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Old 04-27-2007, 04:52 AM   #1
xpucto
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Registered: Sep 2005
Location: Vienna, Austria
Distribution: Mint 13
Posts: 522

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ntpdate doesn´t work by booting


Hi!

I wrote a 1 line script to use ntpdate. wenn I start the script manually it works. I put it in /etc/init.d and made symbolic links in /etc/rc3.d/and /etc/rc5.d/. But it doesn´t work when I boot. I still have to run the script manually. Can´ t work ntpdate during booting?
 
Old 04-27-2007, 05:07 AM   #2
Gethyn
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Registered: Aug 2003
Location: UK
Distribution: (X)Ubuntu 10.04/10.10, Debian 5, CentOS 5
Posts: 900

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It won't work unless the network is already up.
 
Old 04-27-2007, 12:22 PM   #3
tredegar
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Registered: May 2003
Location: London, UK
Distribution: Debian "Jessie"
Posts: 6,085

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Here's my solution:
I don't want the time checking more often than once a day (I do not want to annoy those timeservers!)

I put this line in root's crontab
Code:
5 * * * * /usr/sbin/chktime
So the script chktime is called at five minutes past every hour.

This is the script, it is very simple:
Code:
#!/bin/bash
# chktime 
# No need to check the time more than once a day, no matter how often
# this script is called
# Note the date format: we do NOT want spaces in the date!
NOW=`date +%a%b%d`
LAST=`cat /etc/.lasttimecheck`
if [ "$NOW" != "$LAST" ]; then
	echo -n $NOW > /etc/.lasttimecheck
	/usr/sbin/ntpdate uk.pool.ntp.org ; echo "ntpdate set the date" >> /var/log/messages
fi
 
  


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