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Ubuntu JeOS (pronounced "Juice") is an efficient variant of the Ubuntu Server operating system, configured specifically for virtual appliances. Currently available as a CD-ROM ISO for download, JeOS is a specialized installation of Ubuntu Server Edition with a tuned kernel that only contains the base elements needed to run within a virtualized environment.
Ubuntu JeOS has been tuned to take advantage of key performance technologies in the latest virtualization products from VMware, and also the Open Source virtualization technology KVM, which utilizes the latest hardware virtualization optimizations from Intel and AMD. This combination of reduced size and optimized performance ensures that Ubuntu JeOS Edition delivers a highly efficient use of server resources in large virtual deployments.
Without unnecessary drivers, and only the minimal required packages, ISVs can configure their supporting OS exactly as they require. They have the peace of mind that updates, whether for security or enhancement reasons, will be limited to the bare minimum of what is required in their specific environment. In turn, users deploying virtual appliances built on top of JeOS will have to go through fewer updates and therefore less maintenance than they would have had to with a standard full installation of a server.
