ntpq will complain about
> > "connection refused").
> >
> 
> Okay, well, here's something interesting:
> 
> root at cinnamon:~# ntpdate -u pool.ntp.org
> 24 Apr 15:08:45 ntpdate[9163]: step time server 64.136.200.96 
> offset -5.162111 sec
> root at cinnamon:~# ntpdate -u pool.ntp.org
> 24 Apr 15:08:54 ntpdate[9164]: adjust time server 64.136.200.96 
> offset -0.000806 sec
> root at cinnamon:~# ntpdate -u pool.ntp.org
> 24 Apr 15:08:58 ntpdate[9165]: adjust time server 64.136.200.96 
> offset -0.000766 sec
> 
> So, that seems to work.  Now, however, I have to wonder how to get the rest 
> of it working.
> 
> It *looks like* (yet again, I'm kind of stabbing in the dark) I cannot get 
> things going.  Somebody else (Bj?rn Gustafsson) suggested something about 
> authentication keys?
> 
> Might that be why I'm getting the following?
> 
> ntpq> lassociations
> 
> ind assID status  conf reach auth condition  last_event cnt
> ===========================================================
>   1 11372  8000   yes   yes  none    reject
>   2 11373  8000   yes   yes  none    reject
>   3 11374  8000   yes   yes  none    reject
>   4 11375  8000   yes   yes  none    reject
>   5 11376  8000   yes   yes  none    reject
>   6 11377  8000   yes   yes  none    reject
>   7 11378  8000   yes   yes  none    reject
> ntpq> lopeers
>      remote           local      st t when poll reach   delay   offset    
> disp
> ==============================================================================
>  ntp3.usv.ro     192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
>  Time20.Stupi.SE 192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
>  c-24-91-98-32.h 192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
>  dsl081-199-165. 192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
>  cuba.esysmail.c 192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
>  zoiedog.com     192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
>  d57-69-157.home 192.168.0.100   16 u    -   64    0    0.000    0.000 
> 4000.00
> ntpq>
> 
> 	- Mike
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