编辑网卡信息，固定ip

vi /etc/sysconfig/network-scripts/ifcfg-ens33

TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO="static"
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=ens33
UUID=9df1467f-dbac-4eb8-a25a-f8c305da8392
DEVICE=ens33
ONBOOT=yes
IPADDR=192.168.86.103
GATEWAY=192.168.86.2
NETMASK=255.255.255.0

service network restart

解决ping问题

vi /etc/resolv.conf

加入以下信息

nameserver 114.114.114.114