---Ubuntu 连接手机tethering

http://darwinpedia.blogspot.com/2017/09/ubuntu-server-1604-connection-via-usb.html

Android USB tethering enable/disable:
Settings menu->Wireless and Network->More->Tethering & portable hotspot and enable USB tethering 

/etc/network/interfaces:
auto usb0
iface usb0 inet dhcp