6 调整CPU

9. 调整cpu和内存查看子机配置：
virsh dominfo test02
virsh edit  test02
修改：
  <memory unit='KiB'>524288</memory>
  <currentMemory unit='KiB'>524288</currentMemory>
  <vcpu placement='static'>1</vcpu>

为：
  <memory unit='KiB'>624288</memory>
  <currentMemory unit='KiB'>624288</currentMemory>
  <vcpu placement='static'>2</vcpu>
增加网卡
列出网卡 
virsh domiflist aming5
增加网卡 virsh attach-interface aming5 --type bridge --source br0

  virsh dumpxml aming5 > /etc/libvirt/qemu/aming5.xml
virsh console aming5
重启虚拟机：
virsh destroy test02
virsh start test02