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rec_control man section

Rumi, September 11, 2011September 11, 2011

Name

rec_control – control pdns_recursor

Synopsis

rec_control [–help] [–socket-dir] [–socket-pid] command ..

Description

rec_control(1) allows the operator to control a running instance of the pdns_recursor.

The commands that can be passed to the recursor are described on http://doc.powerdns.com/rec-control.html

Examples

To stop the recursor by hand, run:

# rec_control quit

To dump the cache to disk, execute:

# rec_control dump-cache /tmp/the-cache

Options

–help

provide this helpful message

–socket-dir

Where the controlsocket will live

–socket-pid

When running in SMP mode, pid of pdns_recursor to control

Commands

dump-cache filename

Dumps the entire cache to the filename mentioned. This file should not exist already, PowerDNS will refuse to overwrite it. While dumping, the recursor will not answer questions.

get statistic

Retrieve a statistic. For items that can be queried, see http://doc.powerdns.com/recursor-stats.html

ping

Check if server is alive.

quit

Request shutdown of the recursor

reload-zones

Reload authoritative and forward zones. Retains current configuration in case of errors.

top-remotes

Shows the top-20 most active remote hosts. Statistics are over the last remotes-ringbuffer-entries queries, which defaults to 0.

wipe-cache domain0 [domain1]

Wipe entries from the cache. This is useful if, for example, an important server has a new IP address, but the TTL has not yet expired. Multiple domain names can be passed. Note that you must terminate a domain with a .! So to wipe powerdns.org, issue rec_control wipe-cache powerdns.org.. Versions beyond 3.1 don't need the trailing dot. Consider not only wiping www.domain.com. but also domain.com., as the cached nameservers or target of CNAME may continue to be undesired.

Collected Articles Configurations (Linux) powerdns

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Myself…

Hi, I am Hasan T. Emdad Rumi, an IT Project Manager & Consultant, Virtualization & Cloud Savvyfrom Dhaka, Bangladesh. I have prior experience in managing numerous local and international projects in the area of Telco VAS & NMC, National Data Center & PKI Naitonal Root and CA Infrastructure. Also engaged with several Offshore Software Development Team.

Worked with Orascom Telecom-Banglalink, Network Elites as VAS partner, BTRC, BTT (Turkey) , Mango Teleservices Limited and Access to Informaiton (A2I-UNDP)

Currently working at Oracle Corporation as Principal Technology Solution and Cloud Architect.

You can reach me [h.t.emdad at gmail.com] and I will be delighted to exchange my views.

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