One of the features that was introduced a year ago into Ubuntu 7.04 “Feisty Fawn” was support for KVM, which is the Kernel-based Virtual Machine. However, in Ubuntu 8.04 this has all changed for the better now that virt-manager and libvirt are available from the main Ubuntu repository.
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While Ubuntu 8.04 final will not be available until April, virt-manager and libvirt are already in the Hardy Heron repository and is one of the features for the Ubuntu 8.04 Alpha 4 release, which is due out tomorrow. This is not the first time emerging Red Hat technologies are appearing in Ubuntu, but in Ubuntu 7.10 was system-config-printer and the Fedora-spawned IcedTea project for Java support via Sun's OpenJDK.