rdate or xntp

[JParker at coinstar.com]

G'Day !

I used to do administration on a e-commerce web server.  We used plain old 
vanilla NTP, to keep all the servers date/time correct.  If I remeber 
correctly my main sever was stratum 3.

Any way the secret is in your /etc/ntp.conf file.  This is very well 
documented on the ntp web site and man pages ( 
http://www.eecis.udel.edu/~mills/ntp/ ).  I recommend that if you have a 
permanent connection to the internet use at least 3 ntp servers in your 
config file.  If you are not connected constantly, there are programs 
(ntpupdate ?) to get a quick timecheck to update your clocks.  My current 
set-up uses a driver pointed to my local servers hardware clock, not 
accurate, but all my nodes have a consistent time.

All your nodes should point to your ntp server and not the internet.   A 
quick serch on the web will show you where to find clients for NT, if 
necessary.

Let me know if you have any specifc questions. 

cheers,
Jim Parker

Sailboat racing is not a matter of life and death ....  It is far more 
important than that !!!




Joey Raheb <joeyraheb at usa.net>
Sent by: beowulf-admin at beowulf.org
05/11/01 08:21 AM

 
        To:     beowulf at beowulf.org
        cc: 
        Subject:        rdate or xntp

Hello everyone,

I was wondering about date updating on a cluster.  Does anybody do it and 
how?
I tried rdate and this did not work for some reason, it said that I could 
not
connect to the host???  Also, I tried ntpdate and when for example I type:
ntpdate ns1.uwo.ca, it outputs the difference between the clock, but it 
does
not update my clock???  If anyone can explain to me how to use one of 
these
programs I would appreciate the help.

Thanks,
Joey

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