Help with date and redhat 9

[Sina Bahram]

Wel I got rdate to work, but now I can't get crontab to work. And I am
on a cable connection and I keep the redhat box up continuously. I boot
it occasionally on a weekly or byweekly basis, but otherwise I just keep
it up and running, so that should be ok. I would probably schedule the
chron for daily and also at startup and shutdown, but I have no clue how
to do that.

Thanks,
Sina

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-----Original Message-----
From: speakup-admin at braille.uwo.ca [mailto:speakup-admin at braille.uwo.ca]
On Behalf Of Chuck Hallenbeck
Sent: Sunday, October 26, 2003 7:04 PM
To: speakup at braille.uwo.ca
Subject: RE: Help with date and redhat 9



Sima,

I don't believe netdate is slackware specific, but I have no experience
with other distros, so I cannot say how common it is.

If you are using a dialup connection you might want to be careful about
putting your network time command in a crontab, since it would try to
execute whether or not you are connected when its scheduled time came
around. That is why I put mine in the ip-up script instead of crontab.
That script only executes when a ppp connection is established. I am not
sure it is all that necessary to get the correct time every hour either,
unless you are supervising a space launch or something <smile>. The
thing is, the kernel time mechanism is much more accurate than the
battery operated hardware clock, and ought not to drift much at all over
the period of a day. Perhaps it would matter more if your system is up
continuously for long periods. I boot up each morning and bring my
system down at night, which is when my hardware clock gets set from the
time the kernel is keeping.

Chuck


On Sun, 26 Oct 2003, Sina Bahram wrote:

> Thanks for your response.
>
> The only one of those I have is rdate. I'm going to go see if I can 
> figure out how to pass a server or multiple servers to it. and then 
> figure out how to add it to the chron like Alex was talking about.
>
> Take care,
> Sina

-- 
The Moon is Waxing Crescent (3% of Full)
 Get my public key from website, http://www.mhonline.net/~chuckh


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