Centos 7安装KVM方法

1、grep -Ei 'vmx|svm' /proc/cpuinfo|more

2、yum install virt-* libvirt bridge-utils qemu-img

3、查看kvm模块支持确认载入kvm模块验证方法[root@localhost ~]# lsmod | grep kvm

4、启动libvirtd服务[root@localhost ~]# systemctl start libvirtd

5、增加一个桥接网卡[root@localhost ~]# cd /etc/sysconfig/network-scripts/[root@localhost network-scripts]# 艘早祓胂cp ifcfg-eth0 ifcfg-br0

6、vim ifcfg-eth0 最后一行增加BRIDGE=br0即可

7、vim ifcfg-br0TYPE=BridgeBOOTPROTO=dhcpDEFROUTE=yesPEER肛舀辨乔DNS=yesPEERROUTES=yesIPV4_FAILURE_FATAL=noIPV6INIT=yesIPV6_AUTOCONF=yesIPV6_DEFROUTE=yesIPV6_PEERDNS=yesIPV6_PEERROUTES=yesIPV6_FAILURE_FATAL=noNAME=br0DEVICE=br0ONBOOT=yes

8、重启网卡systemctl restart network