Re: [PLUG] Time & date sync'ing between systems

[Chris Hedemark <chris@yonderway.com>]

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On Thursday, January 9, 2003, at 06:58 PM, eric@lucii.org wrote:

> Whoa!  I wanted to do this for months (my Linux server clock drifts) 
> but
> did not know how.  The ntp documentation was completly confusing and 
> did
> not do what I wanted.

ntp is not that complicated.

Google for "Hedemark" and "ntp" and you will find a how-to I wrote a 
few years ago.  Last time I read it I noticed I made a mistake or three 
so I need to update it but setting up ntpd is actually very easy.

Short version:

==== /etc/ntp.conf ====
driftfile /etc/ntp/drift
server ntp1.unc.edu
server ntp2.unc.edu
==== end ====

==== /etc/ntp/step-tickers ====
ntp1.unc.edu ntp2.unc.edu
==== end ====

Make sure that xntpd or ntpd is set to start up sometime after the 
network but before most of your other daemons.  At least with Red Hat 
Linux, the init script is already set up to hard synch against your 
step tickers with ntpdate and then ntpd takes over.  If you don't do 
the ntpdate first, and your clock is too far off, ntpd will silently 
quit because the delta is too far outside of its ability to smooth.

Chris Hedemark .. Hillsborough, NC .. http://yonderway.com
Homeland Security begins at home; support your Second Amendment.


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