About
The users of the wheel group are able to su to root. This usually consists of a group named “wheel” and a set of users that are permitted to use the utility ‘su’ in order to change to root.
The term is derived from the slang phrase big wheel, referring to a person with great power or influence
Management
Installation
- Create a “wheel” group
- Change the permissions of the su command so that only those in the wheel group may run it.
PAM
In the pluggable authentication module, there is a wheel module. See the wheel PAM module