Add oracle user to sudoers


 * Log on as root user

su - root

oracle    ALL=(ALL)      ALL
 * Modify /etc/sudoers, insert new line
 * 1) Add oracle user

oracle    ALL=(ALL)      NOPASSWD: ALL
 * 1) Add oracle user without  password prompted

%dba    ALL=(ALL)      ALL
 * 1) Add dba group