This creates a 40GB virtual disk that starts out very small and grows as you install the OS. Boosting Performance with VirtIO Windows 8 doesn't natively include
To ensure Windows 8 tells the QCOW2 image when sectors are no longer in use, enable discard/TRIM support in your VM XML file configuration (if using Libvirt/virt-manager) or your command-line arguments:
qemu-img convert -O qcow2 -c windows8.qcow2 compressed_win8.qcow2 Use code with caution.
: You can capture the state of the Windows 8 VM at a specific point in time and revert to it later, which is useful for testing updates or software.
sudo apt update sudo apt install qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virt-manager ovmf Use code with caution. You will also need: A Windows 8 or Windows 8.1 ISO file.
Drill down into the directory structure: viostor -> w8 -> amd64 (or x86 if running a 32-bit architecture).
Choose "Local install media (ISO or CDROM)" and select your Windows 8 ISO. Operating System: Select "Windows 8" or "Windows 8.1".