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Seriously people. Tramp mode is your friend. It can even two two or more hops.

It's even more seamless than using the other machine's Emacs. Sometimes I have to remind myself which things are on which machine.

Does anyone have any idea how to do this with vim? I guess it would be possible with ssh maybe?

You could always mount an sshfs

Look at 'netrw" plugin, which has been bundled as one of the default plugins with vim for years now.

And you can sudo/su on the remote.