ntpd configuration file changes

N.J. Thomas njt at ayvali.org
Wed Dec 12 22:24:06 PST 2007

* jekillen <jekillen at prodigy.net> [2007-12-12 20:42:47-0800]:
> Q: When making changes to ntp.conf it is necessary to restart the
> server?

According to the ntpd docs, yes. The ntpd configuration docs say this:

    Ordinarily, ntpd reads the ntp.conf configuration file at startup
    time in order to determine the synchronization sources and operating

> Q: How is that done?

On FreeBSD, it is typically done via "/etc/rc.d/ntpd restart".

> (I suspect ntpd reload or restart per rc script.. along the lines of
> apachectl restart or postfix reload??? Kill -HUP pid ??? ) I am
> looking at FreeBSD handbook and ntp documentation and have not found
> the answers.

See the "Using rc under FreeBSD" section of the Handbook:


It is based on Luke Mewburn's excellent NetBSD rc.d system. See the
document, "The Design and Implementation of the NetBSD rc.d system"
(PDF) here, it is an excellent read:



N.J. Thomas
njt at ayvali.org
Etiamsi occiderit me, in ipso sperabo

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