We use an electric drill attached to an inexpensive transfer pump, hooked up directly to that hose:    We found a brass fitting with the correct thread size to fit onto the end of the fitting at the end of the hose (from the bottom of the oil pan) with a barb on the other end to fit the hose pump.  The hose at other end of the pump goes into an old gallon jug (save one from the last oil change, or a milk jug).  

We formerly used one of those vacuum pumps with a hose that was stuck down the dipstick hole, but found a) it was slow, b) no matter how careful, it tended to make more of a mess in the galley, and c) the whole pump would get oily on the outside, had to be wrapped up in heavy plastic bags for transport in the car to be taken to a waste oil dropoff, and then washed down.    The drill pump hooked up to that drain hose method is much more compact and less of a mess.