[ntp:questions] Does ntpq have an equivalent to ntpdc's "fudge" command?

Jan Ceuleers jan.ceuleers at computer.org
Wed Feb 11 07:36:22 UTC 2015


On 11/02/15 07:57, catherine.wei1989 at gmail.com wrote:
> Hi, I also have a similar problem. In the newest ntp version 4.2.8p1, the ntpdc is deprecated, what can I do if I still want to use it? Since in our system, many ntpdc commands have been used. Can I resolve it by adding some configuration? Thank you.

The replacement is to use ntpq. Within ntpq you can issue :config
commands. Pretty much anything that you can specify in the ntp.conf file
can be specified this way.

So for example: the experiment I did yesterday (discussed in another
thread) was to use ntpq to force re-reading the leapseconds file. This
was done by issuing the following within ntpq:

:config leapfile /var/lib/ntp/leap-seconds.list

Of course, as was the case with ntpdc, you will first have to specify a
keyid and corresponding passwd. Note that ntpq uses the controlkey.

Also, for the benefit of others who might be setting up keys for the
first time, note that the permissions of the keys file are important;
600 works for me.


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