poespas/transform-an-physical-disk-into-a-vm.md

Last active March 24, 2026 08:37

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Transform an physical disk into a VM

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transform-an-physical-disk-into-a-vm.md

Transform an physical disk into a VM

Commands are ran from a liveUSB

Transfer raw image to external host

Use compression over the network, but extract on target

sudo dd if=/dev/nvme0n1 bs=256M status=progress | pigz -c -p 4 | ssh [user]@[host] "gunzip -c > /mnt/disks/dev-nvme0n1.img"

Transfer compressed image (.gz) to external host

sudo dd if=/dev/nvme0n1 bs=256M status=progress | pigz -c -p 4 | ssh [user]@[host] "cat > /mnt/disks/dev-nvme0n1.img.gz"

Convert disk to qcow2 format

$ qemu-img convert -f raw -O qcow2 /mnt/disks/dev-nvme0n1.img /mnt/disks/dev-nvme0n1.qcow2

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