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Thread: 18.04 can't get ethernet share to work

  1. #1
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    18.04 can't get ethernet share to work

    Hello,
    I can't get internet connection sharing to work in LUBUNTU 18.04.
    Does not work in LUBUNTU 20.04, either.
    I use it to transfer large files or do big rsync on hardwired ethernet LAN.
    Works like a charm in LUBUNTU 16.04. Any ideas??
    Thanks,
    Rod

    Last edited by rodbme; September 20th, 2020 at 08:18 PM.

  2. #2
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    Re: 18.04 can't get ethernet share to work

    What is "ethernet share?"

  3. #3
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    Re: 18.04 can't get ethernet share to work

    Quote Originally Posted by TheFu View Post
    What is "ethernet share?"
    Probably a "bridge".
    It was a long time ago but I remember Unity having an easy to use setting for that. The same is missing in any Gnome based releases but I'm sure the same can be done with commands.

  4. #4
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    Re: 18.04 can't get ethernet share to work

    Thought it might be about setting up a samba server for file sharing?
    https://ubuntu.com/tutorials/install...mba#1-overview

    We don't see internet connection sharing very often around here since everyone got home routers.
    https://help.ubuntu.com/community/In...nectionSharing

    We'll need help from the OP to understand better. Hopefully, there isn't any wifi involved. That makes stuff like this harder.
    Last edited by TheFu; September 20th, 2020 at 11:35 PM.

  5. #5
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    Re: 18.04 can't get ethernet share to work

    Fu,
    Thank you for the reply. I note the ....connectionSharing post stops at 16.04, does not include 18.04
    Rod

  6. #6
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    Re: 18.04 can't get ethernet share to work

    Quote Originally Posted by rodbme View Post
    Fu,
    Thank you for the reply. I note the ....connectionSharing post stops at 16.04, does not include 18.04
    Rod
    Can you describe the topology? Maybe there is a different term that will click so we can help besides suggesting setting up the "server" as a router.

  7. #7
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    Re: 18.04 can't get ethernet share to work

    In a desktop LUBUNTU 18.04, or 20.04:
    1. hardware topology: wifi to WAN, hard wired ethernet to LAN
    2. software: go to preferences, network connections, edit ethernet connection, IPV4 settings, select "Shared to other computers"

    Works on LUBUNTU 16.04, not on 18.04 nor 20.04

    Maybe the subject should be changed to read "Is there any way to have ethernet LAN support on 18 .04"

  8. #8
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    Re: 18.04 can't get ethernet share to work

    LAN on 18.04 works. Use network manager or netplan to configure it. But that's not the same as turning Ubuntu into a router.
    Routers have more different security requirements than a desktop.

    https://help.ubuntu.com/community/Router

  9. #9
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    Re: 18.04 can't get ethernet share to work

    Fu,
    Thank you again for the reply.When I use the network manager, under the IPV4 settings, the choices offered are Automatic, Manual, Link-local, Shared, and Disabled.
    Link-local appears not to work. What setting should I select for LAN?
    Regards,
    Rod

  10. #10
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    Re: 18.04 can't get ethernet share to work

    Sorry, but I've not tried to use network manager in about a decade. I purge it from all my systems. Does the Ubuntu Desktop Guide not have instructions?

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