Allegedly, on or about 22 September 2013, Joe Zeff sent:
It will be in /run/media/$USER/$DEVICE where $DEVICE is the drive's label if you set it, or whatever the OEM set up if you haven't. BTW, /run/media itself only exists when there's need for it, so looking there ahead of time won't work.
Does automounting even work in text mode? I thought Gnome or KDE stuck their oars in to do automounting.
If it doesn't, one could always manually mount it. Find out what it's device is (e.g. dmesg|tail), then mount /dev/sdb1 /media (or mount point of your own choice).