[ntp:questions] [ntp:hackers] ntpdate removal is coming
Harlan Stenn
stenn at ntp.org
Sun Jul 17 19:57:06 UTC 2011
Dave Hart wrote:
> After many years of deprecation while still shipping, ntpdate's days
> as a separate C program are numbered. I want to review alternatives
> and suggest next steps.
>
> First, though, a quick review of why ntpdate is deprecated and will be
> removed. ntpdate serves two primary purposes today:
>
> 1) A diagnostic tool, particularly to help troubleshoot connectivity
> problems such as those introduced by firewalls. In this role, 4.2.7's
> sntp provides equivalent capability, including the ability to send
> queries from the reserved NTP UDP port 123.
>
> 2) One-shot clock synchronization, such as before starting
> step-phobic daemons. In this role, there are a plethora of
> alternatives, which I will cover below.
Just to be clear, there *used* to be some reasons to set the clock
before starting ntpd. In general, there is no need to do this anymore
and I have not heard any good reasons it should still be needed.
If anybody knows of any *good* reasons to set the clock before starting
ntpd, please speak up.
H
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