This module assumes a QCOW2 image file is already created for a QEMU/KVM virtual machine. Change directory to where QEMU is installed, and this article assumes the image file is in the main directory of QEMU.
The necessary operations require a bit of disk space and disk performance. It is best to perform these operations on a hard disk drive that is connected by an IDE or SATA bus for performance. After these operations, you can update files on a flash drive or external hard disk drive.