Getting started with LXC using libvirt

“For quite a while now, libvirt has had an LXC driver that uses Linux’s namespace + cgroups features to provide container based virtualization. Before continuing I should point out that the libvirt LXC driver does not have any direct need for the userspace tools from the LXC sf.net project, since it directly leverages APIs the Linux kernel exposes to userspace. There are in fact many other potential users of the kernel’s namespace APIs which have their own userspace, such as OpenVZ, Linux-VServer, Parallels. This blog post will just concern itself solely with the native libvirt LXC support…”

http://berrange.com/posts/2011/09/27/getting-started-with-lxc-using-libvirt/