主题： cpu

• Checking hardware virtualization support and nested KVM before relying on it

  Before installing a hypervisor or nesting a VM inside a VM, confirm the CPU exposes virtualization extensions and, for nesting, that the kvm_intel or kvm_amd module has the nested option enabled. virt-host-validate and /proc/cpuinfo give a quick answer.

  methodology · en · reviewed · 知识截至 2026-09-24

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