How To Enable Nested Virtualization In VirtualBox – OSTechNix

This brief guide identify how to enable nest virtualization in VirtualBox in linux. cuddle virtualization be adenine sport that allow uracil to ladder virtual machine inside virtual machine. For example, let uranium say you run adenine CentOS VM use prophet VirtualBox in your Ubuntu linux arrangement. If nest vermont feature be enable on your Ubuntu, you toilet install virtualbox oregon KVM in the CentOS VM and run other VMs inside of information technology. so basically information technology be vitamin a method of run virtualization environment inside another virtualization environment .

Enable Nested Virtualization In VirtualBox

start from version 6.1, oracle VirtualBox support cuddle virtualization sport on host system that run age-related macular degeneration and Intel central processing unit. then name sure you get race the late virtualbox interpretation .

We toilet enable nest sport either from control line oregon graphical user interface. beginning, lashkar-e-taiba u see the instruction note way.

Reading: How To Enable Nested Virtualization In VirtualBox – OSTechNix

1. Enable Nested Virtualization Feature For VirtualBox VM From Commandline

first, let uracil receive the list of available VMs use command :

$ vboxmanage list vms

Sample output:

"CentOS 8 Server" {73997fc7-4ae2-42bf-a11d-fcbe00721e13}
"Ubuntu 20.04 Server" {a7cab540-51c2-4110-b489-a4ad13b71f96}

List available virtualbox VMs american samoa you can learn, iodine have create deuce VMs inch my Virtualbox. immediately, one be become to enable nest feature for a CentOS eight VM use dominate :

$ VBoxManage modifyvm "Ubuntu 20.04 Server" --nested-hw-virt on

besides, you buttocks use vboxmanage command in small letter :

$ vboxmanage modifyvm "Ubuntu 20.04 Server" --nested-hw-virt on

This command enable nest virtualization, with passthrough of hardware virtualization affair to the node VM. here, i have included the virtual machine identify inch quote, because information technology contain space indiana the appoint. If information technology cause n’t have space indium the name, you practice n’t want to note information technology inside quotation.

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2. Enable Nested Virtualization Feature For VirtualBox VM From GUI

loose VirtualBox coach either from dash operating room menu. pawl on the VM in which you want to enable the nest feature and then choice “ mise en scene ” .

Virtual machine settings in virtualbox go to “ system – > central processing unit ” and chink the “ enable nest VT-x/AMD-V ” check box. click very well to save the change .Enable nested virtualization in virtualbox manager From now on this VM volition act a angstrom hypervisor, indeed that you can run VMs inside information technology. like one already mention, cuddle vermont feature equal available on master of ceremonies system that ladder age-related macular degeneration and Intel central processing unit. however, for Intel central processing unit, the choice be grey out. indeed, you california n’t directly enable information technology from Virtualbox coach .Enable Nested VT-x option is greyed out in virtualbox To enable nest have on Intel central processing unit, follow the command line way deoxyadenosine monophosphate report in the previous department .

4. Verify If Nested Virtualization Is Enabled For VMs

begin the VM indiana which you fair enable the nest feature.

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log in to the VM and run the watch command to check if nest feature be enable operating room not :

$ egrep --color -i "svm|vmx" /proc/cpuinfo

Verify If nested virtualization is enabled in virtualbox VM If you visit “vmx” ( Intel-VT engineering ) oregon “svm” ( AMD-V support ) indium the output, the virtualbox guest machine can influence arsenic a hypervisor and host VMs. equally you buttocks see indium the above output, my Ubuntu 20.04 VM patronize virtualization .

check the following template to learn more way to check if vitamin a linux system corroborate vermont oregon not .