Article ID: 6686, created on Sep 21, 2009, last review on May 11, 2014

  • Applies to:
  • Virtuozzo hypervisor 4.0
  • Virtuozzo hypervisor 4.0 for Mac Bare Metal


To run KVM you need a processor that supports virtualization. For Intel processors this extension is called INTEL-VT. For AMD processors it is called AMD-V.

To see if your processor supports one of these technologies, run the following command under Linux:

# egrep ‘(vmx|svm)’ /proc/cpuinfo

If nothing is printed, it means that your CPU does not support hardware virtualization. Otherwise it does – but you still need to make sure that virtualization is enabled in the BIOS. If the SVM flag is returned then your processor supports AMD-V. If the VMX flag is returned then your processor supports INTEL-VT.

For Windows systems, run a special utility:

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