F20 Self Contained Change: Remove deprecated calls of using ntpdate in favor of ntpd

Mike mikedawg at gmail.com
Wed Jul 17 21:10:46 UTC 2013

Which gets me wondering if that is the best way to test for remote ntp

So, I'm curious now, if there is no remote NTP server listening, will the
anaconda server reject you from using that as a NTP server?


> Message: 12
> Date: Wed, 17 Jul 2013 13:48:04 -0700
> From: Adam Williamson <awilliam at redhat.com>
> To: Development discussions related to Fedora
>         <devel at lists.fedoraproject.org>
> Subject: Re: F20 Self Contained Change: Remove deprecated calls of
>         using   ntpdate in favor of ntpd
> Message-ID: <1374094084.1594.8.camel at adam>
> Content-Type: text/plain; charset="UTF-8"
> On Wed, 2013-07-17 at 13:44 -0700, Adam Williamson wrote:
> > On Wed, 2013-07-17 at 16:09 +0200, Miroslav Lichvar wrote:
> >
> > > > e. Why isn't this functionality being added to chrony, rather than
> bouncing us back to ntpd?
> > >
> > > Which functionality exactly? Both ntpd and chronyd (in default
> > > configuration) let the kernel sync the RTC.
> >
> > The ability to invoke chronyd in a way that mimics ntpdate. This thread
> > has turned up that you can invoke *ntpd* in this way: ntpd -q -g -x. But
> > no-one has yet provided an equivalent invocation for chronyd, and I
> > could not figure one out from the manpage.
> >
> > Aside from anything else, anaconda requires something like this to be
> > available in order to check whether an NTP server is valid and
> > available: a simple, one-off command which will 'return true' in some
> > obvious way if the specified server exists and responds correctly, and
> > 'return false' if it doesn't. For now it is using ntpdate; I suppose we
> > could switch it to ntpd, but it would make an awful lot more sense if
> > chronyd could do this.
> In fact, now I look at it, ntpd as it stands cannot replace ntpdate for
> anaconda's purposes, because anaconda calls ntpdate with the -q option,
> which means "query only, do not set the clock" - obviously, this is
> appropriate when we just want to test the functionality of an NTP
> server. ntpd does not have an equivalent option.
> --
> Adam Williamson
> Fedora QA Community Monkey
> IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora
> http://www.happyassassin.net
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