[gentoo-dev] ntpd and ntpdate

[gentoo-dev] ntpd and ntpdate

[Andy Arbon]

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Hello,

Is there a neat way to just run ntpdate at system initialisation? I
don't want to use my Gentoo machine as an ntp server, but I would like
it to synchronise its clock with another machine on my network at bootup.

Is there an easy way to do this, or should I submit it as a RFE to the
ntpd configuration and startup scripts?

Cheers,

Andy
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[gentoo-dev] ntpd and ntpdate

[Andy Arbon]

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Hello,

Is there a neat way to just run ntpdate at system initialisation? I
don't want to use my Gentoo machine as an ntp server, but I would like
it to synchronise its clock with another machine on my network at bootup.

Is there an easy way to do this, or should I submit it as a RFE to the
ntpd configuration and startup scripts?

Cheers,

Andy
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Re: [gentoo-dev] ntpd and ntpdate

[Paul de Vrieze]

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On Tuesday 18 March 2003 13:12, Andy Arbon wrote:
> Hello,
>
> Is there a neat way to just run ntpdate at system initialisation? I
> don't want to use my Gentoo machine as an ntp server, but I would like
> it to synchronise its clock with another machine on my network at bootup.
>
> Is there an easy way to do this, or should I submit it as a RFE to the
> ntpd configuration and startup scripts?
>
> Cheers,
>
> Andy

This is allready included in the ntp scripts. Just edit the configuration 
file. Btw. ntpd is not a necesarilly server. It takes care that the time 
stays correct. Check the ntpd.conf file for restricting the server 
capabilities.

Paul

-- 
Paul de Vrieze
Researcher
Mail: pauldv@cs.kun.nl
Homepage: http://www.cs.kun.nl/~pauldv

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Re: [gentoo-dev] ntpd and ntpdate

[Andy Arbon]

Paul de Vrieze wrote:
>>Is there a neat way to just run ntpdate at system initialisation? I

> This is allready included in the ntp scripts. Just edit the configuration 
> file. Btw. ntpd is not a necesarilly server. It takes care that the time 
> stays correct. Check the ntpd.conf file for restricting the server 
> capabilities.
> 
Thanks for the advice. This still isn't really what I was after. I want 
a really lightweight way of making sure that my machines are in 
reasonable sync, but I'm not really worried about it enough to want to 
have another daemon process hanging around looking after the time.

What I've done is write a 2 line bash script for /etc/init.d/ which just 
runs ntpdate once using the ntpdate configurations in /etc/conf.d/ntpd, 
which should be sufficient (Copied below for the terminally lazy ;) )

As an aside: Does anyone know what will happen the next time the package 
containing /etc/init.d/* is updated? Will it remove my script or is that 
protected?

Cheers,

Andy

#!/bin/bash
# A script to one off launch ntpdate

if [ $1 == 'start' ]; then
     source /etc/conf.d/ntpd;
     $NTPDATE_CMD $NTPDATE_OPTS;
fi



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Re: [gentoo-dev] ntpd and ntpdate

[Dylan Carlson]

On Tuesday 18 March 2003 08:14 am, Andy Arbon wrote:

>
> Thanks for the advice. This still isn't really what I was after. I want
> a really lightweight way of making sure that my machines are in
> reasonable sync, but I'm not really worried about it enough to want to
> have another daemon process hanging around looking after the time.

Try merging net-misc/rdate, and just put rdate in your root crontab.  rdate 
works fine if you don't need microsecond accuracy ...

# rdate -s <whatever timeserver you use>

Also look into using 'hwclock --systohc' as well.  The man pages have all 
the info you will need.

Cheers,
Dylan Carlson

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Re: [gentoo-dev] ntpd and ntpdate

[Markus Krainer]

Andy Arbon wrote:
>>> Is there a neat way to just run ntpdate at system initialisation? I


Just add your ntpdate command ('ntpdate -b your.time.server') to
/etc/conf.d/local.start

hth,

   Markus






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