"Fossies" - the Fresh Open Source Software Archive 
"Fossies" - the Fresh Open Source Software Archive 
4.2.8p14_vs_4.2.8p15.A hint: This file contains one or more very long lines, so maybe it is better readable using the pure text view mode that shows the contents as wrapped lines within the browser window.
1 @node ntpd Invocation 2 @section Invoking ntpd 3 @pindex ntpd 4 @cindex NTP daemon program 5 @ignore 6 # 7 # EDIT THIS FILE WITH CAUTION (invoke-ntpd.texi) 8 # 9 # It has been AutoGen-ed June 23, 2020 at 02:20:35 AM by AutoGen 5.18.5 10 # From the definitions ntpd-opts.def 11 # and the template file agtexi-cmd.tpl 12 @end ignore 13 14 15 16 The 17 @code{ntpd} 18 utility is an operating system daemon which sets 19 and maintains the system time of day in synchronism with Internet 20 standard time servers. 21 It is a complete implementation of the 22 Network Time Protocol (NTP) version 4, as defined by RFC-5905, 23 but also retains compatibility with 24 version 3, as defined by RFC-1305, and versions 1 25 and 2, as defined by RFC-1059 and RFC-1119, respectively. 26 27 The 28 @code{ntpd} 29 utility does most computations in 64-bit floating point 30 arithmetic and does relatively clumsy 64-bit fixed point operations 31 only when necessary to preserve the ultimate precision, about 232 32 picoseconds. 33 While the ultimate precision is not achievable with 34 ordinary workstations and networks of today, it may be required 35 with future gigahertz CPU clocks and gigabit LANs. 36 37 Ordinarily, 38 @code{ntpd} 39 reads the 40 @code{ntp.conf(5)} 41 configuration file at startup time in order to determine the 42 synchronization sources and operating modes. 43 It is also possible to 44 specify a working, although limited, configuration entirely on the 45 command line, obviating the need for a configuration file. 46 This may 47 be particularly useful when the local host is to be configured as a 48 broadcast/multicast client, with all peers being determined by 49 listening to broadcasts at run time. 50 51 If NetInfo support is built into 52 @code{ntpd} 53 then 54 @code{ntpd} 55 will attempt to read its configuration from the 56 NetInfo if the default 57 @code{ntp.conf(5)} 58 file cannot be read and no file is 59 specified by the 60 @code{-c} 61 option. 62 63 Various internal 64 @code{ntpd} 65 variables can be displayed and 66 configuration options altered while the 67 @code{ntpd} 68 is running 69 using the 70 @code{ntpq(1ntpqmdoc)} 71 and 72 @code{ntpdc(1ntpdcmdoc)} 73 utility programs. 74 75 When 76 @code{ntpd} 77 starts it looks at the value of 78 @code{umask(2)}, 79 and if zero 80 @code{ntpd} 81 will set the 82 @code{umask(2)} 83 to 022. 84 85 This section was generated by @strong{AutoGen}, 86 using the @code{agtexi-cmd} template and the option descriptions for the @code{ntpd} program. 87 This software is released under the NTP license, <http://ntp.org/license>. 88 89 @menu 90 * ntpd usage:: ntpd help/usage (@option{--help}) 91 * ntpd ipv4:: ipv4 option (-4) 92 * ntpd ipv6:: ipv6 option (-6) 93 * ntpd authreq:: authreq option (-a) 94 * ntpd authnoreq:: authnoreq option (-A) 95 * ntpd configfile:: configfile option (-c) 96 * ntpd driftfile:: driftfile option (-f) 97 * ntpd panicgate:: panicgate option (-g) 98 * ntpd force-step-once:: force-step-once option (-G) 99 * ntpd jaildir:: jaildir option (-i) 100 * ntpd interface:: interface option (-I) 101 * ntpd keyfile:: keyfile option (-k) 102 * ntpd logfile:: logfile option (-l) 103 * ntpd novirtualips:: novirtualips option (-L) 104 * ntpd modifymmtimer:: modifymmtimer option (-M) 105 * ntpd nice:: nice option (-N) 106 * ntpd pidfile:: pidfile option (-p) 107 * ntpd priority:: priority option (-P) 108 * ntpd quit:: quit option (-q) 109 * ntpd propagationdelay:: propagationdelay option (-r) 110 * ntpd saveconfigquit:: saveconfigquit option 111 * ntpd statsdir:: statsdir option (-s) 112 * ntpd trustedkey:: trustedkey option (-t) 113 * ntpd user:: user option (-u) 114 * ntpd updateinterval:: updateinterval option (-U) 115 * ntpd wait-sync:: wait-sync option (-w) 116 * ntpd slew:: slew option (-x) 117 * ntpd usepcc:: usepcc option 118 * ntpd pccfreq:: pccfreq option 119 * ntpd mdns:: mdns option (-m) 120 * ntpd config:: presetting/configuring ntpd 121 * ntpd exit status:: exit status 122 * ntpd Usage:: Usage 123 * ntpd Files:: Files 124 * ntpd See Also:: See Also 125 * ntpd Bugs:: Bugs 126 * ntpd Notes:: Notes 127 @end menu 128 129 @node ntpd usage 130 @subsection ntpd help/usage (@option{--help}) 131 @cindex ntpd help 132 133 This is the automatically generated usage text for ntpd. 134 135 The text printed is the same whether selected with the @code{help} option 136 (@option{--help}) or the @code{more-help} option (@option{--more-help}). @code{more-help} will print 137 the usage text by passing it through a pager program. 138 @code{more-help} is disabled on platforms without a working 139 @code{fork(2)} function. The @code{PAGER} environment variable is 140 used to select the program, defaulting to @file{more}. Both will exit 141 with a status code of 0. 142 143 @exampleindent 0 144 @example 145 ntpd - NTP daemon program - Ver. 4.2.8p15 146 Usage: ntpd [ -<flag> [<val>] | --<name>[@{=| @}<val>] ]... \ 147 [ <server1> ... <serverN> ] 148 Flg Arg Option-Name Description 149 -4 no ipv4 Force IPv4 DNS name resolution 150 - prohibits the option 'ipv6' 151 -6 no ipv6 Force IPv6 DNS name resolution 152 - prohibits the option 'ipv4' 153 -a no authreq Require crypto authentication 154 - prohibits the option 'authnoreq' 155 -A no authnoreq Do not require crypto authentication 156 - prohibits the option 'authreq' 157 -b no bcastsync Allow us to sync to broadcast servers 158 -c Str configfile configuration file name 159 -d no debug-level Increase debug verbosity level 160 - may appear multiple times 161 -D Num set-debug-level Set the debug verbosity level 162 - may appear multiple times 163 -f Str driftfile frequency drift file name 164 -g no panicgate Allow the first adjustment to be Big 165 - may appear multiple times 166 -G no force-step-once Step any initial offset correction. 167 -i --- jaildir built without --enable-clockctl or --enable-linuxcaps or --enable-solarisprivs 168 -I Str interface Listen on an interface name or address 169 - may appear multiple times 170 -k Str keyfile path to symmetric keys 171 -l Str logfile path to the log file 172 -L no novirtualips Do not listen to virtual interfaces 173 -n no nofork Do not fork 174 - prohibits the option 'wait-sync' 175 -N no nice Run at high priority 176 -p Str pidfile path to the PID file 177 -P Num priority Process priority 178 -q no quit Set the time and quit 179 - prohibits these options: 180 saveconfigquit 181 wait-sync 182 -r Str propagationdelay Broadcast/propagation delay 183 Str saveconfigquit Save parsed configuration and quit 184 - prohibits these options: 185 quit 186 wait-sync 187 -s Str statsdir Statistics file location 188 -t Str trustedkey Trusted key number 189 - may appear multiple times 190 -u --- user built without --enable-clockctl or --enable-linuxcaps or --enable-solarisprivs 191 -U Num updateinterval interval in seconds between scans for new or dropped interfaces 192 Str var make ARG an ntp variable (RW) 193 - may appear multiple times 194 Str dvar make ARG an ntp variable (RW|DEF) 195 - may appear multiple times 196 -w Num wait-sync Seconds to wait for first clock sync 197 - prohibits these options: 198 nofork 199 quit 200 saveconfigquit 201 -x no slew Slew up to 600 seconds 202 opt version output version information and exit 203 -? no help display extended usage information and exit 204 -! no more-help extended usage information passed thru pager 205 206 Options are specified by doubled hyphens and their name or by a single 207 hyphen and the flag character. 208 209 210 The following option preset mechanisms are supported: 211 - examining environment variables named NTPD_* 212 213 Please send bug reports to: <http://bugs.ntp.org, bugs@@ntp.org> 214 @end example 215 @exampleindent 4 216 217 @node ntpd ipv4 218 @subsection ipv4 option (-4) 219 @cindex ntpd-ipv4 220 221 This is the ``force ipv4 dns name resolution'' option. 222 223 @noindent 224 This option has some usage constraints. It: 225 @itemize @bullet 226 @item 227 must not appear in combination with any of the following options: 228 ipv6. 229 @end itemize 230 231 Force DNS resolution of following host names on the command line 232 to the IPv4 namespace. 233 @node ntpd ipv6 234 @subsection ipv6 option (-6) 235 @cindex ntpd-ipv6 236 237 This is the ``force ipv6 dns name resolution'' option. 238 239 @noindent 240 This option has some usage constraints. It: 241 @itemize @bullet 242 @item 243 must not appear in combination with any of the following options: 244 ipv4. 245 @end itemize 246 247 Force DNS resolution of following host names on the command line 248 to the IPv6 namespace. 249 @node ntpd authreq 250 @subsection authreq option (-a) 251 @cindex ntpd-authreq 252 253 This is the ``require crypto authentication'' option. 254 255 @noindent 256 This option has some usage constraints. It: 257 @itemize @bullet 258 @item 259 must not appear in combination with any of the following options: 260 authnoreq. 261 @end itemize 262 263 Require cryptographic authentication for broadcast client, 264 multicast client and symmetric passive associations. 265 This is the default. 266 @node ntpd authnoreq 267 @subsection authnoreq option (-A) 268 @cindex ntpd-authnoreq 269 270 This is the ``do not require crypto authentication'' option. 271 272 @noindent 273 This option has some usage constraints. It: 274 @itemize @bullet 275 @item 276 must not appear in combination with any of the following options: 277 authreq. 278 @end itemize 279 280 Do not require cryptographic authentication for broadcast client, 281 multicast client and symmetric passive associations. 282 This is almost never a good idea. 283 @node ntpd configfile 284 @subsection configfile option (-c) 285 @cindex ntpd-configfile 286 287 This is the ``configuration file name'' option. 288 This option takes a string argument. 289 The name and path of the configuration file, 290 @file{/etc/ntp.conf} 291 by default. 292 @node ntpd driftfile 293 @subsection driftfile option (-f) 294 @cindex ntpd-driftfile 295 296 This is the ``frequency drift file name'' option. 297 This option takes a string argument. 298 The name and path of the frequency file, 299 @file{/etc/ntp.drift} 300 by default. 301 This is the same operation as the 302 @code{driftfile} @kbd{driftfile} 303 configuration specification in the 304 @file{/etc/ntp.conf} 305 file. 306 @node ntpd panicgate 307 @subsection panicgate option (-g) 308 @cindex ntpd-panicgate 309 310 This is the ``allow the first adjustment to be big'' option. 311 312 @noindent 313 This option has some usage constraints. It: 314 @itemize @bullet 315 @item 316 may appear an unlimited number of times. 317 @end itemize 318 319 Normally, 320 @code{ntpd} 321 exits with a message to the system log if the offset exceeds the panic threshold, which is 1000 s by default. This option allows the time to be set to any value without restriction; however, this can happen only once. If the threshold is exceeded after that, 322 @code{ntpd} 323 will exit with a message to the system log. This option can be used with the 324 @code{-q} 325 and 326 @code{-x} 327 options. 328 See the 329 @code{tinker} 330 configuration file directive for other options. 331 @node ntpd force-step-once 332 @subsection force-step-once option (-G) 333 @cindex ntpd-force-step-once 334 335 This is the ``step any initial offset correction.'' option. 336 Normally, 337 @code{ntpd} 338 steps the time if the time offset exceeds the step threshold, 339 which is 128 ms by default, and otherwise slews the time. 340 This option forces the initial offset correction to be stepped, 341 so the highest time accuracy can be achieved quickly. 342 However, this may also cause the time to be stepped back 343 so this option must not be used if 344 applications requiring monotonic time are running. 345 See the @code{tinker} configuration file directive for other options. 346 @node ntpd jaildir 347 @subsection jaildir option (-i) 348 @cindex ntpd-jaildir 349 350 This is the ``jail directory'' option. 351 This option takes a string argument. 352 353 @noindent 354 This option has some usage constraints. It: 355 @itemize @bullet 356 @item 357 must be compiled in by defining @code{HAVE_DROPROOT} during the compilation. 358 @end itemize 359 360 Chroot the server to the directory 361 @kbd{jaildir} 362 . 363 This option also implies that the server attempts to drop root privileges at startup. 364 You may need to also specify a 365 @code{-u} 366 option. 367 This option is only available if the OS supports adjusting the clock 368 without full root privileges. 369 This option is supported under NetBSD (configure with 370 @code{--enable-clockctl}) or Linux (configure with 371 @code{--enable-linuxcaps}) or Solaris (configure with @code{--enable-solarisprivs}). 372 @node ntpd interface 373 @subsection interface option (-I) 374 @cindex ntpd-interface 375 376 This is the ``listen on an interface name or address'' option. 377 This option takes a string argument @file{iface}. 378 379 @noindent 380 This option has some usage constraints. It: 381 @itemize @bullet 382 @item 383 may appear an unlimited number of times. 384 @end itemize 385 386 Open the network address given, or all the addresses associated with the 387 given interface name. This option may appear multiple times. This option 388 also implies not opening other addresses, except wildcard and localhost. 389 This option is deprecated. Please consider using the configuration file 390 @code{interface} command, which is more versatile. 391 @node ntpd keyfile 392 @subsection keyfile option (-k) 393 @cindex ntpd-keyfile 394 395 This is the ``path to symmetric keys'' option. 396 This option takes a string argument. 397 Specify the name and path of the symmetric key file. 398 @file{/etc/ntp.keys} 399 is the default. 400 This is the same operation as the 401 @code{keys} @kbd{keyfile} 402 configuration file directive. 403 @node ntpd logfile 404 @subsection logfile option (-l) 405 @cindex ntpd-logfile 406 407 This is the ``path to the log file'' option. 408 This option takes a string argument. 409 Specify the name and path of the log file. 410 The default is the system log file. 411 This is the same operation as the 412 @code{logfile} @kbd{logfile} 413 configuration file directive. 414 @node ntpd novirtualips 415 @subsection novirtualips option (-L) 416 @cindex ntpd-novirtualips 417 418 This is the ``do not listen to virtual interfaces'' option. 419 Do not listen to virtual interfaces, defined as those with 420 names containing a colon. This option is deprecated. Please 421 consider using the configuration file @code{interface} command, which 422 is more versatile. 423 @node ntpd modifymmtimer 424 @subsection modifymmtimer option (-M) 425 @cindex ntpd-modifymmtimer 426 427 This is the ``modify multimedia timer (windows only)'' option. 428 429 @noindent 430 This option has some usage constraints. It: 431 @itemize @bullet 432 @item 433 must be compiled in by defining @code{SYS_WINNT} during the compilation. 434 @end itemize 435 436 Set the Windows Multimedia Timer to highest resolution. This 437 ensures the resolution does not change while ntpd is running, 438 avoiding timekeeping glitches associated with changes. 439 @node ntpd nice 440 @subsection nice option (-N) 441 @cindex ntpd-nice 442 443 This is the ``run at high priority'' option. 444 To the extent permitted by the operating system, run 445 @code{ntpd} 446 at the highest priority. 447 @node ntpd pidfile 448 @subsection pidfile option (-p) 449 @cindex ntpd-pidfile 450 451 This is the ``path to the pid file'' option. 452 This option takes a string argument. 453 Specify the name and path of the file used to record 454 @code{ntpd}'s 455 process ID. 456 This is the same operation as the 457 @code{pidfile} @kbd{pidfile} 458 configuration file directive. 459 @node ntpd priority 460 @subsection priority option (-P) 461 @cindex ntpd-priority 462 463 This is the ``process priority'' option. 464 This option takes a number argument. 465 To the extent permitted by the operating system, run 466 @code{ntpd} 467 at the specified 468 @code{sched_setscheduler(SCHED_FIFO)} 469 priority. 470 @node ntpd quit 471 @subsection quit option (-q) 472 @cindex ntpd-quit 473 474 This is the ``set the time and quit'' option. 475 476 @noindent 477 This option has some usage constraints. It: 478 @itemize @bullet 479 @item 480 must not appear in combination with any of the following options: 481 saveconfigquit, wait-sync. 482 @end itemize 483 484 @code{ntpd} 485 will not daemonize and will exit after the clock is first 486 synchronized. This behavior mimics that of the 487 @code{ntpdate} 488 program, which will soon be replaced with a shell script. 489 The 490 @code{-g} 491 and 492 @code{-x} 493 options can be used with this option. 494 Note: The kernel time discipline is disabled with this option. 495 @node ntpd propagationdelay 496 @subsection propagationdelay option (-r) 497 @cindex ntpd-propagationdelay 498 499 This is the ``broadcast/propagation delay'' option. 500 This option takes a string argument. 501 Specify the default propagation delay from the broadcast/multicast server to this client. This is necessary only if the delay cannot be computed automatically by the protocol. 502 @node ntpd saveconfigquit 503 @subsection saveconfigquit option 504 @cindex ntpd-saveconfigquit 505 506 This is the ``save parsed configuration and quit'' option. 507 This option takes a string argument. 508 509 @noindent 510 This option has some usage constraints. It: 511 @itemize @bullet 512 @item 513 must be compiled in by defining @code{SAVECONFIG} during the compilation. 514 @item 515 must not appear in combination with any of the following options: 516 quit, wait-sync. 517 @end itemize 518 519 Cause @code{ntpd} to parse its startup configuration file and save an 520 equivalent to the given filename and exit. This option was 521 designed for automated testing. 522 @node ntpd statsdir 523 @subsection statsdir option (-s) 524 @cindex ntpd-statsdir 525 526 This is the ``statistics file location'' option. 527 This option takes a string argument. 528 Specify the directory path for files created by the statistics facility. 529 This is the same operation as the 530 @code{statsdir} @kbd{statsdir} 531 configuration file directive. 532 @node ntpd trustedkey 533 @subsection trustedkey option (-t) 534 @cindex ntpd-trustedkey 535 536 This is the ``trusted key number'' option. 537 This option takes a string argument @file{tkey}. 538 539 @noindent 540 This option has some usage constraints. It: 541 @itemize @bullet 542 @item 543 may appear an unlimited number of times. 544 @end itemize 545 546 Add the specified key number to the trusted key list. 547 @node ntpd user 548 @subsection user option (-u) 549 @cindex ntpd-user 550 551 This is the ``run as userid (or userid:groupid)'' option. 552 This option takes a string argument. 553 554 @noindent 555 This option has some usage constraints. It: 556 @itemize @bullet 557 @item 558 must be compiled in by defining @code{HAVE_DROPROOT} during the compilation. 559 @end itemize 560 561 Specify a user, and optionally a group, to switch to. 562 This option is only available if the OS supports adjusting the clock 563 without full root privileges. 564 This option is supported under NetBSD (configure with 565 @code{--enable-clockctl}) or Linux (configure with 566 @code{--enable-linuxcaps}) or Solaris (configure with @code{--enable-solarisprivs}). 567 @node ntpd updateinterval 568 @subsection updateinterval option (-U) 569 @cindex ntpd-updateinterval 570 571 This is the ``interval in seconds between scans for new or dropped interfaces'' option. 572 This option takes a number argument. 573 Give the time in seconds between two scans for new or dropped interfaces. 574 For systems with routing socket support the scans will be performed shortly after the interface change 575 has been detected by the system. 576 Use 0 to disable scanning. 60 seconds is the minimum time between scans. 577 @node ntpd wait-sync 578 @subsection wait-sync option (-w) 579 @cindex ntpd-wait-sync 580 581 This is the ``seconds to wait for first clock sync'' option. 582 This option takes a number argument. 583 584 @noindent 585 This option has some usage constraints. It: 586 @itemize @bullet 587 @item 588 must be compiled in by defining @code{HAVE_WORKING_FORK} during the compilation. 589 @item 590 must not appear in combination with any of the following options: 591 nofork, quit, saveconfigquit. 592 @end itemize 593 594 If greater than zero, alters @code{ntpd}'s behavior when forking to 595 daemonize. Instead of exiting with status 0 immediately after 596 the fork, the parent waits up to the specified number of 597 seconds for the child to first synchronize the clock. The exit 598 status is zero (success) if the clock was synchronized, 599 otherwise it is @code{ETIMEDOUT}. 600 This provides the option for a script starting @code{ntpd} to easily 601 wait for the first set of the clock before proceeding. 602 @node ntpd slew 603 @subsection slew option (-x) 604 @cindex ntpd-slew 605 606 This is the ``slew up to 600 seconds'' option. 607 Normally, the time is slewed if the offset is less than the step threshold, which is 128 ms by default, and stepped if above the threshold. 608 This option sets the threshold to 600 s, which is well within the accuracy window to set the clock manually. 609 Note: Since the slew rate of typical Unix kernels is limited to 0.5 ms/s, each second of adjustment requires an amortization interval of 2000 s. 610 Thus, an adjustment as much as 600 s will take almost 14 days to complete. 611 This option can be used with the 612 @code{-g} 613 and 614 @code{-q} 615 options. 616 See the 617 @code{tinker} 618 configuration file directive for other options. 619 Note: The kernel time discipline is disabled with this option. 620 @node ntpd usepcc 621 @subsection usepcc option 622 @cindex ntpd-usepcc 623 624 This is the ``use cpu cycle counter (windows only)'' option. 625 626 @noindent 627 This option has some usage constraints. It: 628 @itemize @bullet 629 @item 630 must be compiled in by defining @code{SYS_WINNT} during the compilation. 631 @end itemize 632 633 Attempt to substitute the CPU counter for @code{QueryPerformanceCounter}. 634 The CPU counter and @code{QueryPerformanceCounter} are compared, and if 635 they have the same frequency, the CPU counter (RDTSC on x86) is 636 used directly, saving the overhead of a system call. 637 @node ntpd pccfreq 638 @subsection pccfreq option 639 @cindex ntpd-pccfreq 640 641 This is the ``force cpu cycle counter use (windows only)'' option. 642 This option takes a string argument. 643 644 @noindent 645 This option has some usage constraints. It: 646 @itemize @bullet 647 @item 648 must be compiled in by defining @code{SYS_WINNT} during the compilation. 649 @end itemize 650 651 Force substitution the CPU counter for @code{QueryPerformanceCounter}. 652 The CPU counter (RDTSC on x86) is used unconditionally with the 653 given frequency (in Hz). 654 @node ntpd mdns 655 @subsection mdns option (-m) 656 @cindex ntpd-mdns 657 658 This is the ``register with mdns as a ntp server'' option. 659 660 @noindent 661 This option has some usage constraints. It: 662 @itemize @bullet 663 @item 664 must be compiled in by defining @code{HAVE_DNSREGISTRATION} during the compilation. 665 @end itemize 666 667 Registers as an NTP server with the local mDNS server which allows 668 the server to be discovered via mDNS client lookup. 669 670 671 @node ntpd config 672 @subsection presetting/configuring ntpd 673 674 Any option that is not marked as @i{not presettable} may be preset by 675 loading values from environment variables named @code{NTPD} and @code{NTPD_<OPTION_NAME>}. @code{<OPTION_NAME>} must be one of 676 the options listed above in upper case and segmented with underscores. 677 The @code{NTPD} variable will be tokenized and parsed like 678 the command line. The remaining variables are tested for existence and their 679 values are treated like option arguments. 680 681 682 The command line options relating to configuration and/or usage help are: 683 684 @subsubheading version (-) 685 686 Print the program version to standard out, optionally with licensing 687 information, then exit 0. The optional argument specifies how much licensing 688 detail to provide. The default is to print just the version. The licensing infomation may be selected with an option argument. 689 Only the first letter of the argument is examined: 690 691 @table @samp 692 @item version 693 Only print the version. This is the default. 694 @item copyright 695 Name the copyright usage licensing terms. 696 @item verbose 697 Print the full copyright usage licensing terms. 698 @end table 699 700 @node ntpd exit status 701 @subsection ntpd exit status 702 703 One of the following exit values will be returned: 704 @table @samp 705 @item 0 (EXIT_SUCCESS) 706 Successful program execution. 707 @item 1 (EXIT_FAILURE) 708 The operation failed or the command syntax was not valid. 709 @end table 710 @node ntpd Usage 711 @subsection ntpd Usage 712 @node ntpd Files 713 @subsection ntpd Files 714 @node ntpd See Also 715 @subsection ntpd See Also 716 @node ntpd Bugs 717 @subsection ntpd Bugs 718 @node ntpd Notes 719 @subsection ntpd Notes