ping: http://xxx.com: Name or service not known

症状： root@vm71 ~ ping baidu.com ping: baidu.com: Name or service not known root@vm71 ~ ping 223.5.5.5 connect: Network is unreachable   解决思路 1.检查网卡是否链接 root@vm71 ~ nmcli d DEVICE TYPE STATE CONNECTION ens192 ethernet……