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prasimix
Asked: 2018-12-26 11:13:27 +0800 CST

Share wireless Internet connection through Ethernet on 18.04 LTS

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I've in the past successfully set sharing of wireless Internet connection through Ethernet on Ubuntu 16.04 as described here. Unfortunately due to disk failure I install Ubuntu 18.04 LTS and cannot find anything similar to what is described in mentioned post. All menus are now different and I don't know where to look.

wireless sharing ethernet

2 Answers

  1. Follows these steps:

    1. Open nm-connection-editor from the terminal

      nm-connection-editor

    2. Click on the wired connection and select edit cog wheel below

      enter image description here

    3. Go to the ipv4 settings tab there in the Method select Shared to Other Computers

      enter image description here

    Source:

    https://www.crookm.com/journal/2018/sharing-wifi-connection-over-ethernet/

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  2. I recently needed to do this in a terminal environment.

    The main reason being nm-connection-editor will not open on manjaro running on a pinephone.

    After much looking and words with Jesus, I was given: https://fedoramagazine.org/internet-connection-sharing-networkmanager/

    Which for my needs of sharing over "eth0" produced:

    "nmcli connection add type ethernet ifname eth0 ipv4.method shared con-name local"

    Since my desktop was already configuring for what I can only guess is some sort of ubuntu-ish default for this sort of thing, the wireless connection was shared and I immediately gained internet connectivity on my desktop.

    IPv4 10.42.0.142 subnetmask 255.255.255.0 gateway 10.42.0.1

    This information can of course be found on the device sharing the connection with: "ip address show" then look for the interface you are sharing, in my case it is "6: eth0". The gateway information was 2-3 lines below.

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