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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Name

rndc

Synopsis

rndc [options] [command]

TCP/IP command. Send commands to a BIND DNS server via a TCP connection (see the named command.) This command reads authentication and connection information from the file /etc/rndc.conf, and its authentication key from /etc/rndc.key. If entered without a command, display a help message listing the available commands.

Options

-c file

Read configuration information from file instead of /etc/rndc.conf.

-k file

Perform command on the routing cache instead of the forwarding information base (FIB) routing table.

-p port

Connect to the specified port instead of the default control channel port, 953.

-s server

Send command to the specified server. There must be an entry for server in the configuration file.

-V

Use verbose log messages.

-y keyname

Specify the key to use by keyname. There must be a key entry for keyname in the /etc/rndc.conf file.

Commands

You can send the following commands to a BIND nameserver:

dumpdb

Dump current cache to the dump file (specified in /etc/named.conf), or to named_dump.db when not specified.

flush [view]

Flush all server caches, or only the cache for the specified view.

halt

Stop server immediately.

querylog

Toggle query logging.

reconfig

Reload the configuration file and any new zones.

reload [zone [class [view]]]

Reload configuration file and zones. When specified, limit the reload to the given zone, class, or view.

refresh zone

Refresh database information for zone.

stats

Write statistics to the statistics file (specified in /etc/named.conf ...

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