一、KVM的部署 1.1 Centos系统 需要提前配置好yum源，如果没有配置配置方式如下： $ cat centos.repo [centos7] name=centos7 baseurl=https://mirrors.tuna.tsinghua.edu.cn/centos/7/os/x86_64/ gpgcheck=0 部署KVM工具包 yum install -y qemu-kvm qemu-kvm-tools libvirt libvirt-client virt-manager virt-install 启动服务 systemctl start libvirtd systemctl enable libvirtd 验证是否生成nat网卡virbr0 [13:57:12 root@centos7 ~]#ip a 4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether 52:54:00....