path: root/doc/man/knotc.8in

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.TH "KNOTC" "8" "@RELEASE_DATE@" "@VERSION@" "Knot DNS"
.SH NAME
knotc \- Knot DNS control utility
.
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.SH SYNOPSIS
.sp
\fBknotc\fP [\fIparameters\fP] \fIaction\fP [\fIaction_args\fP]
.SH DESCRIPTION
.sp
If no \fIaction\fP is specified, the program is executed in interactive mode.
.SS Parameters
.INDENT 0.0
.TP
\fB\-c\fP, \fB\-\-config\fP \fIfile\fP
Use a textual configuration file (default is \fB@config_dir@/knot.conf\fP).
.TP
\fB\-C\fP, \fB\-\-confdb\fP \fIdirectory\fP
Use a binary configuration database directory (default is \fB@storage_dir@/confdb\fP).
The default configuration database, if exists, has a preference to the default
configuration file.
.TP
\fB\-m\fP, \fB\-\-max\-conf\-size\fP \fIMiB\fP
Set maximum configuration size (default is @conf_mapsize@ MiB, maximum 10000 MiB).
.TP
\fB\-s\fP, \fB\-\-socket\fP \fIpath\fP
Use a control UNIX socket path (default is \fB@run_dir@/knot.sock\fP).
.TP
\fB\-t\fP, \fB\-\-timeout\fP \fIseconds\fP
Use a control timeout in seconds. Set 0 for infinity (default is 10).
.TP
\fB\-f\fP, \fB\-\-force\fP
Forced operation. Overrides some checks.
.TP
\fB\-v\fP, \fB\-\-verbose\fP
Enable debug output.
.TP
\fB\-h\fP, \fB\-\-help\fP
Print the program help.
.TP
\fB\-V\fP, \fB\-\-version\fP
Print the program version.
.UNINDENT
.SS Actions
.INDENT 0.0
.TP
\fBstatus\fP [\fIdetail\fP]
Check if the server is running. Details are \fBversion\fP for the running
server version, \fBworkers\fP for the numbers of worker threads,
or \fBconfigure\fP for the configure summary.
.TP
\fBstop\fP
Stop the server if running.
.TP
\fBreload\fP
Reload the server configuration and modified zone files. All open zone
transactions will be aborted!
.TP
\fBstats\fP [\fImodule\fP[\fB\&.\fP\fIcounter\fP]]
Show global statistics counter(s). To print also counters with value 0, use
force option.
.TP
\fBzone\-status\fP \fIzone\fP [\fIfilter\fP]
Show the zone status. Filters are \fB+role\fP, \fB+serial\fP, \fB+transaction\fP,
\fB+events\fP, and \fB+freeze\fP\&.
.TP
\fBzone\-check\fP [\fIzone\fP\&...]
Test if the server can load the zone. Semantic checks are executed if enabled
in the configuration. (*)
.TP
\fBzone\-memstats\fP [\fIzone\fP\&...]
Estimate memory use for the zone. (*)
.TP
\fBzone\-reload\fP [\fIzone\fP\&...]
Trigger a zone reload from a disk without checking its modification time. For
slave zone, the refresh from a master server is scheduled; for master zone,
the notification of slave servers is scheduled. An open zone transaction
will be aborted!
.TP
\fBzone\-refresh\fP [\fIzone\fP\&...]
Trigger a check for the zone serial on the zone\(aqs master. If the master has a
newer zone, a transfer is scheduled. This command is valid for slave zones.
.TP
\fBzone\-retransfer\fP [\fIzone\fP\&...]
Trigger a zone transfer from the zone\(aqs master. The server doesn\(aqt check the
serial of the master\(aqs zone. This command is valid for slave zones.
.TP
\fBzone\-notify\fP [\fIzone\fP\&...]
Trigger a NOTIFY message to all configured remotes. This can help in cases
when previous NOTIFY had been lost or the slaves offline.
.TP
\fBzone\-flush\fP [\fIzone\fP\&...] [\fB+outdir\fP \fIdirectory\fP]
Trigger a zone journal flush into the zone file. If output dir is specified,
instead of flushing the zonefile, the zone is dumped to a file in the specified
directory.
.TP
\fBzone\-sign\fP [\fIzone\fP\&...]
Trigger a DNSSEC re\-sign of the zone. Existing signatures will be dropped.
This command is valid for zones with DNSSEC signing enabled.
.TP
\fBzone\-ksk\-submitted\fP \fIzone\fP\&...
Use when the zone\(aqs KSK rollover is in submittion phase. By calling this command
the user confirms manually that the parent zone contains DS record for the new
KSK in submission phase and the old KSK can be retired.
.TP
\fBzone\-freeze\fP [\fIzone\fP\&...]
Temporarily postpone zone\-changing events (load, refresh, update, flush, and
DNSSEC signing).
.TP
\fBzone\-thaw\fP [\fIzone\fP\&...]
Dismiss zone freeze.
.TP
\fBzone\-read\fP \fIzone\fP [\fIowner\fP [\fItype\fP]]
Get zone data that are currently being presented.
.TP
\fBzone\-begin\fP \fIzone\fP\&...
Begin a zone transaction.
.TP
\fBzone\-commit\fP \fIzone\fP\&...
Commit the zone transaction. All changes are applied to the zone.
.TP
\fBzone\-abort\fP \fIzone\fP\&...
Abort the zone transaction. All changes are discarded.
.TP
\fBzone\-diff\fP \fIzone\fP
Get zone changes within the transaction.
.TP
\fBzone\-get\fP \fIzone\fP [\fIowner\fP [\fItype\fP]]
Get zone data within the transaction.
.TP
\fBzone\-set\fP \fIzone\fP \fIowner\fP [\fIttl\fP] \fItype\fP \fIrdata\fP
Add zone record within the transaction. The first record in a rrset
requires a ttl value specified.
.TP
\fBzone\-unset\fP \fIzone\fP \fIowner\fP [\fItype\fP [\fIrdata\fP]]
Remove zone data within the transaction.
.TP
\fBzone\-purge\fP \fIzone\fP\&... [\fIfilter\fP\&...]
Purge zone data, zone file, journal, timers, and/or KASP data of specified zones.
Available filters are \fB+expire\fP, \fB+zonefile\fP, \fB+journal\fP, \fB+timers\fP,
and \fB+kaspdb\fP\&. If no filter is specified, all filters are enabled.
If the zone is no longer configured, add \fB+orphan\fP filter (zone file cannot
be purged in this case).
.TP
\fBzone\-stats\fP \fIzone\fP [\fImodule\fP[\fB\&.\fP\fIcounter\fP]]
Show zone statistics counter(s). To print also counters with value 0, use
force option.
.TP
\fBconf\-init\fP
Initialize the configuration database. (*)
.TP
\fBconf\-check\fP
Check the server configuration. (*)
.TP
\fBconf\-import\fP \fIfilename\fP
Import a configuration file into the configuration database. Ensure the
server is not using the configuration database! (*)
.TP
\fBconf\-export\fP [\fIfilename\fP]
Export the configuration database into a config file or stdout. (*)
.TP
\fBconf\-list\fP [\fIitem\fP]
List the configuration database sections or section items.
.TP
\fBconf\-read\fP [\fIitem\fP]
Read the item from the active configuration database.
.TP
\fBconf\-begin\fP
Begin a writing configuration database transaction. Only one transaction
can be opened at a time.
.TP
\fBconf\-commit\fP
Commit the configuration database transaction.
.TP
\fBconf\-abort\fP
Rollback the configuration database transaction.
.TP
\fBconf\-diff\fP [\fIitem\fP]
Get the item difference in the transaction.
.TP
\fBconf\-get\fP [\fIitem\fP]
Get the item data from the transaction.
.TP
\fBconf\-set\fP \fIitem\fP [\fIdata\fP\&...]
Set the item data in the transaction.
.TP
\fBconf\-unset\fP [\fIitem\fP] [\fIdata\fP\&...]
Unset the item data in the transaction.
.UNINDENT
.SS Note
.sp
Empty or \fB\-\-\fP \fIzone\fP parameter means all zones or all zones with a transaction.
.sp
Use \fB@\fP \fIowner\fP to denote the zone name.
.sp
Type \fIitem\fP parameter in the form of \fIsection\fP[\fB[\fP\fIid\fP\fB]\fP][\fB\&.\fP\fIname\fP].
.sp
(*) indicates a local operation which requires a configuration.
.SS Interactive mode
.sp
The utility provides interactive mode with basic line editing functionality,
command completion, and command history.
.sp
Interactive mode behavior can be customized in \fI~/.editrc\fP\&. Refer to
\fBeditrc(5)\fP for details.
.sp
Command history is saved in \fI~/.knotc_history\fP\&.
.SH EXAMPLES
.SS Reload the whole server configuration
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc reload
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Flush the example.com and example.org zones
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc zone\-flush example.com example.org
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Get the current server configuration
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc conf\-read server
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Get the list of the current zones
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc conf\-read zone.domain
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Get the master remotes for the example.com zone
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc conf\-read \(aqzone[example.com].master\(aq
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Add example.org zone with a zonefile location
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc conf\-begin
$ knotc conf\-set \(aqzone[example.org]\(aq
$ knotc conf\-set \(aqzone[example.org].file\(aq \(aq/var/zones/example.org.zone\(aq
$ knotc conf\-commit
.ft P
.fi
.UNINDENT
.UNINDENT
.SS Get the SOA record for each configured zone
.INDENT 0.0
.INDENT 3.5
.sp
.nf
.ft C
$ knotc zone\-read \-\- @ SOA
.ft P
.fi
.UNINDENT
.UNINDENT
.SH SEE ALSO
.sp
\fBknotd(8)\fP, \fBknot.conf(5)\fP, \fBeditrc(5)\fP\&.
.SH AUTHOR
CZ.NIC Labs <https://www.knot-dns.cz>
.SH COPYRIGHT
Copyright 2010–2019, CZ.NIC, z.s.p.o.
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