In this post I discussed how to share internet through ethernet from a laptop.
To share wireless internet connection via Ethernet cable in Ubuntu to any device follow the below steps:
- Click the Network Icon from top-left bar and click Edit Connections…
- Select the item from Ethernet group and click Edit.
- Select IPv4 Settings tab and change Method to Shared to other computers.
Now Save and close all.
You probably need to restart your target device.
I tested the upper method in a Laptop with Ubuntu 16.04 LTS and the target device is a desktop with Windows 10.