ndc(1M) ndc(1M)
NAME
ndc - name daemon control interface
SYNOPSIS
ndc directive [...]
DESCRIPTION
This command allows the name server administrator to send various sig-
nals to the name server, or to restart it. Zero or more directives may
be given, from the following list:
status Displays the current status of named as shown by ps(1).
dumpdb Causes named to dump its database and cache to
/var/tmp/nameddump.db (uses the SIGINT signal).
reload Causes named to check the serial numbers of all primary and
secondary zones and to reload those that have changed (uses
the SIGHUP signal).
stats Causes named to dump its statistics to /var/tmp/named.stats
(uses the SIGIOT or SIGABRT signal).
trace Causes named to increment its "tracing level" by one. When-
ever the tracing level is nonzero, trace information will be
written to /var/tmp/named.run. Higher tracing levels result
in more detailed information (uses the SIGUSR1 signal).
notrace Causes named to set its "tracing level" to zero, closing
/var/tmp/named.run, if it is open (uses the SIGUSR2 signal).
querylog Causes named to toggle the "query logging" feature, which
while on will result in a syslog(3C) of each incoming query
(uses the SIGWINCH signal). Note that query logging consumes
quite a lot of log file space.
This directive may also be given as qrylog.
start Causes named to be started, as long as it isn't already run-
ning.
stop Causes named to be stopped, if it is running.
restart Causes named to be killed and restarted.
NOTES
Arguments to named are not preserved by restart, or known by start.
Implemented as a Shell script.
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ndc(1M) ndc(1M)
SEE ALSO
named(1M), named.debug(1M), named.reload(1M), named.restart(1M),
named.undebug(1M), signal(5).
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