Above script with correct formatting: qemu-img create -f qcow2 f.img 1G mkfs.ext4 f.img modprobe nbd || true qemu-nbd -c /dev/nbd0 f.img mount /dev/n

Above script with correct formatting: qemu-img create -f qcow2 f.img 1G mkfs.ext4 f.img modprobe nbd || true qemu-nbd -c /dev/nbd0 f.img mount /dev/nbd0 k killall -KILL qemu-nbd sleep 1 ls k