1. Download the Fedora 22 raw cloud image
  2. Unpack the image with unxz
  3. Prepare a script the the cloud-init ‘NoCloud’ datasource
  4. Change the variable $IMAGE_DIR, $UML_DIR and $CLOUD_CONFIG_DIR to your setup
  5. Save above script as ‘cloud.sh’ and make it executable
  6. Start the script. The script will start 10 parallel UML instance from the same Fedora cloud base image