SLES 12
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Add Users
2015/11/21
[1] Add a new user account.
localhost:~ #
useradd -m suse

localhost:~ #
passwd suse

New password:
# set password

Retype new password:
# confirm

passwd: password updated successfully
localhost:~ #
# logout

[2] Try to switch to a user that was added above.
localhost login:
suse
# nput user name

password:
# password

suse@localhost:~>
su -
# switch to root

Password:
# root password

localhost:~ #
# just switched to root

[3] Make a user (it's [suse] in this example) be only a user who can su to others.
localhost:~ #
usermod -G wheel root

localhost:~ #
usermod -G wheel suse

localhost:~ #
vi /etc/pam.d/su
# line 2: add

auth     required       pam_wheel.so

localhost:~ #
vi /etc/pam.d/su-l
# line 2: add

auth     required       pam_wheel.so
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