On Thu, 19 Aug 2010, mcclnx mcc wrote: > we have CENTOS 5.2 on DELL server. we need allow a user can "su" to another user without password. > > for example: > > account user1 can "su - user2" without password. (user2 is NOT root) > man sudo ---------------------------------------------------------------------- Jim Wildman, CISSP, RHCE jim at rossberry.com http://www.rossberry.com "Society in every state is a blessing, but Government, even in its best state, is a necessary evil; in its worst state, an intolerable one." Thomas Paine