On Fri, 12 Jun 2020 04:41:17 -0700
Rick Moen via Dng <dng@lists.dyne.org> wrote:

> > Yes and no:
> > 
> > -n  Use SNTP (old RFC 2030, currently RFC 5905) instead of  the  RFC
> >     868 time protocol.
> > 
> > # rdate -n ntp.xs4all.nl
> > Fri Jun 12 12:07:04 CEST 2020
> 
> Point taken.  SNTP _is_ worthy of respect -- but I'd personally rather
> have and use full NTP tools, and, given that the later are around and
> standard, I don't also need one that does just SNTP (or that plus RFC
> 868 Time Protocol).

I run openntpd and on boards without RTC I made
a /etc/init.d/setboottime using rdate that is started right after the
network comes up. After that openntpd and all other scripts find a
clock that is not at 1-1-1970 01:00. I know openntpd has an option to
set the clock before it starts but at that time I had some problems
with it so I stayed with rdate.

I used to use ntp and ntpdate -B, but as I switched to openntpd I
resolved the non-RTC issue with rdate. Remember that is just the clock
of a small board, not a stratum 1 server ;-)

R.

-- 
richard lucassen
https://contact.xaq.nl/
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