Living with a roommate means splitting utility bills, and the internet is no exception. Even if you're not well-acquainted with your roommate(s) yet, at the very least, you'll have to be on the same ...

If by "ethernet is unchecked in network control panel" you mean it's unchecked in the Network Port Configuration list, go ahead and make sure it's checked. It won't show up in the Sharing pref pane as ...