On Thu, Aug 19, 2010 at 2:47 PM, mcclnx mcc <mcclnx at yahoo.com.tw> wrote: > Sorry. following way does NOT work. > user1 (ALL)=user2 /bin/bash > Leave off su entirely and > sudo -H user2 -i > as user1 Because you have to run sudo -i -u user2 as user1