From: "Frank Haber" 

(Rack-mounting)

Ever tried the trick of installing a big rack shelf (2 screws, upside down)
UNDER where the server goes, then using 4 wooden wedges to line up the
screw holes?  The tapping of the rack rails lasts a lot longer if you're
careful, or shanghai a helper).

--- BBBS/NT v4.01 Flag-5