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* DNS queries are delegated to a dedicated child process. * The -v option will log all time adjustments.
103 lines
2.7 KiB
Groff
103 lines
2.7 KiB
Groff
$FreeBSD$
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--- ntpd.conf.5.orig 2009-11-23 21:03:30.000000000 +0100
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+++ ntpd.conf.5 2009-11-23 21:12:27.000000000 +0100
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@@ -59,62 +59,6 @@ or
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listen on 127.0.0.1
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listen on ::1
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.Ed
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-.It Xo Ic sensor Ar device
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-.Op Ic correction Ar microseconds
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-.Op Ic weight Ar weight-value
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-.Op Ic refid Ar string
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-.Xc
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-Specify a timedelta sensor device
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-.Xr ntpd 8
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-should use.
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-The sensor can be specified multiple times:
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-.Xr ntpd 8
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-will use each given sensor that actually exists.
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-Non-existent sensors are ignored.
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-If
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-.Sq *
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-is given as device name,
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-.Xr ntpd 8
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-will use all timedelta sensors it finds.
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-.Xr ntpd 8
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-does not use any timedelta sensor by default.
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-For example:
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-.Bd -literal -offset indent
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-sensor *
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-sensor nmea0
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-.Ed
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-.Pp
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-An optional correction in microseconds can be given to compensate
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-for the sensor's offset.
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-The maximum correction is 127 seconds.
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-For example, if a DCF77 receiver is lagging 70ms behind
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-actual time:
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-.Bd -literal -offset indent
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-sensor udcf0 correction 70000
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-.Ed
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-.Pp
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-The optional
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-.Ic weight
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-keyword permits finer control over the relative importance
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-of time sources (servers or sensor devices).
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-Weights are specified in the range 1 to 10;
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-if no weight is given,
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-the default is 1.
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-A server with a weight of 5, for example,
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-will have five times more influence on time offset calculation
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-than a server with a weight of 1.
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-.Pp
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-An optional reference ID string - up to 4 ASCII characters - can be
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-given to publish the sensor type to clients.
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-RFC 2030 suggests some common reference identifiers, but new identifiers
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-"can be contrived as appropriate."
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-If an ID string is not given,
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-.Xr ntpd 8
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-will use a generic reference ID.
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-For example:
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-.Bd -literal -offset indent
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-sensor nmea0 refid GPS
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-.Ed
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.It Xo Ic server Ar address
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.Op Ic weight Ar weight-value
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.Xc
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@@ -139,6 +83,17 @@ server ntp.example.org weight 1
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To provide redundancy, it is good practice to configure multiple servers.
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In general, best accuracy is obtained by using servers that have a low
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network latency.
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+.Pp
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+The optional
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+.Ic weight
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+keyword permits finer control over the relative importance
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+of time sources.
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+Weights are specified in the range 1 to 10;
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+if no weight is given,
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+the default is 1.
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+A server with a weight of 5, for example,
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+will have five times more influence on time offset calculation
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+than a server with a weight of 1.
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.It Xo Ic servers Ar address
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.Op Ic weight Ar weight-value
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.Xc
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@@ -157,15 +112,14 @@ servers pool.ntp.org
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.Ed
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.El
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.Sh FILES
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-.Bl -tag -width "/etc/ntpd.confXXX" -compact
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-.It Pa /etc/ntpd.conf
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+.Bl -tag -width "%%PREFIX%%/etc/ntpd.confXXX" -compact
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+.It Pa %%PREFIX%%/etc/ntpd.conf
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default
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.Xr ntpd 8
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configuration file
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.El
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.Sh SEE ALSO
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-.Xr ntpd 8 ,
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-.Xr sysctl 8
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+.Xr ntpd 8
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.Sh HISTORY
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The
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.Nm
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