[ntp:questions] Let ntp server not synchronize time from other servers

Unruh unruh-spam at physics.ubc.ca
Thu Aug 28 18:07:59 UTC 2008

WANG Cong <xiyou.wangcong at gmail.com> writes:

>On Aug 28, 11:12 a.m, Martin Burnicki <martin.burni... at meinberg.de>
>> Hello WANG Cong,
>> WANG Cong wrote:
>> > Hello, experts!
>> > Is there any way to configure my NTP server *not* to synchronize time
>> > from other servers?
>> Just don't put any server lines into your ntp.conf file ;-)

>That's what I did. But it can't work, if there's no server lines, I
>_always_ got:

># /usr/sbin/ntpdate -u -b
>28 Aug 11:21:35 ntpdate[10515]: no server suitable for synchronization

Sure. That was what you asked for. It is unusual, but it is what you
wanted. What is the problem?

>( is my own NTP server.)

>And if I didn't remove the server lines, I can easily run the above
>successfully. :-)

>Any ideas?

>> If you want some upstream servers to be polled but don't want to synchronize
>> to them you can simply append the noselect keyword to the entries, e.g.
>> server pool.ntp.org noselect

>Thanks, I just need not to synchronize. :)

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