Section: Linux\-PAM Manual (8)
pam_rootok - Gain only root access
pam_rootok is a PAM module that authenticates the user if their
0. Applications that are created setuid-root generally retain the
of the user but run with the authority of an enhanced effective-UID. It is the real
that is checked.
Print debug information.
MODULE TYPES PROVIDED
module types are provided.
In the case of the
application the historical usage is to permit the superuser to adopt the identity of a lesser user without the use of a password. To obtain this behavior with PAM the following pair of lines are needed for the corresponding entry in the
# su authentication. Root is granted access by default.
auth sufficient pam_rootok.so
auth required pam_unix.so
pam_rootok was written by Andrew G. Morgan, <email@example.com>.