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I have a hadoop cluster of VMs hosted on VirtualBox. The VMs are all ubuntu, and the host system is windows 7.

How can I import all of these VMs into 1 ubuntu vm?

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Be aware that VirtualBox does not pass VT-X/AMD-V to the guest machine - see forum thread, bug ticket. This implies that virtual machines running inside a VirtualBox VM will be painfully slow. – ignis Aug 15 '13 at 11:11
@ignis thank you. What about vmware? Would I be able to export the images to vmware? – l--''''''---------'''''''''''' Aug 15 '13 at 14:15
VMWare Workstation 8 claims to support hardware virtualization (i.e. VT-X/AMD-V) inside the guest, see this answer for details. – ignis Aug 15 '13 at 15:19
is there something that is free that i can use? – l--''''''---------'''''''''''' Aug 15 '13 at 17:26
Please, open a new question for that. I don't know it personally, but others may have the answer. Also see this comment for some alternative technologies, however I don't know whether they are good replacements for a hypervisor. – ignis Aug 15 '13 at 18:58

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