Old boy Education daily-75th Day-linux can't surf the internet or network?

Reference answer 1.ping Baidu or a URL-check for DNS issues

Ping www.baidu.com

2. Couldn ' t resolve host or Unkown host error appears

There is no way to resolve the domain name to an IP address
How Ping 223.5.5.5----dns guilty--there's a problem--you're not configuring it.
Modify the DNS configuration to
Ping 223.5.5.5--If it doesn't work-please continue

3. See if there is a problem with the gateway

Route-n # #查看当前正在使用的网关

Ping Gateway # # #查看网关是否有问题

Troubleshooting process Plots

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User Answer

BEIJING-ka Ka
First look at the NIC itself there is no problem. If not a network segment. Native address translation can be done with iptables-t NAT

Note

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Old boy Education daily-75th Day-linux can't surf the internet or network?