: Use mkdir /opt/unetlab/addons/qemu/win-7-custom to prepare the path.
To ensure your Windows 7 QCOW2 file runs smoothly, apply these post-installation tweaks: windows 7 qcow2 file
To create a new disk image, use the QEMU Command Line : qemu-img create -f qcow2 win7.qcow2 40G . Windows 7.qcow2 - Google Groups windows 7 qcow2 file