QEMU/KVM are the default virtualization used in OpenStack [1], for one. I also use it on my laptop to host guests because of how much Virtual Box sucks under Li

QEMU/KVM are the default virtualization used in OpenStack [1], for one. I also use it on my laptop to host guests because of how much Virtual Box sucks under Linux [2], as others have mentioned. [1] https://www.openstack.org/ https://www.openstack.org/ [2] https://lkml.org/lkml/2011/10/6/317 https://lkml.org/lkml/2011/10/6/317