I would use either nmtui which is a network manager interface for the console, or just install the gnome network manager applet, but that has a lot of packages for dependencies. As for configuring, setting up and using i3wm there is a nice video series here:
https://www.youtube.com/watch?v=j1I63wGc...sU7ZmkGzcf
And of course the pretty good i3 documentation:
http://i3wm.org/docs/
https://www.youtube.com/watch?v=j1I63wGc...sU7ZmkGzcf
And of course the pretty good i3 documentation:
http://i3wm.org/docs/
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