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How to check if your CPU supports hardware virtualization

If you are planning on re-purposing some of your existing server hardware to run the latest virtualization products or to take advantage of modern hardware optimizations for virtual hosts and machines, you need to be able to determine which of your servers already have Intel-VT or AMD-V features. Here are some utilities and commands you can use to check from both Windows and Linux operating systems.

Windows

Copied from the post Hardware Virtualization Check Utility

“How do I find out if the processors in my laptop, desktop or server supports resource virtualization? Does my system run on Intel-VT or AMD-V?

There are a few tools out there allowing to check either one or the other vendor’s processors or they just return the build and stepping and you have to look up the information on the vendor’s website. In the past I used CPU-Z quite a lot. Many tools are of course not for free.

SecureAble by Gibson Research Corp. supports both vendors, Intel and AMD, and determines 3 important processor features and is free:

1/ 64-bit’ness
2/ Data Execution Prevention
3/ Hardware Virtualization”

To the right you find a screenshot of SecureAble also taken from the same post.

Linux

Copied from KVM – Community Ubuntu Documentation

“How to check if your CPU supports hardware virtualisation

To run KVM, you need a processor that supports virtualisation; Intel and AMD both have developed extensions for their processors, respectively INTEL-VT and AMD-V. To see if your processor supports one of these, you can run the following command:

egrep ‘(vmx|svm)’ /proc/cpuinfo

If nothing is printed, it means that your CPU doesn’t support hardware virtualisation. Otherwise, it does – but you still need to make sure that virtualisation is enabled in the BIOS.”

Copied from How to create a guest OS with KVM

"# egrep '^flags.*(vmx|svm)' /proc/cpuinfo

If the svm flag is returned then your processor supports AMD-V or if the vmx flag is returned then your processor supports Intel VT.”

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  • http://www.ArthurK.com/ Arthur K

    In the Linux command, egrep ‘(vmx|svm)’ /proc/cpuinfo, the single quote marks need to be simple unformatted single quotes, not directional typographic quote marks.

  • http://www.ArthurK.com/ Arthur K

    In the Linux command, egrep ‘(vmx|svm)’ /proc/cpuinfo, the single quote marks need to be simple unformatted single quotes, not directional typographic quote marks.

  • imihaiu

    I followed all the steps and apparently my computer is too much out of date. I guess this is a good opportunity for me to get a new one. I already started looking into used computer hardware places which I should have done a while ago. Your post was hard to find, but it was really helpful.

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