Cloud at Cost is a new company offering very low cost virtual servers. For their first 10,000 nodes, they’re offering a $35 one time setup fee to get a virtual server for life (of the company). There are additional $70 and $140 one time plans for slightly larger virtual servers, or the option for $1, $2 or $4 per month. I decided to give one of these virtual server plans a try. There were quite a few hickups. I wouldn’t say they’re production ready quite yet, but if you want a server to play around with, the price is right, and their services are certainly worth that price.

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Unfriendfinder was a Firefox plugin which allowed Facebook users to detect when people left their friend list or deactivated their accounts. After three years of development, Facebook requested the removal of the extension due to violation of their terms of service. The author chose not to fight the request. In response, I’ve created sumfriender, a Python script that can detect friend list changes as well as import previous friend lists from the Unfriendfinder Firefox plugin and grease monkey scripts.

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Alfresco is an enterprise document management system. There is a free Community Edition that is open source, but its web interface pulls in an image from their official website that can be used to remotely track usage. This tracking image is added via Javascript and cannot be removed by simply changing a template. It is hard coded into a core class. This tutorial goes through the steps needed to patch the Alfresco WAR file in order to remove the tracking image. It has been tested for Alfresco 4.2c and may need to be adjusted for other versions.

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