As part of a larger project I needed to generate real time radius records from the CDR accounting files of several cluster pairs of Broadsoft application servers. So I wrote a perl script to do just that. It maps the CDR fields to radius attribs and encodes the accounting packet using the Net::Radius::Packet CPAN module. [...]
Browsing Posts in Projects
What I Do – Broadsoft CDR Files to Radius Accounting Records
February 2, 2012
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What I do – Dynamic Daily Table Partitions With Postgres
January 19, 2012
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As part of a new and fairly large project I have a need to partition a few postgres tables and have a rolling daily window. That is.. I want to organize data by a timestamp storing each day in its own partition and maintain 90 days of historical data. Doing this is possible in Postgresql [...]
What I do – Interviewing for Linux Engineers
December 11, 2011
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Now and then I’m called on to help interview candidates for linux admin/engineer slots and as I’ve been doing some of that lately I thought I’d share the way I go about doing a technical interview. This approach seems to work equally well over the phone or in person. I’m big on understanding the fundamentals [...]
What I do – Voice Integration With Nagios and Asterisk
December 5, 2011
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I was called on to provide a method of alerting from within nagios that was more active and direct than the usual use of email or SMS messages. So I came up with a simple way to have a nagios notification place a phone call to our off hours tier3 support line to report certain [...]
Dynamic Rack Face Diagrams With PHP and GD
October 6, 2011
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Anyone who has to manage servers and other equipment in remote datacenters can appreciate the need for good documentation. One reason you appreciate good documentation so much is because it’s so rare. People are lazy and forgetful and when changes are made by lots of different people in lots of different locations it’s easy for [...]
