Category Archives: Recipes

Asterisk with SS7 via Wanpipe, Dahdi and libss7 – with ISUP SAM support

Posted on January 12, 2012 by Barry O'Donovan

A howto on installing Asterisk with SS7 supported via libss7 on Sangoma hardware along with support for ISUP SAM messages. Continue reading →

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Doctrine ORM – Find Many to Many Objects Without a Relationship

Posted on March 9, 2011 by Barry O'Donovan

Hmmm, does the title of this post make sense? Probably not but it’s not an easy concept to squeeze into a few words. Here’s the scenario, I have two tables A and B in Doctrine ORM with a many-to-many relationship … Continue reading →

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Querying for DNS Glue Records (using dig)

Posted on February 16, 2011 by Barry O'Donovan

On a project I’m working on, I need to establish if a domain has IPv6 glue records or not. If I had to do it on a once off, a whois lookup would answer that nicely: $ /usr/bin/whois opensolutions.ie <snip> … Continue reading →

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Changing a User’s UID on Apple XServe / Snow Leopard

Posted on December 14, 2010 by Barry O'Donovan

Due to exporting NFS file systems from Linux boxes to an XServe, I had need to match the new users’ UID on the XServe to the Linux UIDs. Unfortunately this was not so obvious. There’s a good how-to here: http://www.inteller.net/notes/change-user-id-on-snow-leopard

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Irish Radio Stations on Linux

Posted on October 21, 2010 by Barry O'Donovan

I’m a bit of a newstalk junky and like to have the radio on in the back ground. It’s quite painful jumping between websites and even more painful getting them all to work under Linux so I have some simple … Continue reading →

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