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qemu-img

Tool for Quick Emulator Virtual HDD image creation and manipulation. More information: https://qemu.readthedocs.io/en/latest/tools/qemu-img.html.

• Create disk image with a specific size (in gigabytes):
   
  qemu-img create {{image_name.img}} {{gigabytes}}G
   
• Show information about a disk image:
   
  qemu-img info {{image_name.img}}
   
• Increase or decrease image size:
   
  qemu-img resize {{image_name.img}} {{gigabytes}}G
   
• Dump the allocation state of every sector of the specified disk image:
   
  qemu-img map {{image_name.img}}
   
• Convert a VMware .vmdk disk image to a KVM .qcow2 disk image:
   
  qemu-img convert -f {{vmdk}} -O {{qcow2}} {{path/to/file/foo.vmdk}} {{path/to/file/foo.qcow2}}