Introduction xliii Part I: System Management (Obj. 1.1 - 1.7) Chapter 1 Understanding Linux Fundamentals 3 "Do I Know This Already?" Quiz 3 Foundation Topics 6 Filesystem Hierarchy Standard 6 Basic Boot Process 8 Boot Loaders and Files 14 When Kernels Panic 22 Device Types in /dev 23 Installing Software from Source 24 Storage Concepts 28 Listing Your Hardware Info 35 Summary 38 Exam Preparation Tasks 39 Review All Key Topics 39 Define Key Terms 40 Review Questions 40 Chapter 2 Managing Files and Directories 43 "Do I Know This Already?" Quiz 43 Foundation Topics 46 File and Directory Operations 46 File Metadata and File Types 57 Soft and Hard Links 60 File Compression, Archiving, and Backup 63 Copying Objects Between Systems 78 File Editing 82 Feeling a Bit (awk)ward 92 The printf Function 94 Summary 95 Exam Preparation Tasks 96 Review All Key Topics 96 Define Key Terms 97 Review Questions 97 Chapter 3 Configuring and Managing Storage 101 "Do I Know This Already?" Quiz 101 Foundation Topics 104 Determining Storage Hardware 104 Performing Disk Partitioning 108 Inspecting and Managing Software RAID 114 Using Logical Volume Manager (LVM) 114 Mounting Local and Remote Devices 118 Monitoring Storage Space and Disk Usage 123 Filesystem Management 126 Storage Area Networks/Network-Attached Storage 131 Summary 134 Exam Preparation Tasks 135 Review All Key Topics 135 Define Key Terms 136 Review Questions 136 Chapter 4 Managing Processes and Services 139 "Do I Know This Already?" Quiz 139 Foundation Topics 142 Managing Processes 142 systemd 159 Scheduling Services 170 Summary 180 Exam Preparation Tasks 181 Review All Key Topics 181 Define Key Terms 182 Review Questions 182 Chapter 5 Using Network Tools and Configuration Files 185 "Do I Know This Already?" Quiz 186 Foundation Topics 188 Interface Management 188 Name Resolution 199 Network Monitoring 207 Remote Networking Tools 217 Summary 221 Exam Preparation Tasks 222 Review All Key Topics 222 Define Key Terms 223 Review Questions 223 Chapter 6 Building and Installing Software 225 "Do I Know This Already?" Quiz 226 Foundation Topics 228 Package Management 228 Sandboxed Applications 268 System Updates 270 Summary 275 Exam Preparation Tasks 276 Review All Key Topics 276 Define Key Terms 277 Chapter 7 Managing Software Configurations 281 "Do I Know This Already?" Quiz 281 Foundation Topics 283 Updating Configuration Files 283 Configuring Kernel Options 289 Configuring Common System Services 300 Representing Locales 304 Summary 315 Exam Preparation Tasks 316 Review All Key Topics 316 Define Key Terms 317 Review Questions 317 Part II: Security (Obj. 2.1 - 2.5) Chapter 8 Understanding Linux Security Best Practices 321 "Do I Know This Already?" Quiz 321 Foundation Topics 323 Public Key Infrastructure 323 Certificate Use Cases 325 Authentication 326 Linux Hardening 333 Summary 348 Exam Preparation Tasks 349.