[ubuntu] Virtualization on server for isolation and development

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http://ubuntuforums.org – I've been "playing around" with ubuntu server in a XEN VPS, exploring a number of different technologies and getting them working. I now need to move towards a production system yet still have the facility to explore new applications. My good intentions about recording everything I did on the prototype system fell victim to the reality of rapid changes to config files as I went through problem solving to get things to work. I need to get a clean install and add in all the tools in a more controlled way, but I also want to be able to try new things then migrate them to the produ (Hardware)