Managing Disk Space with LVM (5 tags)
Linux's Logical Volume Manager (LVM) allows you to create virtual disk partitions out of one or more hard drives. This makes it easy to manage growth in filesystems. Combined with RAID, it provides a nearly unbeatable way to keep your files safe and available. Bryce Harrington and Kees Cook show how to configure LVM, how to combine it with RAID, and how to use it on desktop machines too.
Mac Security: Identifying Changes to the File System (2 tags)
Black-hat hackers often use a bundle of tools called a rootkit to secure access to your machine and cover their tracks. When working on your computer, they need to store files and be sure that you will not stumble across them and get suspicious. Peter Hickman explains how this works.