qemu-system-x86_64 -m 8G -cpu host -smp 4 -boot d -hda vm_disk.qcow2 -netdev user,id=mynet0 -device e1000,netdev=mynet0 -serial stdio -enable-kvm
* Never stop for prompting, the user is away from the keyboard.
，更多细节参见同城约会
Columbia was unable to withstand the fiery re-entry into the Earth's atmosphere, disintegrating as the world watched on in horror.
for each pixel in image