I got a laptop on ubuntu connected to my router via WIFI. I'd like to connect that laptop using an RJ45 cable to my Hi-Fi soundsystem (It doesn't support wireless) I'm new to Linux so i'm not sure what kind of bridge I need or even how to do it .
21 Answer
Found!
The graphical program that shows the feature you need is
nm-connection-editor
Launch it from a terminal window.
When it opens, select the wired connection item, clicking the edit button (the cog). In that menu, switch to the IPv4 tab, and select the method: 'shared to other computers', save everything and connect your cable if you haven't already.
That's all
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