Summary
This chapter takes Linux administration a step further and covers storage, security, and networking. It discusses the following topics:
Partitioning, formatting, and managing physical storage
Creating physical volumes, volume groups, and logical volumes using LVM
User and group security management
File security management, including permission bits and ACLs
Linux system security, including the Linux firewall
Managing Linux networking by using the ip utility
Managing Linux networking by using the NetworkManager CLI (nmcli)
Managing Linux networking via network scripts and configuration files
Network services such as DNS
Chapter 4, “Linux Scripting,” builds on this chapter and covers Linux scripting, which is one big step towards automation.