Management of the Linux su command

One, Su Rights management

Non-root accounts can be su to root, managed through/ETC/PAM.D/SU

# Uncomment the following line to require a user to being in the "wheel" group.# Auth required pam_wheel.so Use_uid

After canceling the comment, all other users are only able to su to root in the wheel group

Ii. changes to the order of the group

USERMOD-G Wheel Username

-G Change the group where the user logged in

-G add other not landing preferred groups

/etc/login.defs

Management of the Linux su command