1. After ZStack is installed, the following error is displayed when a host is added:
    ERROR:could not insert 'kvm_intel':Operation not supportednnnstdout
  2. Run cat /proc/cpuinfo | grep "vmx|svx" to check whether virtualization is enabled.
    • If a return value is displayed, virtualization is enabled.
    • If no return value is displayed, virtualization is not enabled. Verify that the virtualization option is enabled in BIOS.