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“If you plan to use Citrix's commercial XenServer, this article really doesn't apply. Their offering is based on CentOS (a community distribution of Red Hat), and is designed to be as appliance-like as possible. It also requires you to rely upon a Windows-based management tool, which is strange and may not be desirable. Depending on your needs, a more community-oriented distribution of the Xen hypervisor might hold more appeal. I've found that Debian has been an excellent platform to this end, thus this guide assumes you will be configuring your Xen environment on that distribution.”