centos系统无法ping通网络

1、解决方法：因为DNS没有设置所以导致了ping外网ping不通。将DNS添加到文件/etc/resolv.conf 中search localdomainnameserver 192.168.0.1nameserver 61.139.2.69

2、重启网卡服务：systemctl restart network.service

3、成功ping通了