kvm 安装

lsmod | grep kvm

yum -y install bridge-utils

systemctl restart network

[root@openstack network-scripts] # cat ifcfg-br0
TYPE= "Bridge" // 这一行修改为Bridge
PROXY_METHOD= "none"
BROWSER_ONLY= "no"
BOOTPROTO= "none"
DEFROUTE= "yes"
IPV4_FAILURE_FATAL= "no"
IPV6INIT= "no"
IPV6_AUTOCONF= "yes"
IPV6_DEFROUTE= "yes"
IPV6_FAILURE_FATAL= "no"
IPV6_ADDR_GEN_MODE= "stable-privacy"
NAME= "br0" // 修改设备名称为br0

#UUID="fdbad04f-dae3-440e-8a8b-01d6a7bc9fe0" //这一行注释

DEVICE= "br0" // 修改设备为br0
ONBOOT= "yes"
IPADDR= "192.168.10.210"
PREFIX= "24"
GATEWAY= "192.168.10.1"
DNS1= "8.8.8.8"o

[root@openstack network-scripts] # cat ifcfg-eno1
TYPE= "Ethernet"
BRIDGE=br0 // 添加这一行
PROXY_METHOD= "none"
BROWSER_ONLY= "no"
BOOTPROTO= "none"
DEFROUTE= "yes"
IPV4_FAILURE_FATAL= "no"
IPV6INIT= "no"
IPV6_AUTOCONF= "yes"
IPV6_DEFROUTE= "yes"
IPV6_FAILURE_FATAL= "no"
IPV6_ADDR_GEN_MODE= "stable-privacy"
NAME= "eno1"
UUID= "fdbad04f-dae3-440e-8a8b-01d6a7bc9fe0"
DEVICE= "eno1"
ONBOOT= "yes"
#IPADDR="192.168.10.210" //注释掉这几行
#PREFIX="24"
#GATEWAY="192.168.10.1"
#DNS1="8.8.8.8"

systemctl start libvirtd
systemctl enable libvirtd

kvm 安装

原文：https://www.cnblogs.com/niwajiang1/p/11703063.html