Author Archives: richm

HE.NET IPv6 Certified Sage

Over lunch I completed the Hurricane Electric free IPv6 certification tests. Those nice people now class me as a Certified Sage!

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Service Monitoring

A post about monitoring service improvements on the Mythic Beasts‘ blog made me think about all of the services that we monitor within the OldElvet family of systems. We use Icinga (formerly we used Nagios) to monitor our systems and … Continue reading

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Firefox link visited security feature makes CSS debugging hard

One of the websites that I look after voluntarily had an interesting problem where some links on the page were appearing in white on a white background. This only seemed to happen in Mozilla Firefox and the Firefox Web Developer … Continue reading

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Migrate Laptop from 32 bit to 64 bit Linux

My laptop was factory installed with the 32 bit Ubuntu Linux distribution. This has served me well for a long time but I have been playing with the Android Open Source Project (AOSP) and wanted to compile the distribution to … Continue reading

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The Cost of Social Media Buttons

Yesterday I was examining Firefox memory usage when I noticed that social media buttons (you know the “like”, “follow” buttons) were using vastly more memory then the actual content of the page itself. The page itself uses 6.5 Meg with … Continue reading

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Moving to CardDAV

It’s time to unify my various phone/email contact lists into a single contact database. CardDAV seems perfect for the job and I already run a DaviCAL server that supports both CalDAV and CardDAV. History My email addressbook is currently very … Continue reading

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New Family Member – Welcome Bailey

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Using Udev to mount a backup disk

I use the wonderful Bacula to backup the systems that I run. This saves the backup volumes onto a couple of NAS devices. The volume of data this produces does not really allow off-site backups to be performed over an … Continue reading

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Use StartSSL Certificate in Apache Qpid

The Mozilla NSS libraries are unfamiliar to myself and I had a little trouble working out how to import a StartSSL key/certificate stored in PEM files into the format required by qpidd. The Apache Qpid – Securing Connections With SSL … Continue reading

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JBoss AS7 Classloader

I recently came across an excellent article on Java Code Geeks that explains how classloading is structured and operates in JBoss AS7.

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