ntpdc(1) User Commands ntpdc(1) (NAME) ntpdc - NTPD (SYNOPSIS) ntpdc [-flags] [-flag [value]] [--option-name[[=| ]value]] [ host ...] (DESCRIPTION) ntpdc . ntpq(1) - ntpdc . ntpdc ntpd(1) . NTP mode 7 . . ntpdc . ntpd ntpdc . (OPTIONS) -4, --ipv4 DNS IPv4. : ipv6. DNS IPv4 . -6, --ipv6 DNS IPv6. : ipv4. DNS IPv6 . -c cmd, --command=cmd . . () . -d, --debug-level . . -D number, --set-debug-level=number . . . -i, --interactive ntpq . : command listpeers peers showpeers. ntpq . . -l, --listpeers . : command. . 'listpeers' . -n, --numeric . (dotted-quad) . -p, --peers . : command. . 'peers' . -s, --showpeers . : command. . 'dmpeers' . -u, --unconnected UDP (unconnected) ntpd ( Windows). UDP ntpd ( Windows). -?, --help . -!, --more-help (pager). -> [cfgfile], --save-opts [=cfgfile] cfgfile. OPTION PRESETS . . -< cfgfile, --load-opts=cfgfile, --no-load-opts cfgfile. no-load-opts config/rc/ini . --no- load-opts . --version [{v|c|n}] . `v' ( ) . `c' `n' . not presettable () (<> <<.INI>>) : NTPDC_ NTPDC ( ). homerc <<$HOME>> <<.>>. .ntprc . (USAGE) ntpdc NTP localhost . ntpdc NTP localhost . ntpdc . ntpdc (mode 7) NTP NTP . NTP UDP . ntpdc (timeout) . ntpdc ntpd(1) . ntpdc . -4 DNS IPv4 -6 DNS IPv6 . -i -n () () . ntpdc ..SS " (Interactive Commands)" . . `>' . ntpdc NTP (mode 7) . . ? command_keyword help command_keyword `?' ntpdc . `?' . ntpq(1) . delay milliseconds . () . . host hostname . Hostname . hostnames [yes | no] yes . no . yes -n . keyid keyid . . quit ntpdc. passwd ( ) . NTP . timeout milliseconds . . ntpdc . NTP . . listpeers . (stratum) . peers . (0.0.0.0 ) (stratum) ( ) . . `+' (symmetric active) `-' (symmetric passive) `=' `^' (broadcast) `~' `*' . . IP REFCLK() . hostnames no IP . dmpeers . peers . . `.' (falseticker) `+' . `*' . showpeer peer_address [...] . NTP . pstats peer_address [...] () . clockstat clock_peer_address [...] . (fudge factors) . kerninfo (kernel phase- lock loop) . . loopinfo [oneline | multiline] (loop filter) . NTP . `offset' . `frequency' (ppm) . `time_const' (oscillator drift) . `watchdog timer' . oneline multiline multiline . sysinfo . NTP RFC-1305 . `system flags' enable disable . auth bclient monitor pll pps stats . ntpd(1) . : kernel_pll kernel_pps. . `kernel_pll' `kernel_pps' PPS ..sp 0u `stability' () . ppm ppm . kern.clockrate.tick . `broadcastdelay' (broadcast) broadcastdelay . `authdelay' authdelay . sysstats . memstats . iostats /. timerstats / . reslist . () . monlist [version] (monitor). . clkbug clock_peer_address [...] (reference clock). . (Runtime Configuration Requests) NTP ( ). ntpdc . keyid passwd . . . . . . . (replay attacks) (LAN) . . . . . addpeer peer_address [keyid] [version] [prefer] (symmetric active) . . keyid . 0 ( ) . version 1 2 3 3 . prefer ( ). PPS - PPS . addserver peer_address [keyid] [version] [prefer] addpeer (client) . broadcast peer_address [keyid] [version] [prefer] addpeer (broadcast) . . peer_address (multicast) NTP . . unconfig peer_address [...] (configured bit) () . . . fudge peer_address [time1] [time2] [stratum] [refid] . . enable [auth | bclient | calibrate | kernel | monitor | ntp | pps | stats].TP 7 disable [auth | bclient | calibrate | kernel | monitor | ntp | pps | stats] enable disable ntpd(1) . auth . enable . bclient (broadcast) (multicast) multicastclient . disable . calibrate (calibrate) . disable . kernel (kernel time discipline) . enable disable . monitor . monlist . enable . ntp . . enable . pps (PPS) . "A Kernel Model for Precision Timekeeping" ( HTML /usr/share/doc/ntp) . disable . stats . Monitoring Options ntp.conf(5) . disable . restrict address mask flag [...] restrict ntpd(1) . unrestrict address mask flag [...] restrict . delrestrict address mask [ntpport] restrict . readkeys ( ntpd(1) ). . trustedkey keyid [...] untrustedkey keyid [...] trustedkey untrustedkey ntpd(1) . authinfo . traps (traps) . . addtrap address [port] [interface] . . clrtrap address [port] [interface] . . reset . . OPTION PRESETS . (FILES) OPTION PRESETS . (EXIT STATUS) : 0 (EXIT_SUCCESS) . 1 (EXIT_FAILURE) . 66 (EX_NOINPUT) . 70 (EX_SOFTWARE) libopts . autogen-users@lists.sourceforge.net . . (SEE ALSO) ntp.conf(5), ntpd(1) David L. Mills, Network Time Protocol (Version 3), RFC1305 (AUTHORS) FreeBSD . (COPYRIGHT) (C) 1992-2024 The University of Delaware Network Time Foundation . NTP . (BUGS) ntpdc . . ( ) . . http://bugs.ntp.org . https://bugs.ntp.org bugs@ntp.org . (NOTES) AutoGen ntpdc . 4.2.8p18 25 May 2024 ntpdc(1)