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38 <h1 class="settitle" align="center">ntpd: Network Time Protocol (NTP) Daemon User’s Manual</h1>
44 <span id="Top"></span><div class="header">
46 Next: <a href="#ntpd-Description" accesskey="n" rel="next">ntpd Description</a>, Previous: <a href="dir.html#Top" accesskey="p" rel="prev">(dir)</a>, Up: <a href="dir.html#Top" accesskey="u" rel="up">(dir)</a> </p>
48 <span id="ntpd_003a-Network-Time-Protocol-_0028NTP_0029-Daemon-User-Manual"></span><h1 class="top">ntpd: Network Time Protocol (NTP) Daemon User Manual</h1>
52 It is a complete implementation of NTP version 4 defined by RFC-5905, but
53 also retains compatible with version 3 defined by RFC-1305 and versions
54 1 and 2, defined by RFC-1059 and RFC-1119, respectively.
56 symmetric and broadcast modes, and with both symmetric-key and public-key
61 <span id="SEC_Overview"></span>
62 <h2 class="shortcontents-heading">Short Table of Contents</h2>
65 <ul class="no-bullet">
66 <li><a id="stoc-Description" href="#toc-Description">1 Description</a></li>
72 <tr><td align="left" valign="top">• <a href="#ntpd-Description" accesskey="1">ntpd Description</a></td><td> </td><td align="left" valign="top">Description
74 <tr><td align="left" valign="top">• <a href="#ntpd-Invocation" accesskey="2">ntpd Invocation</a></td><td> </td><td align="left" valign="top">Invoking ntpd
81 <span id="ntpd-Description"></span><div class="header">
83 Next: <a href="#ntpd-Invocation" accesskey="n" rel="next">ntpd Invocation</a>, Up: <a href="#Top" accesskey="u" rel="up">Top</a> </p>
85 <span id="Description"></span><h2 class="chapter">1 Description</h2>
99 With the <code>-q</code> option <code>ntpd</code> operates as in continuous mode, but
109 <tr><td align="left" valign="top">• <a href="#ntpd-Invocation" accesskey="1">Invoking ntpd</a></td><td> </td><td align="left" valign="top">
116 <span id="ntpd-Invocation"></span><div class="header">
118 Next: <a href="#Usage" accesskey="n" rel="next">Usage</a>, Previous: <a href="#ntpd-Description" accesskey="p" rel="prev">ntpd Description</a>, Up: <a href="#ntpd-Description" accesskey="u" rel="up">ntpd Description</a> </p>
120 <span id="Invoking-ntpd"></span><h3 class="section">1.1 Invoking ntpd</h3>
121 <span id="index-ntpd"></span>
122 <span id="index-NTP-daemon-program"></span>
132 Network Time Protocol (NTP) version 4, as defined by RFC-5905,
134 version 3, as defined by RFC-1305, and versions 1
135 and 2, as defined by RFC-1059 and RFC-1119, respectively.
139 utility does most computations in 64-bit floating point
140 arithmetic and does relatively clumsy 64-bit fixed point operations
170 <code>-c</code>
196 using the <code>agtexi-cmd</code> template and the option descriptions for the <code>ntpd</code> program.
200 <tr><td align="left" valign="top">• <a href="#ntpd-usage" accesskey="1">ntpd usage</a></td><td> </td><td align="left" valign="top">ntpd help/usage (<samp>--help</samp>)
202 <tr><td align="left" valign="top">• <a href="#ntpd-ipv4" accesskey="2">ntpd ipv4</a></td><td> </td><td align="left" valign="top">ipv4 option (-4)
204 <tr><td align="left" valign="top">• <a href="#ntpd-ipv6" accesskey="3">ntpd ipv6</a></td><td> </td><td align="left" valign="top">ipv6 option (-6)
206 <tr><td align="left" valign="top">• <a href="#ntpd-authreq" accesskey="4">ntpd authreq</a></td><td> </td><td align="left" valign="top">authreq option (-a)
208 <tr><td align="left" valign="top">• <a href="#ntpd-authnoreq" accesskey="5">ntpd authnoreq</a></td><td> </td><td align="left" valign="top">authnoreq option (-A)
210 <tr><td align="left" valign="top">• <a href="#ntpd-configfile" accesskey="6">ntpd configfile</a></td><td> </td><td align="left" valign="top">configfile option (-c)
212 <tr><td align="left" valign="top">• <a href="#ntpd-driftfile" accesskey="7">ntpd driftfile</a></td><td> </td><td align="left" valign="top">driftfile option (-f)
214 <tr><td align="left" valign="top">• <a href="#ntpd-panicgate" accesskey="8">ntpd panicgate</a></td><td> </td><td align="left" valign="top">panicgate option (-g)
216 <tr><td align="left" valign="top">• <a href="#ntpd-force_002dstep_002donce" accesskey="9">ntpd force-step-once</a></td><td> </td><td align="left" valign="top">force-step-once option (-G)
218 <tr><td align="left" valign="top">• <a href="#ntpd-jaildir">ntpd jaildir</a></td><td> </td><td align="left" valign="top">jaildir option (-i)
220 <tr><td align="left" valign="top">• <a href="#ntpd-interface">ntpd interface</a></td><td> </td><td align="left" valign="top">interface option (-I)
222 <tr><td align="left" valign="top">• <a href="#ntpd-keyfile">ntpd keyfile</a></td><td> </td><td align="left" valign="top">keyfile option (-k)
224 <tr><td align="left" valign="top">• <a href="#ntpd-logfile">ntpd logfile</a></td><td> </td><td align="left" valign="top">logfile option (-l)
226 <tr><td align="left" valign="top">• <a href="#ntpd-novirtualips">ntpd novirtualips</a></td><td> </td><td align="left" valign="top">novirtualips option (-L)
228 <tr><td align="left" valign="top">• <a href="#ntpd-modifymmtimer">ntpd modifymmtimer</a></td><td> </td><td align="left" valign="top">modifymmtimer option (-M)
230 <tr><td align="left" valign="top">• <a href="#ntpd-nice">ntpd nice</a></td><td> </td><td align="left" valign="top">nice option (-N)
232 <tr><td align="left" valign="top">• <a href="#ntpd-pidfile">ntpd pidfile</a></td><td> </td><td align="left" valign="top">pidfile option (-p)
234 <tr><td align="left" valign="top">• <a href="#ntpd-priority">ntpd priority</a></td><td> </td><td align="left" valign="top">priority option (-P)
236 <tr><td align="left" valign="top">• <a href="#ntpd-quit">ntpd quit</a></td><td> </td><td align="left" valign="top">quit option (-q)
238 <tr><td align="left" valign="top">• <a href="#ntpd-propagationdelay">ntpd propagationdelay</a></td><td> </td><td align="left" valign="top">propagationdelay option (-r)
240 <tr><td align="left" valign="top">• <a href="#ntpd-saveconfigquit">ntpd saveconfigquit</a></td><td> </td><td align="left" valign="top">saveconfigquit option
242 <tr><td align="left" valign="top">• <a href="#ntpd-statsdir">ntpd statsdir</a></td><td> </td><td align="left" valign="top">statsdir option (-s)
244 <tr><td align="left" valign="top">• <a href="#ntpd-trustedkey">ntpd trustedkey</a></td><td> </td><td align="left" valign="top">trustedkey option (-t)
246 <tr><td align="left" valign="top">• <a href="#ntpd-user">ntpd user</a></td><td> </td><td align="left" valign="top">user option (-u)
248 <tr><td align="left" valign="top">• <a href="#ntpd-updateinterval">ntpd updateinterval</a></td><td> </td><td align="left" valign="top">updateinterval option (-U)
250 <tr><td align="left" valign="top">• <a href="#ntpd-wait_002dsync">ntpd wait-sync</a></td><td> </td><td align="left" valign="top">wait-sync option (-w)
252 <tr><td align="left" valign="top">• <a href="#ntpd-slew">ntpd slew</a></td><td> </td><td align="left" valign="top">slew option (-x)
254 <tr><td align="left" valign="top">• <a href="#ntpd-usepcc">ntpd usepcc</a></td><td> </td><td align="left" valign="top">usepcc option
256 <tr><td align="left" valign="top">• <a href="#ntpd-pccfreq">ntpd pccfreq</a></td><td> </td><td align="left" valign="top">pccfreq option
258 <tr><td align="left" valign="top">• <a href="#ntpd-mdns">ntpd mdns</a></td><td> </td><td align="left" valign="top">mdns option (-m)
260 <tr><td align="left" valign="top">• <a href="#ntpd-config">ntpd config</a></td><td> </td><td align="left" valign="top">presetting/configuring ntpd
262 <tr><td align="left" valign="top">• <a href="#ntpd-exit-status">ntpd exit status</a></td><td> </td><td align="left" valign="top">exit status
264 <tr><td align="left" valign="top">• <a href="#ntpd-Usage">ntpd Usage</a></td><td> </td><td align="left" valign="top">Usage
266 <tr><td align="left" valign="top">• <a href="#ntpd-Files">ntpd Files</a></td><td> </td><td align="left" valign="top">Files
268 <tr><td align="left" valign="top">• <a href="#ntpd-See-Also">ntpd See Also</a></td><td> </td><td align="left" valign="top">See Also
270 <tr><td align="left" valign="top">• <a href="#ntpd-Bugs">ntpd Bugs</a></td><td> </td><td align="left" valign="top">Bugs
272 <tr><td align="left" valign="top">• <a href="#ntpd-Notes">ntpd Notes</a></td><td> </td><td align="left" valign="top">Notes
277 <span id="ntpd-usage"></span><div class="header">
279 Next: <a href="#ntpd-ipv4" accesskey="n" rel="next">ntpd ipv4</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
281 <span id="ntpd-help_002fusage-_0028_002d_002dhelp_0029"></span><h4 class="subsection">1.1.1 ntpd help/usage (<samp>--help</samp>)</h4>
282 <span id="index-ntpd-help"></span>
287 (<samp>--help</samp>) or the <code>more-help</code> option (<samp>--more-help</samp>). <code>more-help</code> will print
289 <code>more-help</code> is disabled on platforms without a working
295 <pre class="example">ntpd - NTP daemon program - Ver. 4.2.8p18
296 Usage: ntpd [ -<flag> [<val>] | --<name>[{=| }<val>] ]... \
298 Flg Arg Option-Name Description
299 -4 no ipv4 Force IPv4 DNS name resolution
300 - prohibits the option 'ipv6'
301 -6 no ipv6 Force IPv6 DNS name resolution
302 - prohibits the option 'ipv4'
303 -a no authreq Require crypto authentication
304 - prohibits the option 'authnoreq'
305 -A no authnoreq Do not require crypto authentication
306 - prohibits the option 'authreq'
307 -b no bcastsync Allow us to sync to broadcast servers
308 -c Str configfile configuration file name
309 -d no debug-level Increase debug verbosity level
310 - may appear multiple times
311 -D Num set-debug-level Set the debug verbosity level
312 - may appear multiple times
313 -f Str driftfile frequency drift file name
314 -g no panicgate Allow the first adjustment to be Big
315 - may appear multiple times
316 -G no force-step-once Step any initial offset correction.
317 -i --- jaildir built without --enable-clockctl or --enable-linuxcaps or --enable-solarisprivs
318 -I Str interface Listen on an interface name or address
319 - may appear multiple times
320 -k Str keyfile path to symmetric keys
321 -l Str logfile path to the log file
322 -L no novirtualips Do not listen to virtual interfaces
323 -n no nofork Do not fork
324 - prohibits the option 'wait-sync'
325 -N no nice Run at high priority
326 -p Str pidfile path to the PID file
327 -P Num priority Process priority
328 -q no quit Set the time and quit
329 - prohibits these options:
331 wait-sync
332 -r Str propagationdelay Broadcast/propagation delay
334 - prohibits these options:
336 wait-sync
337 -s Str statsdir Statistics file location
338 -t Str trustedkey Trusted key number
339 - may appear multiple times
340 -u --- user built without --enable-clockctl or --enable-linuxcaps or --enable-solarisprivs
341 -U Num updateinterval interval in seconds between scans for new or dropped interfaces
343 - may appear multiple times
345 - may appear multiple times
346 -w Num wait-sync Seconds to wait for first clock sync
347 - prohibits these options:
351 -x no slew Slew up to 600 seconds
353 -? no help display extended usage information and exit
354 -! no more-help extended usage information passed thru pager
361 - examining environment variables named NTPD_*
367 <span id="ntpd-ipv4"></span><div class="header">
369 Next: <a href="#ntpd-ipv6" accesskey="n" rel="next">ntpd ipv6</a>, Previous: <a href="#ntpd-usage" accesskey="p" rel="prev">ntpd usage</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
371 <span id="ipv4-option-_0028_002d4_0029"></span><h4 class="subsection">1.1.2 ipv4 option (-4)</h4>
372 <span id="index-ntpd_002dipv4"></span>
385 <span id="ntpd-ipv6"></span><div class="header">
387 Next: <a href="#ntpd-authreq" accesskey="n" rel="next">ntpd authreq</a>, Previous: <a href="#ntpd-ipv4" accesskey="p" rel="prev">ntpd ipv4</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
389 <span id="ipv6-option-_0028_002d6_0029"></span><h4 class="subsection">1.1.3 ipv6 option (-6)</h4>
390 <span id="index-ntpd_002dipv6"></span>
403 <span id="ntpd-authreq"></span><div class="header">
405 Next: <a href="#ntpd-authnoreq" accesskey="n" rel="next">ntpd authnoreq</a>, Previous: <a href="#ntpd-ipv6" accesskey="p" rel="prev">ntpd ipv6</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
407 <span id="authreq-option-_0028_002da_0029"></span><h4 class="subsection">1.1.4 authreq option (-a)</h4>
408 <span id="index-ntpd_002dauthreq"></span>
422 <span id="ntpd-authnoreq"></span><div class="header">
424 Next: <a href="#ntpd-configfile" accesskey="n" rel="next">ntpd configfile</a>, Previous: <a href="#ntpd-authreq" accesskey="p" rel="prev">ntpd authreq</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
426 <span id="authnoreq-option-_0028_002dA_0029"></span><h4 class="subsection">1.1.5 authnoreq option (-A)</h4>
427 <span id="index-ntpd_002dauthnoreq"></span>
441 <span id="ntpd-configfile"></span><div class="header">
443 Next: <a href="#ntpd-driftfile" accesskey="n" rel="next">ntpd driftfile</a>, Previous: <a href="#ntpd-authnoreq" accesskey="p" rel="prev">ntpd authnoreq</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
445 <span id="configfile-option-_0028_002dc_0029"></span><h4 class="subsection">1.1.6 configfile option (-c)</h4>
446 <span id="index-ntpd_002dconfigfile"></span>
454 <span id="ntpd-driftfile"></span><div class="header">
456 Next: <a href="#ntpd-panicgate" accesskey="n" rel="next">ntpd panicgate</a>, Previous: <a href="#ntpd-configfile" accesskey="p" rel="prev">ntpd configfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
458 <span id="driftfile-option-_0028_002df_0029"></span><h4 class="subsection">1.1.7 driftfile option (-f)</h4>
459 <span id="index-ntpd_002ddriftfile"></span>
466 This is the same operation as the
472 <span id="ntpd-panicgate"></span><div class="header">
474 Next: <a href="#ntpd-force_002dstep_002donce" accesskey="n" rel="next">ntpd force-step-once</a>, Previous: <a href="#ntpd-driftfile" accesskey="p" rel="prev">ntpd driftfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
476 <span id="panicgate-option-_0028_002dg_0029"></span><h4 class="subsection">1.1.8 panicgate option (-g)</h4>
477 <span id="index-ntpd_002dpanicgate"></span>
491 <code>-q</code>
493 <code>-x</code>
499 <span id="ntpd-force_002dstep_002donce"></span><div class="header">
501 Next: <a href="#ntpd-jaildir" accesskey="n" rel="next">ntpd jaildir</a>, Previous: <a href="#ntpd-panicgate" accesskey="p" rel="prev">ntpd panicgate</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
503 <span id="force_002dstep_002donce-option-_0028_002dG_0029"></span><h4 class="subsection">1.1.9 force-step-once option (-G)</h4>
504 <span id="index-ntpd_002dforce_002dstep_002donce"></span>
518 <span id="ntpd-jaildir"></span><div class="header">
520 Next: <a href="#ntpd-interface" accesskey="n" rel="next">ntpd interface</a>, Previous: <a href="#ntpd-force_002dstep_002donce" accesskey="p" rel="prev">ntpd force-step-once</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
522 <span id="jaildir-option-_0028_002di_0029"></span><h4 class="subsection">1.1.10 jaildir option (-i)</h4>
523 <span id="index-ntpd_002djaildir"></span>
538 <code>-u</code>
543 <code>--enable-clockctl</code>) or Linux (configure with
544 <code>--enable-linuxcaps</code>) or Solaris (configure with <code>--enable-solarisprivs</code>).
546 <span id="ntpd-interface"></span><div class="header">
548 Next: <a href="#ntpd-keyfile" accesskey="n" rel="next">ntpd keyfile</a>, Previous: <a href="#ntpd-jaildir" accesskey="p" rel="prev">ntpd jaildir</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
550 <span id="interface-option-_0028_002dI_0029"></span><h4 class="subsection">1.1.11 interface option (-I)</h4>
551 <span id="index-ntpd_002dinterface"></span>
567 <span id="ntpd-keyfile"></span><div class="header">
569 Next: <a href="#ntpd-logfile" accesskey="n" rel="next">ntpd logfile</a>, Previous: <a href="#ntpd-interface" accesskey="p" rel="prev">ntpd interface</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
571 <span id="keyfile-option-_0028_002dk_0029"></span><h4 class="subsection">1.1.12 keyfile option (-k)</h4>
572 <span id="index-ntpd_002dkeyfile"></span>
579 This is the same operation as the
583 <span id="ntpd-logfile"></span><div class="header">
585 Next: <a href="#ntpd-novirtualips" accesskey="n" rel="next">ntpd novirtualips</a>, Previous: <a href="#ntpd-keyfile" accesskey="p" rel="prev">ntpd keyfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
587 <span id="logfile-option-_0028_002dl_0029"></span><h4 class="subsection">1.1.13 logfile option (-l)</h4>
588 <span id="index-ntpd_002dlogfile"></span>
594 This is the same operation as the
598 <span id="ntpd-novirtualips"></span><div class="header">
600 Next: <a href="#ntpd-modifymmtimer" accesskey="n" rel="next">ntpd modifymmtimer</a>, Previous: <a href="#ntpd-logfile" accesskey="p" rel="prev">ntpd logfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
602 <span id="novirtualips-option-_0028_002dL_0029"></span><h4 class="subsection">1.1.14 novirtualips option (-L)</h4>
603 <span id="index-ntpd_002dnovirtualips"></span>
611 <span id="ntpd-modifymmtimer"></span><div class="header">
613 Next: <a href="#ntpd-nice" accesskey="n" rel="next">ntpd nice</a>, Previous: <a href="#ntpd-novirtualips" accesskey="p" rel="prev">ntpd novirtualips</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
615 <span id="modifymmtimer-option-_0028_002dM_0029"></span><h4 class="subsection">1.1.15 modifymmtimer option (-M)</h4>
616 <span id="index-ntpd_002dmodifymmtimer"></span>
629 <span id="ntpd-nice"></span><div class="header">
631 Next: <a href="#ntpd-pidfile" accesskey="n" rel="next">ntpd pidfile</a>, Previous: <a href="#ntpd-modifymmtimer" accesskey="p" rel="prev">ntpd modifymmtimer</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
633 <span id="nice-option-_0028_002dN_0029"></span><h4 class="subsection">1.1.16 nice option (-N)</h4>
634 <span id="index-ntpd_002dnice"></span>
641 <span id="ntpd-pidfile"></span><div class="header">
643 Next: <a href="#ntpd-priority" accesskey="n" rel="next">ntpd priority</a>, Previous: <a href="#ntpd-nice" accesskey="p" rel="prev">ntpd nice</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
645 <span id="pidfile-option-_0028_002dp_0029"></span><h4 class="subsection">1.1.17 pidfile option (-p)</h4>
646 <span id="index-ntpd_002dpidfile"></span>
653 This is the same operation as the
657 <span id="ntpd-priority"></span><div class="header">
659 Next: <a href="#ntpd-quit" accesskey="n" rel="next">ntpd quit</a>, Previous: <a href="#ntpd-pidfile" accesskey="p" rel="prev">ntpd pidfile</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
661 <span id="priority-option-_0028_002dP_0029"></span><h4 class="subsection">1.1.18 priority option (-P)</h4>
662 <span id="index-ntpd_002dpriority"></span>
672 <span id="ntpd-quit"></span><div class="header">
674 Next: <a href="#ntpd-propagationdelay" accesskey="n" rel="next">ntpd propagationdelay</a>, Previous: <a href="#ntpd-priority" accesskey="p" rel="prev">ntpd priority</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
676 <span id="quit-option-_0028_002dq_0029"></span><h4 class="subsection">1.1.19 quit option (-q)</h4>
677 <span id="index-ntpd_002dquit"></span>
684 saveconfigquit, wait-sync.
693 <code>-g</code>
695 <code>-x</code>
699 <span id="ntpd-propagationdelay"></span><div class="header">
701 Next: <a href="#ntpd-saveconfigquit" accesskey="n" rel="next">ntpd saveconfigquit</a>, Previous: <a href="#ntpd-quit" accesskey="p" rel="prev">ntpd quit</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
703 <span id="propagationdelay-option-_0028_002dr_0029"></span><h4 class="subsection">1.1.20 propagationdelay option (-r)</h4>
704 <span id="index-ntpd_002dpropagationdelay"></span>
710 <span id="ntpd-saveconfigquit"></span><div class="header">
712 Next: <a href="#ntpd-statsdir" accesskey="n" rel="next">ntpd statsdir</a>, Previous: <a href="#ntpd-propagationdelay" accesskey="p" rel="prev">ntpd propagationdelay</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
714 <span id="saveconfigquit-option"></span><h4 class="subsection">1.1.21 saveconfigquit option</h4>
715 <span id="index-ntpd_002dsaveconfigquit"></span>
724 quit, wait-sync.
731 <span id="ntpd-statsdir"></span><div class="header">
733 Next: <a href="#ntpd-trustedkey" accesskey="n" rel="next">ntpd trustedkey</a>, Previous: <a href="#ntpd-saveconfigquit" accesskey="p" rel="prev">ntpd saveconfigquit</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
735 <span id="statsdir-option-_0028_002ds_0029"></span><h4 class="subsection">1.1.22 statsdir option (-s)</h4>
736 <span id="index-ntpd_002dstatsdir"></span>
741 This is the same operation as the
745 <span id="ntpd-trustedkey"></span><div class="header">
747 Next: <a href="#ntpd-user" accesskey="n" rel="next">ntpd user</a>, Previous: <a href="#ntpd-statsdir" accesskey="p" rel="prev">ntpd statsdir</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
749 <span id="trustedkey-option-_0028_002dt_0029"></span><h4 class="subsection">1.1.23 trustedkey option (-t)</h4>
750 <span id="index-ntpd_002dtrustedkey"></span>
762 <span id="ntpd-user"></span><div class="header">
764 Next: <a href="#ntpd-updateinterval" accesskey="n" rel="next">ntpd updateinterval</a>, Previous: <a href="#ntpd-trustedkey" accesskey="p" rel="prev">ntpd trustedkey</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
766 <span id="user-option-_0028_002du_0029"></span><h4 class="subsection">1.1.24 user option (-u)</h4>
767 <span id="index-ntpd_002duser"></span>
781 <code>--enable-clockctl</code>) or Linux (configure with
782 <code>--enable-linuxcaps</code>) or Solaris (configure with <code>--enable-solarisprivs</code>).
784 <span id="ntpd-updateinterval"></span><div class="header">
786 Next: <a href="#ntpd-wait_002dsync" accesskey="n" rel="next">ntpd wait-sync</a>, Previous: <a href="#ntpd-user" accesskey="p" rel="prev">ntpd user</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
788 <span id="updateinterval-option-_0028_002dU_0029"></span><h4 class="subsection">1.1.25 updateinterval option (-U)</h4>
789 <span id="index-ntpd_002dupdateinterval"></span>
798 <span id="ntpd-wait_002dsync"></span><div class="header">
800 Next: <a href="#ntpd-slew" accesskey="n" rel="next">ntpd slew</a>, Previous: <a href="#ntpd-updateinterval" accesskey="p" rel="prev">ntpd updateinterval</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
802 <span id="wait_002dsync-option-_0028_002dw_0029"></span><h4 class="subsection">1.1.26 wait-sync option (-w)</h4>
803 <span id="index-ntpd_002dwait_002dsync"></span>
824 <span id="ntpd-slew"></span><div class="header">
826 Next: <a href="#ntpd-usepcc" accesskey="n" rel="next">ntpd usepcc</a>, Previous: <a href="#ntpd-wait_002dsync" accesskey="p" rel="prev">ntpd wait-sync</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
828 <span id="slew-option-_0028_002dx_0029"></span><h4 class="subsection">1.1.27 slew option (-x)</h4>
829 <span id="index-ntpd_002dslew"></span>
837 <code>-g</code>
839 <code>-q</code>
846 <span id="ntpd-usepcc"></span><div class="header">
848 Next: <a href="#ntpd-pccfreq" accesskey="n" rel="next">ntpd pccfreq</a>, Previous: <a href="#ntpd-slew" accesskey="p" rel="prev">ntpd slew</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
850 <span id="usepcc-option"></span><h4 class="subsection">1.1.28 usepcc option</h4>
851 <span id="index-ntpd_002dusepcc"></span>
865 <span id="ntpd-pccfreq"></span><div class="header">
867 Next: <a href="#ntpd-mdns" accesskey="n" rel="next">ntpd mdns</a>, Previous: <a href="#ntpd-usepcc" accesskey="p" rel="prev">ntpd usepcc</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
869 <span id="pccfreq-option"></span><h4 class="subsection">1.1.29 pccfreq option</h4>
870 <span id="index-ntpd_002dpccfreq"></span>
884 <span id="ntpd-mdns"></span><div class="header">
886 Next: <a href="#ntpd-config" accesskey="n" rel="next">ntpd config</a>, Previous: <a href="#ntpd-pccfreq" accesskey="p" rel="prev">ntpd pccfreq</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
888 <span id="mdns-option-_0028_002dm_0029"></span><h4 class="subsection">1.1.30 mdns option (-m)</h4>
889 <span id="index-ntpd_002dmdns"></span>
903 <span id="ntpd-config"></span><div class="header">
905 Next: <a href="#ntpd-exit-status" accesskey="n" rel="next">ntpd exit status</a>, Previous: <a href="#ntpd-mdns" accesskey="p" rel="prev">ntpd mdns</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
907 <span id="presetting_002fconfiguring-ntpd"></span><h4 class="subsection">1.1.31 presetting/configuring ntpd</h4>
919 <span id="version-_0028_002d_0029"></span><h4 class="subsubheading">version (-)</h4>
939 <span id="ntpd-exit-status"></span><div class="header">
941 Next: <a href="#ntpd-Usage" accesskey="n" rel="next">ntpd Usage</a>, Previous: <a href="#ntpd-config" accesskey="p" rel="prev">ntpd config</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
943 <span id="ntpd-exit-status-1"></span><h4 class="subsection">1.1.32 ntpd exit status</h4>
951 <dd><p>The operation failed or the command syntax was not valid.
955 <span id="ntpd-Usage"></span><div class="header">
957 Next: <a href="#ntpd-Files" accesskey="n" rel="next">ntpd Files</a>, Previous: <a href="#ntpd-exit-status" accesskey="p" rel="prev">ntpd exit status</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
959 <span id="ntpd-Usage-1"></span><h4 class="subsection">1.1.33 ntpd Usage</h4>
961 <span id="ntpd-Files"></span><div class="header">
963 Next: <a href="#ntpd-See-Also" accesskey="n" rel="next">ntpd See Also</a>, Previous: <a href="#ntpd-Usage" accesskey="p" rel="prev">ntpd Usage</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
965 <span id="ntpd-Files-1"></span><h4 class="subsection">1.1.34 ntpd Files</h4>
967 <span id="ntpd-See-Also"></span><div class="header">
969 Next: <a href="#ntpd-Bugs" accesskey="n" rel="next">ntpd Bugs</a>, Previous: <a href="#ntpd-Files" accesskey="p" rel="prev">ntpd Files</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
971 <span id="ntpd-See-Also-1"></span><h4 class="subsection">1.1.35 ntpd See Also</h4>
973 <span id="ntpd-Bugs"></span><div class="header">
975 Next: <a href="#ntpd-Notes" accesskey="n" rel="next">ntpd Notes</a>, Previous: <a href="#ntpd-See-Also" accesskey="p" rel="prev">ntpd See Also</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
977 <span id="ntpd-Bugs-1"></span><h4 class="subsection">1.1.36 ntpd Bugs</h4>
979 <span id="ntpd-Notes"></span><div class="header">
981 Previous: <a href="#ntpd-Bugs" accesskey="p" rel="prev">ntpd Bugs</a>, Up: <a href="#ntpd-Invocation" accesskey="u" rel="up">ntpd Invocation</a> </p>
983 <span id="ntpd-Notes-1"></span><h4 class="subsection">1.1.37 ntpd Notes</h4>
986 <span id="Usage"></span><div class="header">
988 Previous: <a href="#ntpd-Invocation" accesskey="p" rel="prev">ntpd Invocation</a>, Up: <a href="#ntpd-Description" accesskey="u" rel="up">ntpd Description</a> </p>
990 <span id="Usage-1"></span><h3 class="section">1.2 Usage</h3>
994 <tr><td width="23%">configuration file</td><td width="23%"><code>/etc/ntp.conf</code></td><td width="5%"><code>-c</code></td><td width="15%"><code>conffile</code></td></tr>
995 <tr><td width="23%">frequency file</td><td width="23%">none</td><td width="5%"><code>-f</code></td><td width="15%"><code>driftfile</code></td></tr>
997 <tr><td width="23%">process ID file</td><td width="23%">none</td><td width="5%"><code>-p</code></td><td width="15%"><code>pidfile</code></td></tr>
998 <tr><td width="23%">log file</td><td width="23%">system log</td><td width="5%"><code>-l</code></td><td width="15%"><code>logfile</code></td></tr>
1000 <tr><td width="23%">statistics path</td><td width="23%"><code>/var/NTP</code></td><td width="5%"><code>-s</code></td><td width="15%"><code>statsdir</code></td></tr>
1001 <tr><td width="23%">keys path</td><td width="23%"><code>/usr/local/etc</code></td><td width="5%"><code>-k</code></td><td width="15%"><code>keysdir</code></td></tr>