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doc: improve ntpdate answer in FAQ

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Miroslav Lichvar 2019-08-05 18:15:38 +02:00
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doc/faq.adoc
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@ -244,6 +244,18 @@ specified on the command line. For example:
# chronyd -q 'pool pool.ntp.org iburst'
----
The command above would normally take about 5 seconds if the servers were
well synchronised and responding to all requests. If not synchronised or
responding, it would take about 10 seconds for `chronyd` to give up and exit
with a non-zero status. A faster configuration is possible. A single server can
be used instead of four servers, the number of measurements can be reduced with
the `maxsamples` option, and a timeout can be specified with the `-t` option.
The following command would take only up to about 1 second.
----
# chronyd -q -t 1 'server pool.ntp.org iburst maxsamples 1'
----
=== Can `chronyd` be configured to control the clock like `ntpd`?
It is not possible to perfectly emulate `ntpd`, but there are some options that