Very easily?
Yes.
So it's a multichoice box somewhere in the GUI then?
No.
The non-easy solution was to modify or make a gconf key. Is that really the easy way of doing it?
Nope.
Just use Ubuntu Tweak and quit complaining. It's even easier than a dropdown box, you just drag the buttons around, and they change in real time. Before you complain that they're third party, think about the name for one second, the tool for tweaking Ubuntu is named Ubuntu Tweak, what more do you really want.
I'm assuming that PackageKit still requires root to modify shared system areas where the owner is root (e.g.
No, that's exactly what people are upset about, that any random account logged in to the physical machine can write to
Sigmund Freud is alleged to have said that in the last analysis the entire field of psychology may reduce to biological electrochemistry.