Service discovery in the cloud using Avahi

Tue 27 November 2012 by Lars Kellogg-Stedman

I'm been writing a provisioning tool for OpenStack recently, and I've put together a demo configuration that installs a simple cluster consisting of three backend nodes and a front-end http proxy. I needed a way for the backend servers to discover the ip address of the frontend server. Since in …

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Using Oracle JDK under CentOS

Mon 26 November 2012 by Lars Kellogg-Stedman

I needed to replace the native OpenJDK based Java VM with the Oracle Java distribution on one of our CentOS servers. In order to do it cleanly I wanted to set up the alternatives system to handle it, but it took a while to figure out the exact syntax.

For …

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Document classification with POPFile

Thu 08 November 2012 by Lars Kellogg-Stedman Tags bayes analytics

I recently embarked upon a quest to categorize a year's worth of trouble tickets (around 15000 documents total). We wanted to see what sort of things are generating the most work for our helpdesk staff so that we can identify areas in which improvements would have the biggest impact. One …

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Converting HTML to Markdown

Tue 06 November 2012 by Lars Kellogg-Stedman Tags markdown meta

In order to import posts from Blogger into I needed to convert all the HTML formatting into Markdown. Thankfully there are a number of tools out there that can help with this task.

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Relocating from Blogger

Tue 06 November 2012 by Lars Kellogg-Stedman Tags meta

I'm in the process of porting over content from Blogger. This may lead to odd formatting or broken links here and there. If you spot something, please let me know.

If you came here from Google and found a broken link, try starting at the archive and see if you …

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