1. wget https://people.debian.org/~aurel32/qemu/amd64/debian_wheezy_amd64_standard.qcow2
  2. qemu-system-x86_64 -name debian -vnc $YOUR_IP:0 -cpu Nehalem -m 1024 -hda debian_wheezy_amd64_standard.qcow2 -daemonize
  3. 使用 vncviewer(Windows),输出$YOUR_IP:0查看系统启动情况

参考资料