References
CHAPTER 19
Managing Users,
Managing Security
The heart of Linux security is determining who can use
what file and what kind of use is permitted. This is not all
there is to making Linux a more secure system, but ultimately,
what is the purpose of computer security? Keeping
the bad guys out of your files.
In this chapter, you will learn about setting up user
accounts and creating and managing groups that work
together. There are decisions to make about user passwords:
Does the user select them, or does the administrator? How
strong must passwords be? How often to change them? In
this chapter, you??™ll get advice about security. In short, you??™ll
learn about the human side of system administration.
This stuff is particularly important for system administrators
in a multiuser office setting, but even if you are
working by yourself, you will need to become familiar with
permissions and passwords. This is the area where trouble
often starts, and it??™s the first thing to check when you can??™t
run something.
User Accounts and Permissions
All Linux systems require one administrator, the Root, and
at least one generic user, who can be the same person.
Pages:
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815