Lines Matching +full:clock +full:- +full:name
4 .\" EDIT THIS FILE WITH CAUTION (ntpd-opts.mdoc)
6 .\" It has been AutoGen-ed May 25, 2024 at 12:03:54 AM by AutoGen 5.18.16
7 .\" From the definitions ntpd-opts.def
8 .\" and the template file agmdoc-cmd.tpl
9 .Sh NAME
17 .Op Fl \-option\-name Ns Oo Oo Ns "=| " Oc Ns Ar value Oc
27 Network Time Protocol (NTP) version 4, as defined by RFC\-5905,
29 version 3, as defined by RFC\-1305, and versions 1
30 and 2, as defined by RFC\-1059 and RFC\-1119, respectively.
34 utility does most computations in 64\-bit floating point
35 arithmetic and does relatively clumsy 64\-bit fixed point operations
90 .Bl -tag
91 .It Fl 4 , Fl \-ipv4
92 Force IPv4 DNS name resolution.
98 .It Fl 6 , Fl \-ipv6
99 Force IPv6 DNS name resolution.
105 .It Fl a , Fl \-authreq
113 .It Fl A , Fl \-authnoreq
121 .It Fl b , Fl \-bcastsync
124 .It Fl c Ar string , Fl \-configfile Ns = Ns Ar string
125 configuration file name.
127 The name and path of the configuration file,
130 .It Fl d , Fl \-debug\-level
134 .It Fl D Ar number , Fl \-set\-debug\-level Ns = Ns Ar number
139 .It Fl f Ar string , Fl \-driftfile Ns = Ns Ar string
140 frequency drift file name.
142 The name and path of the frequency file,
150 .It Fl g , Fl \-panicgate
159 \fB\-q\fP
161 \fB\-x\fP
166 .It Fl G , Fl \-force\-step\-once
179 .It Fl i Ar string , Fl \-jaildir Ns = Ns Ar string
187 \fB\-u\fP
189 This option is only available if the OS supports adjusting the clock
192 \fB\-\-enable\-clockctl\fP) or Linux (configure with
193 \fB\-\-enable\-linuxcaps\fP) or Solaris (configure with \fB\-\-enable\-solarisprivs\fP).
194 .It Fl I Ar iface , Fl \-interface Ns = Ns Ar iface
195 Listen on an interface name or address.
199 given interface name. This option may appear multiple times. This option
203 .It Fl k Ar string , Fl \-keyfile Ns = Ns Ar string
206 Specify the name and path of the symmetric key file.
212 .It Fl l Ar string , Fl \-logfile Ns = Ns Ar string
215 Specify the name and path of the log file.
220 .It Fl L , Fl \-novirtualips
227 .It Fl M , Fl \-modifymmtimer
233 .It Fl n , Fl \-nofork
236 wait\-sync.
238 .It Fl N , Fl \-nice
244 .It Fl p Ar string , Fl \-pidfile Ns = Ns Ar string
247 Specify the name and path of the file used to record
253 .It Fl P Ar number , Fl \-priority Ns = Ns Ar number
262 .It Fl q , Fl \-quit
265 saveconfigquit, wait\-sync.
268 will not daemonize and will exit after the clock is first
273 \fB\-g\fP
275 \fB\-x\fP
278 .It Fl r Ar string , Fl \-propagationdelay Ns = Ns Ar string
282 .It Fl \-saveconfigquit Ns = Ns Ar string
285 quit, wait\-sync.
290 .It Fl s Ar string , Fl \-statsdir Ns = Ns Ar string
297 .It Fl t Ar tkey , Fl \-trustedkey Ns = Ns Ar tkey
302 .It Fl u Ar string , Fl \-user Ns = Ns Ar string
306 This option is only available if the OS supports adjusting the clock
309 \fB\-\-enable\-clockctl\fP) or Linux (configure with
310 \fB\-\-enable\-linuxcaps\fP) or Solaris (configure with \fB\-\-enable\-solarisprivs\fP).
311 .It Fl U Ar number , Fl \-updateinterval Ns = Ns Ar number
319 .It Fl \-var Ns = Ns Ar nvar
323 .It Fl \-dvar Ns = Ns Ar ndvar
327 .It Fl w Ar number , Fl \-wait\-sync Ns = Ns Ar number
328 Seconds to wait for first clock sync.
336 seconds for the child to first synchronize the clock. The exit
337 status is zero (success) if the clock was synchronized,
340 wait for the first set of the clock before proceeding.
341 .It Fl x , Fl \-slew
345 This option sets the threshold to 600 s, which is well within the accuracy window to set the clock …
349 \fB\-g\fP
351 \fB\-q\fP
357 .It Fl \-usepcc
364 .It Fl \-pccfreq Ns = Ns Ar string
370 .It Fl m , Fl \-mdns
375 .It Fl \&? , Fl \-help
377 .It Fl \&! , Fl \-more\-help
379 .It Fl \-version Op Brq Ar v|c|n
388 \fBNTPD_<option\-name>\fP or \fBNTPD\fP
401 groom the data and set the clock.
406 interval of 64s, several minutes can elapse before the clock is
408 This initial delay to set the clock
418 time\-of\-year (TOY) chip to maintain the time during periods when
431 reliable action is for the operator to intervene and set the clock
442 clock will be set to the server time regardless of the chip time
446 CMOS battery fails or the clock counter becomes defective, once the
447 clock has been set an error greater than 1000s will cause
453 adjusts the clock in
458 the synchronization distance, which is equal to one\-half the
466 offset, steps the clock to the indicated time.
468 reduces the false alarm rate where the clock is stepped in error to
471 As the result of this behavior, once the clock has been set it
479 which would cause the clock to be set backwards
480 if the local clock time is more than 128 s
486 option is included on the command line, the clock will
494 to 500 parts\-per\-million (PPM) as a consequence of the correctness
497 As a result, the local clock can take a long time to
499 clock is outside the acceptable range.
501 local clock will not be consistent with any other network clock and
507 outside the 128\-ms range and an eventual step or slew time
537 to get the system clock close to correct before starting
547 if you really need to set the clock before starting
564 will effectively "warm\-start" and your system's clock will
578 as much time as possible to get the system's clock synchronized and stable.
585 monotonically\-increasing time,
587 .Xr ntp\-wait 1ntp\-waitmdoc
593 .Xr ntp\-wait 1ntp\-waitmdoc
605 contains the latest estimate of clock frequency error.
611 the particular system clock oscillator time and frequency error.
640 monitoring for small changes in frequency and trimming the clock
642 However, it can operate in a one\-time
647 compute server\-client propagation delay correction factors and
690 setting the clock for the first time.
692 setting the clock is the same as in continuous mode; most
700 the clock is set in about 10 s.
709 When kernel support is available to discipline the clock
712 a useful feature is available to discipline the clock
717 selected servers in order to measure and record the intrinsic clock
724 stopped and run in one\-time mode as required.
756 conditions, once the clock discipline loop has stabilized the
759 However, this assumes the intrinsic clock frequency error
775 .Ss "The huff\-n'\-puff Filter"
786 The huff\-n'\-puff filter is designed to correct the apparent time
799 The name of the filter reflects the negative (huff)
812 .Bl -tag -width /etc/ntp.drift -compact
814 the default name of the configuration file
816 the default name of the drift file
818 the default name of the key file
822 .Bl -tag
829 it to autogen\-users@lists.sourceforge.net. Thank you.
889 Copyright (C) 1992\-2024 The University of Delaware and Network Time Foundation all rights reserved.
896 larger than might be desirable for an elevated\-priority
907 This manual page was \fIAutoGen\fP\-erated from the \fBntpd\fP