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]# cp ifcfg-eth0 ifcfg-br0 

6、vim ifcfg-eth0  

最后一行增加BRIDGE=br0即可

7、vim ifcfg-br0 

TYPE=Bridge

BOOTPROTO=dhcp

DEFROUTE=yes

PEERDNS=yes

PEERROUTES=yes

IPV4_FAILURE_FATAL=no

IPV6INIT=yes

IPV6_AUTOCONF=yes

IPV6_DEFROUTE=yes

IPV6_PEERDNS=yes

IPV6_PEERROUTES=yes

IPV6_FAILURE_FATAL=no

NAME=br0

DEVICE=br0

ONBOOT=yes

8、重启网卡

systemctl restart network