I don't quite agree that you need to be a super power user in order to use bash. I hardly knew the "L" of linux when I first started using bash!
nmtui looks interesting, is it available in Ubuntu repos? More importantly, does it work on a totally headless installation (like ubuntu-server) where no DE is yet installed?
There are a whole lot of other excellent linux tools which I'm totally dependent on, an entire post could be made about them.
I agree that you don't have to be a power user to get a lot out of bash. I'd just say that having a decent bash or zsh setup can make a beginner's life (and an expert's life) much easier. Especially the whole thing with autocompletion, syntax highlighting, and showing valuable info in the terminal.
I'm not 100% sure if nmtui is built into Ubuntu but it is in the Ubuntu packages. It does work on a server version! The first time I used nmtui was installing Arch and that process involves installing the desktop environment manually -- and for that you need network access first. :)
Make the post! That's what I did haha
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