Enable nested virtualization
for hyper-v
PS > Set-VMProcessor -VMName <VMName> -ExposeVirtualizationExtensions $true
Virtual Box:
/home/<username> $ VBoxManage modifyvm <name> --nested-hw-virt on
PS C:\Program Files\Oracle\VirtualBox> .\VBoxManage.exe modifyvm <name> --nested-hw-virt on
for kvm Resources :
https://docs.fedoraproject.org/en-US/quick-docs/using-nested-virtualization-in-kvm/
https://ostechnix.com/how-to-enable-nested-virtualization-in-kvm-in-linux/
https://techviewleo.com/how-to-enable-nested-virtualization-on-kvm-qemu/
Virtual Box resources:
