Comandos
<code bash>
apt install qemu qemu-kvm libvirt-clients  libvirt-daemon-system virtinst bridge-utils 
virt-install 
virt-viewer
</code>

<code bash>
grep vmx /proc/cpuinfo
lsmod |grep kvm
modprobe kvm 

systemctl enable --now libvirtd

</code>

<code bash>
apt install libosinfo-bin libguestfs-tools
osinfo-query os
virt-install --name myvm --vcpus=1 --memory=256 --cdrom=/tmp/mycd.iso --disk-size=5

virt-install --name myvm1 --vcpus=1 --memory=256 --cdrom /home/ues/debian-10.1.0-arm64-netinst.iso --disk size=2 --network type=direct,source=enp0s3 --graphics type=vnc,port=5988,listen=0.0.0.0  --boot cdrom

virt-install --name myvm2 --vcpus=1 --memory=256 --location http://deb.debian.org/debian/dists/buster/main/installer-amd64/   --os-variant debian10 --disk size=2 --network type=direct,source=enp0s3 --graphics type=vnc,port=5988,listen=0.0.0.0   --extra-args='console=tty0 console=ttyS0,115200n8 serial'
</code>

<code bash>
virsh list
virsh list --all
virsh start <VM>
virsh shutdown <VM>
virsh edit <VM>
virsh reboot <VM>
virsh autostart <VM>
virsh destroy <VM>
virsh undefined <VM>

</code>

<code bash>
virsh shutdown <VM>
virt-clone --original=myvm --name=myvm-clone --file=/var/lib/libvirt/images/myvm1.qcow2
</code>

<code bash>
tree /etc/libvirt/
cat /etc/libvirt/qemu/myvm1.xml 

</code>
====== Hacer una Plantilla ======

<code bash>
apt install libguestfs-tools 

virsh shutdown basevm
virsh dumpxml basevm > /var/lib/libvirt/images/template.xml
cp /var/lib/libvirt/images/basevm.qcow2 /var/lib/libvirt/images/template.qcow2
sed  's/basevm.qcow2/template.qcow2/g'  -i /var/lib/libvirt/images/template.xml
virt-sysprep -a /var/lib/libvirt/images/template.qcow2
virsh undefine basevm
rm /var/lib/libvirt/images/basevm.qcow2
virt-clone --connect qemu:///system                    \
  --original-xml /var/lib/libvirt/images/template.xml  \
  --name newvm                                         \
  --file /var/lib/libvirt/images/newvm.qcow2
</code>

====== Referencias ======

  * https://www.cyberciti.biz/faq/howto-linux-delete-a-running-vm-guest-on-kvm/
  * https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html/deployment_guide/s1-connecting-to-vnc-server
  * https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-guest_virtual_machine_installation_overview-creating_guests_with_virt_install
  * https://wiki.debian.org/KVM
  * https://wiki.debian.org/libvirt
  * https://www.cyberciti.biz/faq/howto-linux-delete-a-running-vm-guest-on-kvm/
  * https://www.cyberciti.biz/faq/linux-xen-vmware-kvm-intel-vt-amd-v-support/
  * https://computingforgeeks.com/virsh-commands-cheatsheet/
  * http://ostolc.org/kvm-clone-guests-from-template-image.html
  * https://www.cyberciti.biz/faq/how-to-rename-kvm-virtual-machine-vm-domain-with-virsh-command/
  * https://linuxhint.com/libvirt_qemu_kvm_debian/
  * https://wdocs.readthedocs.io/libvirt_qemu_kvm_debian.html