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|
.de1 NOP
. it 1 an-trap
. if \\n[.$] \,\\$*\/
..
.ie t \
.ds B-Font [CB]
.ds I-Font [CI]
.ds R-Font [CR]
.el \
.ds B-Font B
.ds I-Font I
.ds R-Font R
.TH ntpq 1ntpqman "21 Mar 2017" "4.2.8p10" "User Commands"
.\"
.\" EDIT THIS FILE WITH CAUTION (/tmp/.ag-P4aWgw/ag-p5aWew)
.\"
.\" It has been AutoGen-ed March 21, 2017 at 10:45:26 AM by AutoGen 5.18.5
.\" From the definitions ntpq-opts.def
.\" and the template file agman-cmd.tpl
.SH NAME
\f\*[B-Font]ntpq\fP
\- standard NTP query program
.SH SYNOPSIS
\f\*[B-Font]ntpq\fP
.\" Mixture of short (flag) options and long options
[\f\*[B-Font]\-flags\f[]]
[\f\*[B-Font]\-flag\f[] [\f\*[I-Font]value\f[]]]
[\f\*[B-Font]\-\-option-name\f[][[=| ]\f\*[I-Font]value\f[]]]
[ host ...]
.sp \n(Ppu
.ne 2
.SH DESCRIPTION
The
\f\*[B-Font]ntpq\fP
utility program is used to query NTP servers which
implement the standard NTP mode 6 control message formats defined
in Appendix B of the NTPv3 specification RFC1305, requesting
information about current state and/or changes in that state.
The same formats are used in NTPv4, although some of the
variables have changed and new ones added. The description on this
page is for the NTPv4 variables.
The program may be run either in interactive mode or controlled using
command line arguments.
Requests to read and write arbitrary
variables can be assembled, with raw and pretty-printed output
options being available.
The
\f\*[B-Font]ntpq\fP
utility can also obtain and print a
list of peers in a common format by sending multiple queries to the
server.
If one or more request options is included on the command line
when
\f\*[B-Font]ntpq\fP
is executed, each of the requests will be sent
to the NTP servers running on each of the hosts given as command
line arguments, or on localhost by default.
If no request options
are given,
\f\*[B-Font]ntpq\fP
will attempt to read commands from the
standard input and execute these on the NTP server running on the
first host given on the command line, again defaulting to localhost
when no other host is specified.
The
\f\*[B-Font]ntpq\fP
utility will prompt for
commands if the standard input is a terminal device.
\f\*[B-Font]ntpq\fP
uses NTP mode 6 packets to communicate with the
NTP server, and hence can be used to query any compatible server on
the network which permits it.
Note that since NTP is a UDP protocol
this communication will be somewhat unreliable, especially over
large distances in terms of network topology.
The
\f\*[B-Font]ntpq\fP
utility makes
one attempt to retransmit requests, and will time requests out if
the remote host is not heard from within a suitable timeout
time.
Specifying a
command line option other than
\f\*[B-Font]\-i\f[]
or
\f\*[B-Font]\-n\f[]
will
cause the specified query (queries) to be sent to the indicated
host(s) immediately.
Otherwise,
\f\*[B-Font]ntpq\fP
will attempt to read
interactive format commands from the standard input.
.SS "Internal Commands"
Interactive format commands consist of a keyword followed by zero
to four arguments.
Only enough characters of the full keyword to
uniquely identify the command need be typed.
A
number of interactive format commands are executed entirely within
the
\f\*[B-Font]ntpq\fP
utility itself and do not result in NTP mode 6
requests being sent to a server.
These are described following.
.TP 20
.NOP \f\*[B-Font]?\f[] [\f\*[I-Font]command_keyword\f[]]
.br
.ns
.TP 20
.NOP \f\*[B-Font]help\f[] [\f\*[I-Font]command_keyword\f[]]
A
\[oq]\&?\[cq]
by itself will print a list of all the command
keywords known to this incarnation of
\f\*[B-Font]ntpq\fP.
A
\[oq]\&?\[cq]
followed by a command keyword will print function and usage
information about the command.
This command is probably a better
source of information about
\f\*[B-Font]ntpq\fP
than this manual
page.
.br
.ns
.TP 20
.NOP \f\*[B-Font]addvars\f[] \f\*[I-Font]variable_name\f[][\f\*[B-Font]=value\f[]] \f\*[B-Font]...\f[]
.br
.ns
.TP 20
.NOP \f\*[B-Font]rmvars\f[] \f\*[I-Font]variable_name\f[] \f\*[B-Font]...\f[]
.br
.ns
.TP 20
.NOP \f\*[B-Font]clearvars\f[]
.br
.ns
.TP 20
.NOP \f\*[B-Font]showvars\f[]
The data carried by NTP mode 6 messages consists of a list of
items of the form
\[oq]variable_name=value\[cq],
where the
\[oq]=value\[cq]
is ignored, and can be omitted,
in requests to the server to read variables.
The
\f\*[B-Font]ntpq\fP
utility maintains an internal list in which data to be included in control
messages can be assembled, and sent using the
\f\*[B-Font]readlist\f[]
and
\f\*[B-Font]writelist\f[]
commands described below.
The
\f\*[B-Font]addvars\f[]
command allows variables and their optional values to be added to
the list.
If more than one variable is to be added, the list should
be comma-separated and not contain white space.
The
\f\*[B-Font]rmvars\f[]
command can be used to remove individual variables from the list,
while the
\f\*[B-Font]clearlist\f[]
command removes all variables from the
list.
The
\f\*[B-Font]showvars\f[]
command displays the current list of optional variables.
.br
.ns
.TP 20
.NOP \f\*[B-Font]authenticate\f[] [yes | no]
Normally
\f\*[B-Font]ntpq\fP
does not authenticate requests unless
they are write requests.
The command
\[oq]authenticate yes\[cq]
causes
\f\*[B-Font]ntpq\fP
to send authentication with all requests it
makes.
Authenticated requests causes some servers to handle
requests slightly differently, and can occasionally melt the CPU in
fuzzballs if you turn authentication on before doing a
\f\*[B-Font]peer\f[]
display.
The command
\[oq]authenticate\[cq]
causes
\f\*[B-Font]ntpq\fP
to display whether or not
\f\*[B-Font]ntpq\fP
is currently autheinticating requests.
.br
.ns
.TP 20
.NOP \f\*[B-Font]cooked\f[]
Causes output from query commands to be "cooked", so that
variables which are recognized by
\f\*[B-Font]ntpq\fP
will have their
values reformatted for human consumption.
Variables which
\f\*[B-Font]ntpq\fP
thinks should have a decodable value but didn't are
marked with a trailing
\[oq]\&?\[cq].
.br
.ns
.TP 20
.NOP \f\*[B-Font]debug\f[] [\f\*[B-Font]more\f[] | \f\*[B-Font]less\f[] | \f\*[B-Font]off\f[]]
With no argument, displays the current debug level.
Otherwise, the debug level is changed to the indicated level.
.br
.ns
.TP 20
.NOP \f\*[B-Font]delay\f[] \f\*[I-Font]milliseconds\f[]
Specify a time interval to be added to timestamps included in
requests which require authentication.
This is used to enable
(unreliable) server reconfiguration over long delay network paths
or between machines whose clocks are unsynchronized.
Actually the
server does not now require timestamps in authenticated requests,
so this command may be obsolete.
.br
.ns
.TP 20
.NOP \f\*[B-Font]exit\f[]
Exit
\f\*[B-Font]ntpq\fP.
.br
.ns
.TP 20
.NOP \f\*[B-Font]host\f[] \f\*[I-Font]hostname\f[]
Set the host to which future queries will be sent.
\f\*[I-Font]hostname\f[]
may be either a host name or a numeric address.
.br
.ns
.TP 20
.NOP \f\*[B-Font]hostnames\f[] [\f\*[B-Font]yes\f[] | \f\*[B-Font]no\f[]]
If
\f\*[B-Font]yes\f[]
is specified, host names are printed in
information displays.
If
\f\*[B-Font]no\f[]
is specified, numeric
addresses are printed instead.
The default is
\f\*[B-Font]yes\f[],
unless
modified using the command line
\f\*[B-Font]\-n\f[]
switch.
.br
.ns
.TP 20
.NOP \f\*[B-Font]keyid\f[] \f\*[I-Font]keyid\f[]
This command allows the specification of a key number to be
used to authenticate configuration requests.
This must correspond
to the
\f\*[B-Font]controlkey\f[]
key number the server has been configured to use for this
purpose.
.br
.ns
.TP 20
.NOP \f\*[B-Font]keytype\f[] [\f\*[B-Font]md5\f[] | \f\*[B-Font]OpenSSLDigestType\f[]]
Specify the type of key to use for authenticating requests.
\f\*[B-Font]md5\f[]
is alway supported.
If
\f\*[B-Font]ntpq\fP
was built with OpenSSL support,
any digest type supported by OpenSSL can also be provided.
If no argument is given, the current
\f\*[B-Font]keytype\f[]
is displayed.
.br
.ns
.TP 20
.NOP \f\*[B-Font]ntpversion\f[] [\f\*[B-Font]1\f[] | \f\*[B-Font]2\f[] | \f\*[B-Font]3\f[] | \f\*[B-Font]4\f[]]
Sets the NTP version number which
\f\*[B-Font]ntpq\fP
claims in
packets.
Defaults to 3, and note that mode 6 control messages (and
modes, for that matter) didn't exist in NTP version 1.
There appear
to be no servers left which demand version 1.
With no argument, displays the current NTP version that will be used
when communicating with servers.
.br
.ns
.TP 20
.NOP \f\*[B-Font]passwd\f[]
This command prompts you to type in a password (which will not
be echoed) which will be used to authenticate configuration
requests.
The password must correspond to the key configured for
use by the NTP server for this purpose if such requests are to be
successful.
.\" Not yet implemented.
.\" .It Ic poll
.\" .Op Ar n
.\" .Op Ic verbose
.\" Poll an NTP server in client mode
.\" .Ar n
.\" times.
.br
.ns
.TP 20
.NOP \f\*[B-Font]quit\f[]
Exit
\f\*[B-Font]ntpq\fP.
.br
.ns
.TP 20
.NOP \f\*[B-Font]raw\f[]
Causes all output from query commands is printed as received
from the remote server.
The only formating/interpretation done on
the data is to transform nonascii data into a printable (but barely
understandable) form.
.br
.ns
.TP 20
.NOP \f\*[B-Font]timeout\f[] \f\*[I-Font]milliseconds\f[]
Specify a timeout period for responses to server queries.
The
default is about 5000 milliseconds.
Note that since
\f\*[B-Font]ntpq\fP
retries each query once after a timeout, the total waiting time for
a timeout will be twice the timeout value set.
.br
.ns
.TP 20
.NOP \f\*[B-Font]version\f[]
Print the version of the
\f\*[B-Font]ntpq\fP
program.
.PP
.SS "Control Message Commands"
Association IDs are used to identify system, peer and clock variables.
System variables are assigned an association ID of zero and system name space, while each association is assigned a nonzero association ID and peer namespace.
Most control commands send a single mode-6 message to the server and expect a single response message.
The exceptions are the
\f[C]peers\f[]
command, which sends a series of messages,
and the
\f[C]mreadlist\f[]
and
\f[C]mreadvar\f[]
commands, which iterate over a range of associations.
.TP 10
.NOP \f\*[B-Font]associations\f[]
Display a list of mobilized associations in the form:
.Dl ind assid status conf reach auth condition last_event cnt
.RS
.IP \fB\(bu\fP 2
.IP \fB\(bu\fP 2 \f[C]ind\f[] \f[C]Ta\f[] \f[C]index\f[] \f[C]on\f[] \f[C]this\f[] \f[C]list\f[]
.IP \fB\(bu\fP 2 \f[C]assid\f[] \f[C]Ta\f[] \f[C]association\f[] \f[C]ID\f[]
.IP \fB\(bu\fP 2 \f[C]status\f[] \f[C]Ta\f[] \f[C]peer\f[] \f[C]status\f[] \f[C]word\f[]
.IP \fB\(bu\fP 2 \f[C]conf\f[] \f[C]Ta\f[] \f[C]yes\f[]: \f[C]persistent,\f[] \f[C]no\f[]: \f[C]ephemeral\f[]
.IP \fB\(bu\fP 2 \f[C]reach\f[] \f[C]Ta\f[] \f[C]yes\f[]: \f[C]reachable,\f[] \f[C]no\f[]: \f[C]unreachable\f[]
.IP \fB\(bu\fP 2 \f[C]auth\f[] \f[C]Ta\f[] \f[C]ok\f[], \f[C]yes\f[], \f[C]bad\f[] \f[C]and\f[] \f[C]none\f[]
.IP \fB\(bu\fP 2 \f[C]condition\f[] \f[C]Ta\f[] \f[C]selection\f[] \f[C]status\f[] \f[C](see\f[] \f[C]the\f[] \f[C]select\f[] \f[C]field\f[] \f[C]of\f[] \f[C]the\f[] \f[C]peer\f[] \f[C]status\f[] \f[C]word)\f[]
.IP \fB\(bu\fP 2 \f[C]last_event\f[] \f[C]Ta\f[] \f[C]event\f[] \f[C]report\f[] \f[C](see\f[] \f[C]the\f[] \f[C]event\f[] \f[C]field\f[] \f[C]of\f[] \f[C]the\f[] \f[C]peer\f[] \f[C]status\f[] \f[C]word)\f[]
.IP \fB\(bu\fP 2 \f[C]cnt\f[] \f[C]Ta\f[] \f[C]event\f[] \f[C]count\f[] \f[C](see\f[] \f[C]the\f[] \f[C]count\f[] \f[C]field\f[] \f[C]of\f[] \f[C]the\f[] \f[C]peer\f[] \f[C]status\f[] \f[C]word)\f[]
.RE
.br
.ns
.TP 10
.NOP \f\*[B-Font]authinfo\f[]
Display the authentication statistics.
.br
.ns
.TP 10
.NOP \f\*[B-Font]clockvar\f[] \f\*[I-Font]assocID\f[] [\f\*[I-Font]name\f[][\f\*[B-Font]=\f[]\f\*[I-Font]value\f[]] [] ...]
.br
.ns
.TP 10
.NOP \f\*[B-Font]cv\f[] \f\*[I-Font]assocID\f[] [\f\*[I-Font]name\f[][\f\*[B-Font]=\f[]\f\*[I-Font]value\f[]] [] ...]
Display a list of clock variables for those associations supporting a reference clock.
.br
.ns
.TP 10
.NOP \f\*[B-Font]:config\f[] [...]
Send the remainder of the command line, including whitespace, to the server as a run-time configuration command in the same format as a line in the configuration file. This command is experimental until further notice and clarification. Authentication is of course required.
.br
.ns
.TP 10
.NOP \f\*[B-Font]config-from-file\f[] \f\*[I-Font]filename\f[]
Send the each line of
\f\*[I-Font]filename\f[]
to the server as run-time configuration commands in the same format as a line in the configuration file. This command is experimental until further notice and clarification. Authentication is required.
.br
.ns
.TP 10
.NOP \f\*[B-Font]ifstats\f[]
Display statistics for each local network address. Authentication is required.
.br
.ns
.TP 10
.NOP \f\*[B-Font]iostats\f[]
Display network and reference clock I/O statistics.
.br
.ns
.TP 10
.NOP \f\*[B-Font]kerninfo\f[]
Display kernel loop and PPS statistics. As with other ntpq output, times are in milliseconds. The precision value displayed is in milliseconds as well, unlike the precision system variable.
.br
.ns
.TP 10
.NOP \f\*[B-Font]lassociations\f[]
Perform the same function as the associations command, except display mobilized and unmobilized associations.
.br
.ns
.TP 10
.NOP \f\*[B-Font]lopeers\f[] [\f\*[B-Font]\-4\f[] | \f\*[B-Font]\-6\f[]]
Obtain and print a list of all peers and clients showing
\f\*[I-Font]dstadr\f[]
(associated with any given IP version).
.br
.ns
.TP 10
.NOP \f\*[B-Font]lpeers\f[] [\f\*[B-Font]\-4\f[] | \f\*[B-Font]\-6\f[]]
Print a peer spreadsheet for the appropriate IP version(s).
\f\*[I-Font]dstadr\f[]
(associated with any given IP version).
.br
.ns
.TP 10
.NOP \f\*[B-Font]monstats\f[]
Display monitor facility statistics.
.br
.ns
.TP 10
.NOP \f\*[B-Font]mrulist\f[] [\f\*[B-Font]limited\f[] | \f\*[B-Font]kod\f[] | \f\*[B-Font]mincount\f[]=\f\*[I-Font]count\f[] | \f\*[B-Font]laddr\f[]=\f\*[I-Font]localaddr\f[] | \f\*[B-Font]sort\f[]=\f\*[I-Font]sortorder\f[] | \f\*[B-Font]resany\f[]=\f\*[I-Font]hexmask\f[] | \f\*[B-Font]resall\f[]=\f\*[I-Font]hexmask\f[]]
Obtain and print traffic counts collected and maintained by the monitor facility.
With the exception of
\f\*[B-Font]sort\f[]=\f\*[I-Font]sortorder\f[],
the options filter the list returned by
\f\*[B-Font]ntpd.\f[]
The
\f\*[B-Font]limited\f[]
and
\f\*[B-Font]kod\f[]
options return only entries representing client addresses from which the last packet received triggered either discarding or a KoD response.
The
\f\*[B-Font]mincount\f[]=\f\*[I-Font]count\f[]
option filters entries representing less than
\f\*[I-Font]count\f[]
packets.
The
\f\*[B-Font]laddr\f[]=\f\*[I-Font]localaddr\f[]
option filters entries for packets received on any local address other than
\f\*[I-Font]localaddr\f[].
\f\*[B-Font]resany\f[]=\f\*[I-Font]hexmask\f[]
and
\f\*[B-Font]resall\f[]=\f\*[I-Font]hexmask\f[]
filter entries containing none or less than all, respectively, of the bits in
\f\*[I-Font]hexmask\f[],
which must begin with
\f\*[B-Font]0x\f[].
The
\f\*[I-Font]sortorder\f[]
defaults to
\f\*[B-Font]lstint\f[]
and may be any of
\f\*[B-Font]addr\f[],
\f\*[B-Font]count\f[],
\f\*[B-Font]avgint\f[],
\f\*[B-Font]lstint\f[],
or any of those preceded by a minus sign (hyphen) to reverse the sort order.
The output columns are:
.RS
.TP 10
.NOP Column
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font]lstint\f[]
Interval in s between the receipt of the most recent packet from this address and the completion of the retrieval of the MRU list by
\f\*[B-Font]ntpq\fP.
.br
.ns
.TP 10
.NOP \f\*[B-Font]avgint\f[]
Average interval in s between packets from this address.
.br
.ns
.TP 10
.NOP \f\*[B-Font]rstr\f[]
Restriction flags associated with this address.
Most are copied unchanged from the matching
\f\*[B-Font]restrict\f[]
command, however 0x400 (kod) and 0x20 (limited) flags are cleared unless the last packet from this address triggered a rate control response.
.br
.ns
.TP 10
.NOP \f\*[B-Font]r\f[]
Rate control indicator, either
a period,
\f\*[B-Font]L\f[]
or
\f\*[B-Font]K\f[]
for no rate control response,
rate limiting by discarding, or rate limiting with a KoD response, respectively.
.br
.ns
.TP 10
.NOP \f\*[B-Font]m\f[]
Packet mode.
.br
.ns
.TP 10
.NOP \f\*[B-Font]v\f[]
Packet version number.
.br
.ns
.TP 10
.NOP \f\*[B-Font]count\f[]
Packets received from this address.
.br
.ns
.TP 10
.NOP \f\*[B-Font]rport\f[]
Source port of last packet from this address.
.br
.ns
.TP 10
.NOP \f\*[B-Font]remote\f[] \f\*[B-Font]address\f[]
DNS name, numeric address, or address followed by
claimed DNS name which could not be verified in parentheses.
.RE
.br
.ns
.TP 10
.NOP \f\*[B-Font]mreadvar\f[] \f\*[B-Font]assocID\f[] \f\*[B-Font]assocID\f[] [\f\*[I-Font]variable_name\f[][=\f\*[I-Font]value\f[]]] ...
.br
.ns
.TP 10
.NOP \f\*[B-Font]mrv\f[] \f\*[B-Font]assocID\f[] \f\*[B-Font]assocID\f[] [\f\*[I-Font]variable_name\f[][=\f\*[I-Font]value\f[]]] ...
Perform the same function as the
\f\*[B-Font]readvar\f[]
command, except for a range of association IDs.
This range is determined from the association list cached by the most recent
\f\*[B-Font]associations\f[]
command.
.br
.ns
.TP 10
.NOP \f\*[B-Font]opeers\f[] [\f\*[B-Font]\-4\f[] | \f\*[B-Font]\-6\f[]]
Obtain and print the old-style list of all peers and clients showing
\f\*[I-Font]dstadr\f[]
(associated with any given IP version),
rather than the
\f\*[I-Font]refid\f[].
.br
.ns
.TP 10
.NOP \f\*[B-Font]passociations\f[]
Perform the same function as the
\f\*[B-Font]associations\f[]
command,
except that it uses previously stored data rather than making a new query.
.br
.ns
.TP 10
.NOP \f\*[B-Font]peers\f[]
Display a list of peers in the form:
.Dl [tally]remote refid st t when pool reach delay offset jitter
.RS
.TP 10
.NOP Variable
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font][tally]\f[]
single-character code indicating current value of the
\f\*[B-Font]select\f[]
field of the
.Lk decode.html#peer "peer status word"
.br
.ns
.TP 10
.NOP \f\*[B-Font]remote\f[]
host name (or IP number) of peer.
The value displayed will be truncated to 15 characters unless the
\f\*[B-Font]\-w\f[]
flag is given, in which case the full value will be displayed
on the first line,
and the remaining data is displayed on the next line.
.br
.ns
.TP 10
.NOP \f\*[B-Font]refid\f[]
association ID or
.Lk decode.html#kiss "'kiss code"
.br
.ns
.TP 10
.NOP \f\*[B-Font]st\f[]
stratum
.br
.ns
.TP 10
.NOP \f\*[B-Font]t\f[]
\f\*[B-Font]u\f[]:
unicast or manycast client,
\f\*[B-Font]b\f[]:
broadcast or multicast client,
\f\*[B-Font]l\f[]:
local (reference clock),
\f\*[B-Font]s\f[]:
symmetric (peer),
\f\*[B-Font]A\f[]:
manycast server,
\f\*[B-Font]B\f[]:
broadcast server,
\f\*[B-Font]M\f[]:
multicast server
.br
.ns
.TP 10
.NOP \f\*[B-Font]when\f[]
sec/min/hr since last received packet
.br
.ns
.TP 10
.NOP \f\*[B-Font]poll\f[]
poll interval (log2 s)
.br
.ns
.TP 10
.NOP \f\*[B-Font]reach\f[]
reach shift register (octal)
.br
.ns
.TP 10
.NOP \f\*[B-Font]delay\f[]
roundtrip delay
.br
.ns
.TP 10
.NOP \f\*[B-Font]offset\f[]
offset of server relative to this host
.br
.ns
.TP 10
.NOP \f\*[B-Font]jitter\f[]
jitter
.RE
.br
.ns
.TP 10
.NOP \f\*[B-Font]apeers\f[]
Display a list of peers in the form:
.Dl [tally]remote refid assid st t when pool reach delay offset jitter
where the output is just like the
\f\*[B-Font]peers\f[]
command except that the
\f\*[B-Font]refid\f[]
is displayed in hex format and the association number is also displayed.
.br
.ns
.TP 10
.NOP \f\*[B-Font]pstats\f[] \f\*[I-Font]assocID\f[]
Show the statistics for the peer with the given
\f\*[I-Font]assocID\f[].
.br
.ns
.TP 10
.NOP \f\*[B-Font]readlist\f[] \f\*[I-Font]assocID\f[]
.br
.ns
.TP 10
.NOP \f\*[B-Font]rl\f[] \f\*[I-Font]assocID\f[]
Read the system or peer variables included in the variable list.
.br
.ns
.TP 10
.NOP \f\*[B-Font]readvar\f[] \f\*[I-Font]assocID\f[] \f\*[I-Font]name\f[][=\f\*[I-Font]value\f[]] [, ...]
.br
.ns
.TP 10
.NOP \f\*[B-Font]rv\f[] \f\*[I-Font]assocID\f[] \f\*[I-Font]name\f[][=\f\*[I-Font]value\f[]] [, ...]
Display the specified variables.
If
\f\*[I-Font]assocID\f[]
is zero, the variables are from the
\fISystem\f[] \fIVariables\f[]
name space, otherwise they are from the
\fIPeer\f[] \fIVariables\f[]
name space.
The
\f\*[I-Font]assocID\f[]
is required, as the same name can occur in both spaces.
If no
\f\*[I-Font]name\f[]
is included, all operative variables in the name space are displayed.
In this case only, if the
\f\*[I-Font]assocID\f[]
is omitted, it is assumed zero.
Multiple names are specified with comma separators and without whitespace.
Note that time values are represented in milliseconds
and frequency values in parts-per-million (PPM).
Some NTP timestamps are represented in the format
YYYYMMDDTTTT ,
where YYYY is the year,
MM the month of year,
DD the day of month and
TTTT the time of day.
.br
.ns
.TP 10
.NOP \f\*[B-Font]reslist\f[]
Show the access control (restrict) list for
\f\*[B-Font]ntpq\fP.
.br
.ns
.TP 10
.NOP \f\*[B-Font]saveconfig\f[] \f\*[I-Font]filename\f[]
Write the current configuration,
including any runtime modifications given with
\f\*[B-Font]:config\f[]
or
\f\*[B-Font]config-from-file\f[],
to the ntpd host's file
\f\*[I-Font]filename\f[].
This command will be rejected by the server unless
.Lk miscopt.html#saveconfigdir "saveconfigdir"
appears in the
\f\*[B-Font]ntpd\f[]
configuration file.
\f\*[I-Font]filename\f[]
can use
\fCstrftime\f[]\fR()\f[]
format specifies to substitute the current date and time, for example,
\f\*[B-Font]q]saveconfig\f[] \f\*[B-Font]ntp-%Y%m%d-%H%M%S.confq]\f[].
The filename used is stored in system variable
\f\*[B-Font]savedconfig\f[].
Authentication is required.
.br
.ns
.TP 10
.NOP \f\*[B-Font]timerstats\f[]
Display interval timer counters.
.br
.ns
.TP 10
.NOP \f\*[B-Font]writelist\f[] \f\*[I-Font]assocID\f[]
Write the system or peer variables included in the variable list.
.br
.ns
.TP 10
.NOP \f\*[B-Font]writevar\f[] \f\*[I-Font]assocID\f[] \f\*[I-Font]name\f[]=\f\*[I-Font]value\f[] [, ...]
Write the specified variables.
If the
\f\*[I-Font]assocID\f[]
is zero, the variables are from the
\fISystem\f[] \fIVariables\f[]
name space, otherwise they are from the
\fIPeer\f[] \fIVariables\f[]
name space.
The
\f\*[I-Font]assocID\f[]
is required, as the same name can occur in both spaces.
.br
.ns
.TP 10
.NOP \f\*[B-Font]sysinfo\f[]
Display operational summary.
.br
.ns
.TP 10
.NOP \f\*[B-Font]sysstats\f[]
Print statistics counters maintained in the protocol module.
.PP
.SS Status Words and Kiss Codes
The current state of the operating program is shown
in a set of status words
maintained by the system.
Status information is also available on a per-association basis.
These words are displayed in the
\f\*[B-Font]rv\f[]
and
\f\*[B-Font]as\f[]
commands both in hexadecimal and in decoded short tip strings.
The codes, tips and short explanations are documented on the
.Lk decode.html "Event Messages and Status Words"
page.
The page also includes a list of system and peer messages,
the code for the latest of which is included in the status word.
.sp \n(Ppu
.ne 2
Information resulting from protocol machine state transitions
is displayed using an informal set of ASCII strings called
.Lk decode.html#kiss "kiss codes" .
The original purpose was for kiss-o'-death (KoD) packets
sent by the server to advise the client of an unusual condition.
They are now displayed, when appropriate,
in the reference identifier field in various billboards.
.SS System Variables
The following system variables appear in the
\f\*[B-Font]rv\f[]
billboard.
Not all variables are displayed in some configurations.
.TP 10
.NOP Variable
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font]status\f[]
.Lk decode.html#sys "system status word"
.br
.ns
.TP 10
.NOP \f\*[B-Font]version\f[]
NTP software version and build time
.br
.ns
.TP 10
.NOP \f\*[B-Font]processor\f[]
hardware platform and version
.br
.ns
.TP 10
.NOP \f\*[B-Font]system\f[]
operating system and version
.br
.ns
.TP 10
.NOP \f\*[B-Font]leap\f[]
leap warning indicator (0-3)
.br
.ns
.TP 10
.NOP \f\*[B-Font]stratum\f[]
stratum (1-15)
.br
.ns
.TP 10
.NOP \f\*[B-Font]precision\f[]
precision (log2 s)
.br
.ns
.TP 10
.NOP \f\*[B-Font]rootdelay\f[]
total roundtrip delay to the primary reference clock
.br
.ns
.TP 10
.NOP \f\*[B-Font]rootdisp\f[]
total dispersion to the primary reference clock
.br
.ns
.TP 10
.NOP \f\*[B-Font]peer\f[]
system peer association ID
.br
.ns
.TP 10
.NOP \f\*[B-Font]tc\f[]
time constant and poll exponent (log2 s) (3-17)
.br
.ns
.TP 10
.NOP \f\*[B-Font]mintc\f[]
minimum time constant (log2 s) (3-10)
.br
.ns
.TP 10
.NOP \f\*[B-Font]clock\f[]
date and time of day
.br
.ns
.TP 10
.NOP \f\*[B-Font]refid\f[]
reference ID or
.Lk decode.html#kiss "kiss code"
.br
.ns
.TP 10
.NOP \f\*[B-Font]reftime\f[]
reference time
.br
.ns
.TP 10
.NOP \f\*[B-Font]offset\f[]
combined offset of server relative to this host
.br
.ns
.TP 10
.NOP \f\*[B-Font]sys_jitter\f[]
combined system jitter
.br
.ns
.TP 10
.NOP \f\*[B-Font]frequency\f[]
frequency offset (PPM) relative to hardware clock
.br
.ns
.TP 10
.NOP \f\*[B-Font]clk_wander\f[]
clock frequency wander (PPM)
.br
.ns
.TP 10
.NOP \f\*[B-Font]clk_jitter\f[]
clock jitter
.br
.ns
.TP 10
.NOP \f\*[B-Font]tai\f[]
TAI-UTC offset (s)
.br
.ns
.TP 10
.NOP \f\*[B-Font]leapsec\f[]
NTP seconds when the next leap second is/was inserted
.br
.ns
.TP 10
.NOP \f\*[B-Font]expire\f[]
NTP seconds when the NIST leapseconds file expires
.PP
The jitter and wander statistics are exponentially-weighted RMS averages.
The system jitter is defined in the NTPv4 specification;
the clock jitter statistic is computed by the clock discipline module.
.sp \n(Ppu
.ne 2
When the NTPv4 daemon is compiled with the OpenSSL software library,
additional system variables are displayed,
including some or all of the following,
depending on the particular Autokey dance:
.TP 10
.NOP Variable
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font]host\f[]
Autokey host name for this host
.br
.ns
.TP 10
.NOP \f\*[B-Font]ident\f[]
Autokey group name for this host
.br
.ns
.TP 10
.NOP \f\*[B-Font]flags\f[]
host flags (see Autokey specification)
.br
.ns
.TP 10
.NOP \f\*[B-Font]digest\f[]
OpenSSL message digest algorithm
.br
.ns
.TP 10
.NOP \f\*[B-Font]signature\f[]
OpenSSL digest/signature scheme
.br
.ns
.TP 10
.NOP \f\*[B-Font]update\f[]
NTP seconds at last signature update
.br
.ns
.TP 10
.NOP \f\*[B-Font]cert\f[]
certificate subject, issuer and certificate flags
.br
.ns
.TP 10
.NOP \f\*[B-Font]until\f[]
NTP seconds when the certificate expires
.PP
.SS Peer Variables
The following peer variables appear in the
\f\*[B-Font]rv\f[]
billboard for each association.
Not all variables are displayed in some configurations.
.TP 10
.NOP Variable
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font]associd\f[]
association ID
.br
.ns
.TP 10
.NOP \f\*[B-Font]status\f[]
.Lk decode.html#peer "peer status word"
.br
.ns
.TP 10
.NOP \f\*[B-Font]srcadr\f[]
source (remote) IP address
.br
.ns
.TP 10
.NOP \f\*[B-Font]srcport\f[]
source (remote) port
.br
.ns
.TP 10
.NOP \f\*[B-Font]dstadr\f[]
destination (local) IP address
.br
.ns
.TP 10
.NOP \f\*[B-Font]dstport\f[]
destination (local) port
.br
.ns
.TP 10
.NOP \f\*[B-Font]leap\f[]
leap indicator (0-3)
.br
.ns
.TP 10
.NOP \f\*[B-Font]stratum\f[]
stratum (0-15)
.br
.ns
.TP 10
.NOP \f\*[B-Font]precision\f[]
precision (log2 s)
.br
.ns
.TP 10
.NOP \f\*[B-Font]rootdelay\f[]
total roundtrip delay to the primary reference clock
.br
.ns
.TP 10
.NOP \f\*[B-Font]rootdisp\f[]
total root dispersion to the primary reference clock
.br
.ns
.TP 10
.NOP \f\*[B-Font]refid\f[]
reference ID or
.Lk decode.html#kiss "kiss code"
.br
.ns
.TP 10
.NOP \f\*[B-Font]reftime\f[]
reference time
.br
.ns
.TP 10
.NOP \f\*[B-Font]reach\f[]
reach register (octal)
.br
.ns
.TP 10
.NOP \f\*[B-Font]unreach\f[]
unreach counter
.br
.ns
.TP 10
.NOP \f\*[B-Font]hmode\f[]
host mode (1-6)
.br
.ns
.TP 10
.NOP \f\*[B-Font]pmode\f[]
peer mode (1-5)
.br
.ns
.TP 10
.NOP \f\*[B-Font]hpoll\f[]
host poll exponent (log2 s) (3-17)
.br
.ns
.TP 10
.NOP \f\*[B-Font]ppoll\f[]
peer poll exponent (log2 s) (3-17)
.br
.ns
.TP 10
.NOP \f\*[B-Font]headway\f[]
headway (see
.Lk rate.html "Rate Management and the Kiss-o'-Death Packet" )
.br
.ns
.TP 10
.NOP \f\*[B-Font]flash\f[]
.Lk decode.html#flash "flash status word"
.br
.ns
.TP 10
.NOP \f\*[B-Font]offset\f[]
filter offset
.br
.ns
.TP 10
.NOP \f\*[B-Font]delay\f[]
filter delay
.br
.ns
.TP 10
.NOP \f\*[B-Font]dispersion\f[]
filter dispersion
.br
.ns
.TP 10
.NOP \f\*[B-Font]jitter\f[]
filter jitter
.br
.ns
.TP 10
.NOP \f\*[B-Font]ident\f[]
Autokey group name for this association
.br
.ns
.TP 10
.NOP \f\*[B-Font]bias\f[]
unicast/broadcast bias
.br
.ns
.TP 10
.NOP \f\*[B-Font]xleave\f[]
interleave delay (see
.Lk xleave.html "NTP Interleaved Modes" )
.PP
The
\f\*[B-Font]bias\f[]
variable is calculated when the first broadcast packet is received
after the calibration volley.
It represents the offset of the broadcast subgraph relative to the unicast subgraph.
The
\f\*[B-Font]xleave\f[]
variable appears only for the interleaved symmetric and interleaved modes.
It represents the internal queuing, buffering and transmission delays
for the preceding packet.
.sp \n(Ppu
.ne 2
When the NTPv4 daemon is compiled with the OpenSSL software library,
additional peer variables are displayed, including the following:
.TP 10
.NOP Variable
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font]flags\f[]
peer flags (see Autokey specification)
.br
.ns
.TP 10
.NOP \f\*[B-Font]host\f[]
Autokey server name
.br
.ns
.TP 10
.NOP \f\*[B-Font]flags\f[]
peer flags (see Autokey specification)
.br
.ns
.TP 10
.NOP \f\*[B-Font]signature\f[]
OpenSSL digest/signature scheme
.br
.ns
.TP 10
.NOP \f\*[B-Font]initsequence\f[]
initial key ID
.br
.ns
.TP 10
.NOP \f\*[B-Font]initkey\f[]
initial key index
.br
.ns
.TP 10
.NOP \f\*[B-Font]timestamp\f[]
Autokey signature timestamp
.PP
.SS Clock Variables
The following clock variables appear in the
\f\*[B-Font]cv\f[]
billboard for each association with a reference clock.
Not all variables are displayed in some configurations.
.TP 10
.NOP Variable
Description
.br
.ns
.TP 10
.NOP \f\*[B-Font]associd\f[]
association ID
.br
.ns
.TP 10
.NOP \f\*[B-Font]status\f[]
.Lk decode.html#clock "clock status word"
.br
.ns
.TP 10
.NOP \f\*[B-Font]device\f[]
device description
.br
.ns
.TP 10
.NOP \f\*[B-Font]timecode\f[]
ASCII time code string (specific to device)
.br
.ns
.TP 10
.NOP \f\*[B-Font]poll\f[]
poll messages sent
.br
.ns
.TP 10
.NOP \f\*[B-Font]noreply\f[]
no reply
.br
.ns
.TP 10
.NOP \f\*[B-Font]badformat\f[]
bad format
.br
.ns
.TP 10
.NOP \f\*[B-Font]baddata\f[]
bad date or time
.br
.ns
.TP 10
.NOP \f\*[B-Font]fudgetime1\f[]
fudge time 1
.br
.ns
.TP 10
.NOP \f\*[B-Font]fudgetime2\f[]
fudge time 2
.br
.ns
.TP 10
.NOP \f\*[B-Font]stratum\f[]
driver stratum
.br
.ns
.TP 10
.NOP \f\*[B-Font]refid\f[]
driver reference ID
.br
.ns
.TP 10
.NOP \f\*[B-Font]flags\f[]
driver flags
.PP
.SH "OPTIONS"
.TP
.NOP \f\*[B-Font]\-4\f[], \f\*[B-Font]\-\-ipv4\f[]
Force IPv4 DNS name resolution.
This option must not appear in combination with any of the following options:
ipv6.
.sp
Force DNS resolution of following host names on the command line
to the IPv4 namespace.
.TP
.NOP \f\*[B-Font]\-6\f[], \f\*[B-Font]\-\-ipv6\f[]
Force IPv6 DNS name resolution.
This option must not appear in combination with any of the following options:
ipv4.
.sp
Force DNS resolution of following host names on the command line
to the IPv6 namespace.
.TP
.NOP \f\*[B-Font]\-c\f[] \f\*[I-Font]cmd\f[], \f\*[B-Font]\-\-command\f[]=\f\*[I-Font]cmd\f[]
run a command and exit.
This option may appear an unlimited number of times.
.sp
The following argument is interpreted as an interactive format command
and is added to the list of commands to be executed on the specified
host(s).
.TP
.NOP \f\*[B-Font]\-d\f[], \f\*[B-Font]\-\-debug\-level\f[]
Increase debug verbosity level.
This option may appear an unlimited number of times.
.sp
.TP
.NOP \f\*[B-Font]\-D\f[] \f\*[I-Font]number\f[], \f\*[B-Font]\-\-set\-debug\-level\f[]=\f\*[I-Font]number\f[]
Set the debug verbosity level.
This option may appear an unlimited number of times.
This option takes an integer number as its argument.
.sp
.TP
.NOP \f\*[B-Font]\-i\f[], \f\*[B-Font]\-\-interactive\f[]
Force ntpq to operate in interactive mode.
This option must not appear in combination with any of the following options:
command, peers.
.sp
Force \fBntpq\fP to operate in interactive mode.
Prompts will be written to the standard output and
commands read from the standard input.
.TP
.NOP \f\*[B-Font]\-n\f[], \f\*[B-Font]\-\-numeric\f[]
numeric host addresses.
.sp
Output all host addresses in dotted-quad numeric format rather than
converting to the canonical host names.
.TP
.NOP \f\*[B-Font]\-\-old\-rv\f[]
Always output status line with readvar.
.sp
By default, \fBntpq\fP now suppresses the \fBassocid=...\fP
line that precedes the output of \fBreadvar\fP
(alias \fBrv\fP) when a single variable is requested, such as
\fBntpq \-c "rv 0 offset"\fP.
This option causes \fBntpq\fP to include both lines of output
for a single-variable \fBreadvar\fP.
Using an environment variable to
preset this option in a script will enable both older and
newer \fBntpq\fP to behave identically in this regard.
.TP
.NOP \f\*[B-Font]\-p\f[], \f\*[B-Font]\-\-peers\f[]
Print a list of the peers.
This option must not appear in combination with any of the following options:
interactive.
.sp
Print a list of the peers known to the server as well as a summary
of their state. This is equivalent to the 'peers' interactive command.
.TP
.NOP \f\*[B-Font]\-r\f[] \f\*[I-Font]keyword\f[], \f\*[B-Font]\-\-refid\f[]=\f\*[I-Font]keyword\f[]
Set default display type for S2+ refids.
This option takes a keyword as its argument. The argument sets an enumeration value that can
be tested by comparing them against the option value macro.
The available keywords are:
.in +4
.nf
.na
hash ipv4
.fi
or their numeric equivalent.
.in -4
.sp
The default
\f\*[I-Font]keyword\f[]
for this option is:
.ti +4
ipv4
.sp
Set the default display format for S2+ refids.
.TP
.NOP \f\*[B-Font]\-w\f[], \f\*[B-Font]\-\-wide\f[]
Display the full 'remote' value.
.sp
Display the full value of the 'remote' value. If this requires
more than 15 characters, display the full value, emit a newline,
and continue the data display properly indented on the next line.
.TP
.NOP \f\*[B-Font]\-\&?\f[], \f\*[B-Font]\-\-help\f[]
Display usage information and exit.
.TP
.NOP \f\*[B-Font]\-\&!\f[], \f\*[B-Font]\-\-more-help\f[]
Pass the extended usage information through a pager.
.TP
.NOP \f\*[B-Font]\->\f[] [\f\*[I-Font]cfgfile\f[]], \f\*[B-Font]\-\-save-opts\f[] [=\f\*[I-Font]cfgfile\f[]]
Save the option state to \fIcfgfile\fP. The default is the \fIlast\fP
configuration file listed in the \fBOPTION PRESETS\fP section, below.
The command will exit after updating the config file.
.TP
.NOP \f\*[B-Font]\-<\f[] \f\*[I-Font]cfgfile\f[], \f\*[B-Font]\-\-load-opts\f[]=\f\*[I-Font]cfgfile\f[], \f\*[B-Font]\-\-no-load-opts\f[]
Load options from \fIcfgfile\fP.
The \fIno-load-opts\fP form will disable the loading
of earlier config/rc/ini files. \fI\-\-no-load-opts\fP is handled early,
out of order.
.TP
.NOP \f\*[B-Font]\-\-version\f[] [{\f\*[I-Font]v|c|n\f[]}]
Output version of program and exit. The default mode is `v', a simple
version. The `c' mode will print copyright information and `n' will
print the full copyright notice.
.PP
.SH "OPTION PRESETS"
Any option that is not marked as \fInot presettable\fP may be preset
by loading values from configuration ("RC" or ".INI") file(s) and values from
environment variables named:
.nf
\fBNTPQ_<option-name>\fP or \fBNTPQ\fP
.fi
.ad
The environmental presets take precedence (are processed later than)
the configuration files.
The \fIhomerc\fP files are "\fI$HOME\fP", and "\fI.\fP".
If any of these are directories, then the file \fI.ntprc\fP
is searched for within those directories.
.SH "ENVIRONMENT"
See \fBOPTION PRESETS\fP for configuration environment variables.
.SH "FILES"
See \fBOPTION PRESETS\fP for configuration files.
.SH "EXIT STATUS"
One of the following exit values will be returned:
.TP
.NOP 0 " (EXIT_SUCCESS)"
Successful program execution.
.TP
.NOP 1 " (EXIT_FAILURE)"
The operation failed or the command syntax was not valid.
.TP
.NOP 66 " (EX_NOINPUT)"
A specified configuration file could not be loaded.
.TP
.NOP 70 " (EX_SOFTWARE)"
libopts had an internal operational error. Please report
it to autogen-users@lists.sourceforge.net. Thank you.
.PP
.SH "AUTHORS"
The University of Delaware and Network Time Foundation
.SH "COPYRIGHT"
Copyright (C) 1992-2017 The University of Delaware and Network Time Foundation all rights reserved.
This program is released under the terms of the NTP license, <http://ntp.org/license>.
.SH "BUGS"
Please send bug reports to: http://bugs.ntp.org, bugs@ntp.org
.SH "NOTES"
This manual page was \fIAutoGen\fP-erated from the \fBntpq\fP
option definitions.
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