The other comment pointed out the installer, which I did forget about. But other then that what significant has changed?
Ubuntu's documentation, and lots of third party documentation targeting ubuntu, is like 10 years out of date for lots of things anyways, and even when it _works_ often gives bad advice that either was never true or hasn't been true for years.
Ubuntu's documentation, and lots of third party documentation targeting ubuntu, is like 10 years out of date for lots of things anyways, and even when it _works_ often gives bad advice that either was never true or hasn't been true for years.