On Mon, Jul 18, 2011 at 6:31 PM, Theo de Raadt <dera...@cvs.openbsd.org>
wrote:
> There is ntp everywhere.  Use:
>
> server myownmachine.mynetwork.xx
> servers pool.ntp.org

I often plug this laptop in to unknown stuff (or mirror/span ports or
ethernet taps) and run tcpdump so I don't want to run any daemons that
generate traffic.  It's a little netbook and I use it for network
troubleshooting only - it isn't a normal laptop setup.  My main laptop
does run ntpd all the time though.

I guess I will just use ntpd from now on and manually stop it if
needed.  Of course, with ntpd_flags="-s" in my rc.conf.local I won't
be able to start it again without jumping the clock.

What do you think of making -s the default in /etc/rc.d/ntpd so it
always syncs during boot but not any subsequent manual
starts/restarts?  Then one would just use ntpd_flags="" in
rc.conf.local (or "-S" to disable the auto sync if desired).  If ntpd
crashed on a server the only way to safely start it again would be to
reboot (or run ntpd directly but that negates the whole point of
rc.d).

>> Running ntpd isn't
>> useful then and I would have to kill it after it set the time.  I
>> could run rdate manually after boot but the clock jumps.
>
> That is why you should not run rdate.

ntpd -s does exactly the same thing.  Clock jumps are fine during boot.

> The diff you supplied is exactly what I deleted previously.  No.

Since rdate_flags was left in rc.conf, I thought the removal may have
been an oversight.

Daniel

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