NTP config help

[Mertens, Bram]

Not only that but the NTP daemon runs continuously fixing the time drift by small amounts preventing jumps.

If you synchronize using ntpdate you get sudden jumps in time which certain processes may not cope with.

Regards

Bram

>


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-----Original Message-----
> From: redhat-list-bounces at redhat.com [mailto:redhat-list-
> bounces at redhat.com] On Behalf Of ???
> Sent: vrijdag 11 februari 2011 2:53
> To: General Red Hat Linux discussion list
> Subject: Re: NTP config help
>
>
>
> I think, the NTP daemon is better, it uses a more optimal
> algorithm, save resources.
>
> Thanks.
>
> On Thu, 10 Feb 2011 23:43:04
> +0400, raj sourabh wrote:
>
> > Hi,
> >
> > Thanks for the suggestion.
> >
> >
> But I could not understand it.
> >
> > Is there a option of either using
> ntpd daemon or use of ntpdate in a cron
> > (Becoz both dont run together
> due to same port). Is that what you are trying
> > to explain?
> >
> > If so,
> then what is the standard way for linux client?? How do people
> >
> implement this on production environment.
> >
> > Please share your
> thoughts.
> >
> > Thanks,
> >
> > Raj
> >
> > On Thu, Feb 10, 2011 at 6:55 PM,
> Jonathan S Billings wrote:
> >
> >> On 02/10/2011 04:58 AM, 邓卫华 wrote:
> >>
>
> >>> Hi, please run "crontab -e " in command line in client computer.
> then you should input the following line to sync from ntp server every
> 5
> minute. 0 5 * * * /usr/sbin/ntpdate 192.168.0.1(that is ntp server's ip
> address)
> >> (I see that the issue was resolved already, I'm just
> commenting.) This isn't going to work if you're running an NTPd on the
> clients, since the ntpd has bound to the port already. It's also not
> suggested practice for NTP clients, and is probably why the `ntpdate'
> command is going away. Better to let a ntpd daemon adjust the time than
> run it out of cron. -- Jonathan Billings College of Engineering - CAEN
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