Lines Matching +full:clock +full:- +full:name

2 .  it 1 an-trap
6 .ds B-Font [CB]
7 .ds I-Font [CI]
8 .ds R-Font [CR]
10 .ds B-Font B
11 .ds I-Font I
12 .ds R-Font R
15 .\" EDIT THIS FILE WITH CAUTION (in-mem file)
17 .\" It has been AutoGen-ed May 25, 2024 at 12:04:07 AM by AutoGen 5.18.16
18 .\" From the definitions ntpd-opts.def
19 .\" and the template file agman-cmd.tpl
20 .SH NAME
21 \f\*[B-Font]ntpd\fP
22 \- NTP daemon program
24 \f\*[B-Font]ntpd\fP
26 [\f\*[B-Font]\-flags\f[]]
27 [\f\*[B-Font]\-flag\f[] [\f\*[I-Font]value\f[]]]
28 [\f\*[B-Font]\-\-option-name\f[][[=| ]\f\*[I-Font]value\f[]]]
35 \f\*[B-Font]ntpd\fP
40 Network Time Protocol (NTP) version 4, as defined by RFC-5905,
42 version 3, as defined by RFC-1305, and versions 1
43 and 2, as defined by RFC-1059 and RFC-1119, respectively.
48 \f\*[B-Font]ntpd\fP
49 utility does most computations in 64-bit floating point
50 arithmetic and does relatively clumsy 64-bit fixed point operations
60 \f\*[B-Font]ntpd\fP
76 \f\*[B-Font]ntpd\fP,
78 \f\*[B-Font]ntpd\fP
84 \f\*[B-Font]\-c\f[]
90 \f\*[B-Font]ntpd\fP
93 \f\*[B-Font]ntpd\fP
104 \f\*[B-Font]ntpd\fP
108 \f\*[B-Font]ntpd\fP
114 .NOP \f\*[B-Font]\-4\f[], \f\*[B-Font]\-\-ipv4\f[]
115 Force IPv4 DNS name resolution.
122 .NOP \f\*[B-Font]\-6\f[], \f\*[B-Font]\-\-ipv6\f[]
123 Force IPv6 DNS name resolution.
130 .NOP \f\*[B-Font]\-a\f[], \f\*[B-Font]\-\-authreq\f[]
139 .NOP \f\*[B-Font]\-A\f[], \f\*[B-Font]\-\-authnoreq\f[]
148 .NOP \f\*[B-Font]\-b\f[], \f\*[B-Font]\-\-bcastsync\f[]
152 .NOP \f\*[B-Font]\-c\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-configfile\f[]=\f\*[I-Font]string\f[]
153 configuration file name.
155 The name and path of the configuration file,
159 .NOP \f\*[B-Font]\-d\f[], \f\*[B-Font]\-\-debug\-level\f[]
164 .NOP \f\*[B-Font]\-D\f[] \f\*[I-Font]number\f[], \f\*[B-Font]\-\-set\-debug\-level\f[]=\f\*[I-Font]number\f[]
170 .NOP \f\*[B-Font]\-f\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-driftfile\f[]=\f\*[I-Font]string\f[]
171 frequency drift file name.
173 The name and path of the frequency file,
182 .NOP \f\*[B-Font]\-g\f[], \f\*[B-Font]\-\-panicgate\f[]
191 \fB-q\fP
193 \fB-x\fP
199 .NOP \f\*[B-Font]\-G\f[], \f\*[B-Font]\-\-force\-step\-once\f[]
213 .NOP \f\*[B-Font]\-i\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-jaildir\f[]=\f\*[I-Font]string\f[]
221 \fB-u\fP
223 This option is only available if the OS supports adjusting the clock
226 \fB--enable-clockctl\fP) or Linux (configure with
227 \fB--enable-linuxcaps\fP) or Solaris (configure with \fB--enable-solarisprivs\fP).
229 .NOP \f\*[B-Font]\-I\f[] \f\*[I-Font]iface\f[], \f\*[B-Font]\-\-interface\f[]=\f\*[I-Font]iface\f[]
230 Listen on an interface name or address.
234 given interface name.  This option may appear multiple times.  This option
239 .NOP \f\*[B-Font]\-k\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-keyfile\f[]=\f\*[I-Font]string\f[]
242 Specify the name and path of the symmetric key file.
249 .NOP \f\*[B-Font]\-l\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-logfile\f[]=\f\*[I-Font]string\f[]
252 Specify the name and path of the log file.
258 .NOP \f\*[B-Font]\-L\f[], \f\*[B-Font]\-\-novirtualips\f[]
266 .NOP \f\*[B-Font]\-M\f[], \f\*[B-Font]\-\-modifymmtimer\f[]
273 .NOP \f\*[B-Font]\-n\f[], \f\*[B-Font]\-\-nofork\f[]
276 wait-sync.
279 .NOP \f\*[B-Font]\-N\f[], \f\*[B-Font]\-\-nice\f[]
286 .NOP \f\*[B-Font]\-p\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-pidfile\f[]=\f\*[I-Font]string\f[]
289 Specify the name and path of the file used to record
296 .NOP \f\*[B-Font]\-P\f[] \f\*[I-Font]number\f[], \f\*[B-Font]\-\-priority\f[]=\f\*[I-Font]number\f[]
306 .NOP \f\*[B-Font]\-q\f[], \f\*[B-Font]\-\-quit\f[]
309 saveconfigquit, wait-sync.
312 will not daemonize and will exit after the clock is first
317 \fB-g\fP
319 \fB-x\fP
323 .NOP \f\*[B-Font]\-r\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-propagationdelay\f[]=\f\*[I-Font]string\f[]
328 .NOP \f\*[B-Font]\-\-saveconfigquit\f[]=\f\*[I-Font]string\f[]
331 quit, wait-sync.
337 .NOP \f\*[B-Font]\-s\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-statsdir\f[]=\f\*[I-Font]string\f[]
345 .NOP \f\*[B-Font]\-t\f[] \f\*[I-Font]tkey\f[], \f\*[B-Font]\-\-trustedkey\f[]=\f\*[I-Font]tkey\f[]
351 .NOP \f\*[B-Font]\-u\f[] \f\*[I-Font]string\f[], \f\*[B-Font]\-\-user\f[]=\f\*[I-Font]string\f[]
355 This option is only available if the OS supports adjusting the clock
358 \fB--enable-clockctl\fP) or Linux (configure with
359 \fB--enable-linuxcaps\fP) or Solaris (configure with \fB--enable-solarisprivs\fP).
361 .NOP \f\*[B-Font]\-U\f[] \f\*[I-Font]number\f[], \f\*[B-Font]\-\-updateinterval\f[]=\f\*[I-Font]number\f[]
370 .NOP \f\*[B-Font]\-\-var\f[]=\f\*[I-Font]nvar\f[]
375 .NOP \f\*[B-Font]\-\-dvar\f[]=\f\*[I-Font]ndvar\f[]
380 .NOP \f\*[B-Font]\-w\f[] \f\*[I-Font]number\f[], \f\*[B-Font]\-\-wait\-sync\f[]=\f\*[I-Font]number\f[]
381 Seconds to wait for first clock sync.
389 seconds for the child to first synchronize the clock.  The exit
390 status is zero (success) if the clock was synchronized,
393 wait for the first set of the clock before proceeding.
395 .NOP \f\*[B-Font]\-x\f[], \f\*[B-Font]\-\-slew\f[]
399 This option sets the threshold to 600 s, which is well within the accuracy window to set the clock manually.
403 \fB-g\fP
405 \fB-q\fP
412 .NOP \f\*[B-Font]\-\-usepcc\f[]
420 .NOP \f\*[B-Font]\-\-pccfreq\f[]=\f\*[I-Font]string\f[]
427 .NOP \f\*[B-Font]\-m\f[], \f\*[B-Font]\-\-mdns\f[]
433 .NOP \f\*[B-Font]\-\&?\f[], \f\*[B-Font]\-\-help\f[]
436 .NOP \f\*[B-Font]\-\&!\f[], \f\*[B-Font]\-\-more-help\f[]
439 .NOP \f\*[B-Font]\-\-version\f[] [{\f\*[I-Font]v|c|n\f[]}]
448   \fBNTPD_<option-name>\fP or \fBNTPD\fP
454 \f\*[B-Font]ntpd\fP
461 groom the data and set the clock.
466 interval of 64s, several minutes can elapse before the clock is
468 This initial delay to set the clock
470 \f\*[B-Font]iburst\f[]
472 \f\*[B-Font]server\f[]
480 time-of-year (TOY) chip to maintain the time during periods when
488 \f\*[B-Font]ntpd\fP
491 \f\*[B-Font]ntpd\fP
493 reliable action is for the operator to intervene and set the clock
498 \f\*[B-Font]ntpd\fP
502 \f\*[B-Font]\-g\f[]
504 clock will be set to the server time regardless of the chip time
508 CMOS battery fails or the clock counter becomes defective, once the
509 clock has been set an error greater than 1000s will cause
510 \f\*[B-Font]ntpd\fP
516 \f\*[B-Font]ntpd\fP
517 adjusts the clock in
522 the synchronization distance, which is equal to one-half the
525 \f\*[B-Font]ntpd\fP
530 offset, steps the clock to the indicated time.
532 reduces the false alarm rate where the clock is stepped in error to
537 As the result of this behavior, once the clock has been set it
541 \f\*[B-Font]ntpd\fP
545 which would cause the clock to be set backwards
546 if the local clock time is more than 128 s
551 \f\*[B-Font]\-x\f[]
552 option is included on the command line, the clock will
557 \f\*[B-Font]\-x\f[]
560 to 500 parts-per-million (PPM) as a consequence of the correctness
563 As a result, the local clock can take a long time to
565 clock is outside the acceptable range.
567 local clock will not be consistent with any other network clock and
575 outside the 128-ms range and an eventual step or slew time
580 \f\*[B-Font]ntpd\fP
589 \f\*[B-Font]time.ien.it\f[]
594 \f\*[B-Font]burst\f[]
607 to get the system clock close to correct before starting
613 \f\*[B-Font]ntpd\fP,
617 if you really need to set the clock before starting
618 \f\*[B-Font]ntpd\fP.
627 \f\*[B-Font]iburst\f[]
629 \f\*[B-Font]server\f[]
638 will effectively "warm-start" and your system's clock will
646 \f\*[B-Font]\-g\f[]
648 \f\*[B-Font]\-N\f[]
654 as much time as possible to get the system's clock synchronized and stable.
660 \f\*[B-Font]dovecot\f[]
663 monotonically-increasing time,
665 \fCntp-wait\f[]\fR(@NTP_WAIT_MS@)\f[]
668 \f\*[B-Font]\-v\f[]
671 \fCntp-wait\f[]\fR(@NTP_WAIT_MS@)\f[]
677 \f\*[B-Font]ntpd\fP
683 contains the latest estimate of clock frequency error.
685 \f\*[B-Font]ntpd\fP
687 \f\*[B-Font]ntpd\fP
689 the particular system clock oscillator time and frequency error.
692 \f\*[B-Font]ntpd\fP
699 \f\*[B-Font]ntpd\fP
701 \f\*[B-Font]ntpd\fP
708 \f\*[B-Font]ntpd\fP
718 monitoring for small changes in frequency and trimming the clock
720 However, it can operate in a one-time
725 compute server-client propagation delay correction factors and
734 \f\*[B-Font]ntpd\fP
753 \f\*[B-Font]ntpd\fP
765 \f\*[B-Font]ntpd\fP.
767 \f\*[B-Font]\-q\f[]
770 \f\*[B-Font]ntpd\fP
772 setting the clock for the first time.
774 setting the clock is the same as in continuous mode; most
776 \f\*[B-Font]iburst\f[]
778 \f\*[B-Font]server\f[]
782 the clock is set in about 10 s.
793 When kernel support is available to discipline the clock
796 a useful feature is available to discipline the clock
799 \f\*[B-Font]ntpd\fP
801 selected servers in order to measure and record the intrinsic clock
806 \f\*[B-Font]ntpd\fP
808 stopped and run in one-time mode as required.
824 \f\*[B-Font]tinker\f[]
825 \f\*[B-Font]minpoll\f[]
829 \f\*[B-Font]minpoll\f[]
842 conditions, once the clock discipline loop has stabilized the
845 However, this assumes the intrinsic clock frequency error
861 .SS "The huff-n'-puff Filter"
874 The huff-n'-puff filter is designed to correct the apparent time
887 The name of the filter reflects the negative (huff)
894 \f\*[B-Font]tinker\f[]
896 \f\*[B-Font]huffpuff\f[]
904 the default name of the configuration file
909 the default name of the drift file
914 the default name of the key file
927 it to autogen-users@lists.sourceforge.net.  Thank you.
982 Copyright (C) 1992-2024 The University of Delaware and Network Time Foundation all rights reserved.
986 \f\*[B-Font]ntpd\fP
989 larger than might be desirable for an elevated-priority
990 \f\*[B-Font]ntpd\fP
1004 This manual page was \fIAutoGen\fP-erated from the \fBntpd\fP