raspberry connect internet through USB0

procudure.md

1. Get a static IP vi /etc/network/interfaces

allow-hotplug usb0
iface usb0 inet static
        address 192.168.7.2
        netmask 255.255.255.0
        network 192.168.7.0
        broadcast 192.168.7.255
        gateway 192.168.7.1

2. set IPV4 FORWARD

sudo iptables -I FORWARD -s 192.168.7.0/24 -j ACCEPT
sudo iptables -I FORWARD -o 192.168.7.0/24 -j ACCEPT
sudo iptables -t nat -I POSTROUTING -o eno1 -s 192.168.7.0/24 -j MASQUERADE