Attachment 18462 Details for Bug 33179 – file.diff

[patch] file.diff

file.diff (text/plain), 4.92 KB, created by Norihiro Kumagai on 2001-12-26 00:10:01 UTC

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Creator: Norihiro Kumagai

Created: 2001-12-26 00:10:01 UTC

Size: 4.92 KB

patch

obsolete

>--- ntpdate.8	Wed Aug 29 07:50:56 2001
>+++ ntpdate-mod.8	Tue Dec 25 15:56:26 2001
>@@ -22,21 +22,21 @@
> .Em Note :
> The functionality of this program is now available
> in the
>-.Xr ntpd 8   
>+.Xr ntpd 8
> program.
> See the
>-.Fl q   
>+.Fl q
> command line
> option in the
>-.Xr ntpd 8   
>+.Xr ntpd 8
> page.
> After a suitable period of
> mourning, the
>-.Nm   
>+.Nm
> program is to be retired from this
> distribution.
> .Pp
>-.Nm   
>+.Nm
> sets the local date and time by polling the
> Network Time Protocol (NTP) server(s) given as the
> .Ar server
>@@ -48,7 +48,7 @@
> selection algorithms are applied to select the best of these.
> Note
> that the accuracy and reliability of
>-.Nm   
>+.Nm
> depends on
> the number of servers, the number of polls each time it is run and
> the interval between runs.
>@@ -58,7 +58,7 @@
> .It Fl a Ar key
> Enable the authentication function and specify the key
> identifier to be used for authentication as the argument
>-.Ar key
>+.Ar key .
> The keys and key identifiers must match
> in both the client and server key files.
> The default is to disable
>@@ -74,9 +74,9 @@
> if the offset is
> greater than +-128 ms.
> Note that, if the offset is much greater
>-than +-128 ms in this case, that it can take a long time (hours) to
>+than +-128 ms in this case, it can take a long time (hours) to
> slew the clock to the correct value.
>-During this time. the host
>+During this time, the host
> should not be used to synchronize clients.
> .It Fl b
> Force the time to be stepped using the
>@@ -89,7 +89,7 @@
> time.
> .It Fl d
> Enable the debugging mode, in which
>-.Nm   
>+.Nm
> will go
> through all the steps, but not adjust the local clock.
> Information
>@@ -100,7 +100,7 @@
> .Ar authdelay ,
> in seconds and fraction
> (see
>-.Xr ntpd 8   
>+.Xr ntpd 8
> for details).
> This number is usually small
> enough to be negligible for most purposes, though specifying a
>@@ -112,14 +112,14 @@
> .Pa /etc/ntp.keys .
> This file
> should be in the format described in
>-.Xr ntpd 8  . 
>+.Xr ntpd 8 .
> .It Fl o Ar version
> Specify the NTP version for outgoint packets as the integer
> .Ar version ,
> which can be 1 or 2.
> The default is 3.
> This allows
>-.Nm   
>+.Nm
> to be used with older NTP versions.
> .It Fl p Ar samples
> Specify the number of samples to be acquired from each server
>@@ -132,31 +132,31 @@
> .It Fl s
> Divert logging output from the standard output (default) to the
> system
>-.Xr syslog 3   
>+.Xr syslog 3
> facility.
> This is designed primarily for
> convenience of
>-.Xr cron 8   
>+.Xr cron 8
> scripts.
> .It Fl t Ar timeout
> Specify the maximum time waiting for a server response as the
> value
> .Ar timeout ,
> in seconds and fraction.
>-The value is is
>+The value is
> rounded to a multiple of 0.2 seconds.
> The default is 1 second, a
> value suitable for polling across a LAN.
> .It Fl u
> Direct
>-.Nm   
>-to use an unprivileged port or outgoing
>+.Nm
>+to use an unprivileged port for outgoing
> packets.
> This is most useful when behind a firewall that blocks
> incoming traffic to privileged ports, and you want to synchronise
> with hosts beyond the firewall.
> Note that the
>-.Fl d   
>+.Fl d
> option
> always uses unprivileged ports.
> .It Fl v
>@@ -167,43 +167,43 @@
> identification string to be logged.
> .El
> .Pp
>-.Nm   
>+.Nm
> can be run manually as necessary to set the
> host clock, or it can be run from the host startup script to set
> the clock at boot time.
> This is useful in some cases to set the
> clock initially before starting the NTP daemon
>-.Xr ntpd 8  . 
>+.Xr ntpd 8 .
> It is
> also possible to run
>-.Nm   
>+.Nm
> from a
>-.Xr cron 8   
>+.Xr cron 8
> script.
> However, it is important to note that
>-.Nm   
>+.Nm
> with
> contrived
>-.Xr cron 8   
>+.Xr cron 8
> scripts is no substitute for the NTP
> daemon, which uses sophisticated algorithms to maximize accuracy
> and reliability while minimizing resource use.
> Finally, since
>-.Nm   
>+.Nm
> does not discipline the host clock frequency as
> does
>-.Xr ntpd 8  , 
>+.Xr ntpd 8 ,
> the accuracy using
>-.Nm   
>+.Nm
> is
> limited.
> .Pp
> Time adjustments are made by
>-.Nm   
>+.Nm
> in one of two
> ways.
> If
>-.Nm   
>+.Nm
> determines the clock is in error more
> than 0.5 second it will simply step the time by calling the system
> .Xr settimeofday 2
>@@ -215,22 +215,22 @@
> The latter technique is less disruptive
> and more accurate when the error is small, and works quite well
> when
>-.Nm   
>+.Nm
> is run by
>-.Xr cron 8   
>+.Xr cron 8
> every hour or
> two.
> .Pp
>-.Nm   
>+.Nm
> will decline to set the date if an NTP server
> daemon (e.g.,
>-.Xr ntpd 8 )  
>+.Xr ntpd 8 )
> is running on the same host.
> When
> running
>-.Nm   
>+.Nm
> on a regular basis from
>-.Xr cron 8   
>+.Xr cron 8
> as
> an alternative to running a daemon, doing so once every hour or two
> will result in precise enough timekeeping to avoid stepping the
>@@ -239,12 +239,12 @@
> If NetInfo support is compiled into
> .Nm , 
> then the
>-.Ic server   
>+.Ic server
> argument is optional if
>-.Nm   
>+.Nm
> can find a
> time server in the NetInfo configuration for
>-.Xr ntpd 8  . 
>+.Xr ntpd 8 .
> .Sh FILES
> .Bl -tag -width /etc/ntp.keys -compact
> .It Pa /etc/ntp.keys

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