qemu-img

TLDR

Create disk image

$ qemu-img create -f [qcow2] [disk.qcow2] [20G]

Convert image format

$ qemu-img convert -f [raw] -O [qcow2] [input.img] [output.qcow2]

Show image info

$ qemu-img info [disk.qcow2]

Resize image

$ qemu-img resize [disk.qcow2] +[10G]

Create snapshot

$ qemu-img snapshot -c [snapshot1] [disk.qcow2]

SYNOPSIS

qemu-img command [options]

DESCRIPTION

qemu-img manages QEMU disk images. Image creation and manipulation.
The tool creates and converts images. Supports various formats.
qemu-img handles disk images.

PARAMETERS

create

Create new image.

convert

Convert format.

info

Show image info.

resize

Resize image.

snapshot

Manage snapshots.

-f FORMAT

Image format.

-O FORMAT

Output format.

CAVEATS

Part of QEMU suite. Various format options.

HISTORY

qemu-img is part of QEMU for disk image management.