###1.查看主机ip地址及网关###
    # ifconfig  
###2.修改配置###
    在虚拟机中找到/etc/sysconfig/network-scripts/ifcfg-enp0s3文件并编辑
    TYPE=Ethernet
    BOOTPROTO=none
    DEFROUTE=yes
    IPV4_FAILURE_FATAL=no
    IPV6INI=yes
    IPV6_AUTOCONF=yes
    IPV6_DEFROUTE=yes
    IPV6_FAILURE_FATAL=no
    IPV6_ADDR_GEN_MODE=stable-privacy
    NAME=enp0s3
    UUID=xxxxxxx
    DEVICE=enp0s3
    ONBOOT=yes  
IPADDR=192.168.xx.xx (和宿主主机同一网段)  
PREFIX=24  
GATEWAY=192.168.xx.xx  
DNS1=114.114.114.114  
DNS2=8.8.8.8  
IPV6_PEERDNS=yes  
IPV6_PEERROUTES=yes  3.重启服务
# service network restart  
查看ip地址命令:# ip add