RE: [SLE] xntp on SuSE Linux

19 Jan 2004

      Dear Edwin...

Mine is like this:
"
patrix@patrix:~> su
Password:
patrix:/localhome/patrixlinux # ntpdc
ntpdc> peers
     remote           local      st poll reach  delay 
 offset    disp
=======================================================================
=LOCAL(0)        127.0.0.1       10   64  377 0.00000 
0.000000 0.00140
*pot.isti.cnr.it 192.168.23.237   2   64  377 0.07716
-0.107840 0.00121
ntpdc>
"

How can I make sure whether my setting for xntp is
already correct?

TIC so much.
--- edwin  wrote:
...
I think xntp is easy to set. Just edit your
/etc/ntp.conf to a time server.
And it's done. For your server it is enough to use
Secondary (Stratum2 )
Time Server (see www.ntp.org).
On /etc/ntp.conf 
Find the lines:
##
## Outside source of synchronized time
##
## server xx.xx.xx.xx           # IP address of
server
On mine I use:
server time2.stupi.se
server ntp.cuhk.edu.hk
'xntpd start' for start
You can type ntpdc and see what happen
Mine is:
ntpdc
ntpdc>peers
remote           local      st poll reach 
delay   offset    disp
=======================================================================
...
=LOCAL(0)        127.0.0.1       10   64    7
0.00000  0.000000 1.93799
=Time2.Stupi.SE  202.158.64.165   1   64    7
1.32536  0.048018 1.93823
=envelope.itsc.c 202.158.64.165   2   64    7
0.99330  0.072696 1.93825
For the client just use your server for
synchronization.
ntp will set your system time, to synchronize your
RTC (hardware clock) with
system time you can type
hwclock --systohc
Have a nice day
Medwin.
-----Original Message-----
From: Prabu Subroto [mailto:prabusubroto@yahoo.com] 
Sent: Monday, January 19, 2004 6:20 PM
To: suse-linux-e@suse.com
Subject: Re: [SLE] xntp on SuSE Linux
Dear my friend, Gerhard...
But I could not find any menu for xntp neither on
yast nor yast2. Could you
tell me more detail to use yast2 to configure xntp
using yast2?
...
* Marek Chlopek  (Thu, Jan
15, 2004 at 
07:58:52PM +0100)
...
...
I installed the xntp from the cd, and start
...
...
...
runlevel editor tool (xntpd) and do "rcxntpd
start".
...
...
either on the server and client I did the
same.
...
...
Is it enough to make the xntp keep the clock
of
each
machine be always correct? do I have to
edit/configure
"/etc/ntp.conf"?
You need to use yast to configure ntp (initial
server, peers &c) You 
can also edit ntp.conf directly, but the yast way
is easier.
...
I don't use ntp daemon. ntpdate will be your
friend.
No it's not.
...
Cron will start every three hours (@ XX:15) time
synchronization and hardware
clock adjustment.
If you do this, ntpdate will forcefully change
your system clock to 
the right time. However X (and most notably motif)
can get quite 
confused in this case.
Im not sure of the exact casue, but I think it's
realted to the 
following:\ X is event driven, each event has a
timestamp associated 
with it.
If ntpdate changes the systemclock back, it might
be that events that 
came later have an earlier timestamp, consfusing
TIC so much.
--- Gerhard den Hollander 
wrote:
the service on 
the Xserver.
...
In my case, this showed up as Motif pulldown menus
...
responding (but keeping the mouse cursor locked)
untill you used the 
cursor keys/enter key to leave the menu.
And X is only the most visible effect. many other
apps don;t like it 
if the time changes more than a few seconds.
xntpd handles this scenario gracefully by drifting
...
it down or speeding it up) until it gets in sync
with the real time 
clock
In other words.
xntpd is your friend
ntpdate is your foe
read /usr/share/doc/packages/xntp-doc for full
no longer 
the clokc (slowing 
details
...
Currently listening to: 12 - save me
Gerhard,     == The Acoustic
Motorbiker == 	
-- 
   __O  For prosimian fun, you can bugger a lemur
=`\<,  To bolster
...
your name as a pervert and schemer
(=)/(=) The lemurs cry "Frink!" as a coy mating
call
        But the hedgepod can never be buggered at
all.
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