== show all VMs ==

virsh list --all

== show all pools ==

virsh pool-list --all

== destroy pool ==

virsh pool-info guest_images
virsh pool-destroy "guest_images"

== create a pool ==

virsh pool-define-as guest_images --type dir --target /data/guest_images
virsh pool-start guest_images
virsh pool-autostart guest_images

==== create a volume ====

virsh vol-create-as guest_images volume 1 4GB

==== Console to a VM ===

virt-viewer #gui

==== Remove a VM ===

virsh destroy vmname
virsh undefine vmname

=== Network assign ip addr ===

• Generate MAC address

  perl -e 'for ($i=00;$i<6;$i++){@m[$i]=int(rand(256));} printf "00:16:3E:%X:%X:%X\n",@m;'

• Build Vm

  build debian10b /data/ssd/libvirt "macaddress"