===== Resize qcow2 image KVM =====
On hypervisor:
<code>
qemu-img resize ubuntu-server.qcow2 +5GB
</code>

On guest:
<code>
parted /dev/vda resizepart 2 100%
pvresize /dev/vda2
</code>


==== References ====
  * https://www.randomhacks.co.uk/how-to-resize-a-qcow2-harddrive-images/