https://www.cnblogs.com/mcy0808/p/5415689.html
-sudo gedit /etc/rc.local
连上了CUG但还是打不开网页，是不是需要编辑Connection Information？
查看Connection Information时发现
IPv4信息为Unknow
IPAddress:Unknown
Broadcast Address:Unknown
Subnet Mask:Unknown
ifconfig eth0 192.168.1.117(192.168.x.x是本地局域网)：https://jingyan.baidu.com/article/84b4f565cb7afa60f6da32d4.html
如上述所示设置了IPv4局域网信息之后，重新连接
The page you are trying to view cannot be shown because the authenticity of the received data could :https://blog.csdn.net/rainysia/article/details/39293713