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Master every objective on the RHCSA and RHCE exams * 4 Practice Exams (2 RHCSA and 2 RHCE) * More than 40 interactive hands-on exercises and performance-based CLI simulations * 3 Virtual Machines to help you test your skills in a real-world environment * More than 30 minutes of unique video examining pre-assessment theoretical exams so you know if you are prepared to take the tests * More than 2 hours of video instruction from our best-selling RHCSA and RHCE Complete Video Courses * 40 interactive chapter and glossary quizzes This study guide helps you master topics on both the Red Hat RHCSA (EX200) and RHCE (EX300) exams for Red Hat Enterprise Linux Version 7, including: Part 1: RHCSA * Basic System Management: Installation, tools, text files, server connections; user, group, and permissions management; network configuration * Operating Running Systems: Process management, VMs, package installation, task scheduling, logging, managing partitions, and LVM logical volumes * Advanced System Administration: Basic kernel management, basic Apache server configuration, boot procedures/troubleshooting * Managing Network Services: Using Kickstart; managing SELinux; configuring firewalls, remote mounts, FTP, and time services Part 2: RHCE * System Configuration/Management: External authentication/authorization, iSCSI SANs, performance reporting, optimization, logging, routing/advanced networking, and Bash scripting * System Security: Configuring firewalls, advanced Apache services, DNS, MariaDB, NFS, Samba, SMTP, SSH, and time synchronization Red Hat RHCSA/RHCE 7 Cert Guide contains proven study features that allow you to succeed on the exam the first time. Best-selling author and top Linux consultant Sander van Vugt shares preparation hints and test-taking tips, helping you identify areas of weakness to improve both your conceptual knowledge and hands-on skills. This complete study package includes the following: * A test-preparation routine proven to help you pass Red Hats tough certification exams * Clearly defined chapter learning objectives covering all RHCSA (EX200) and RHCE (EX300) exam topics * Chapter-ending review questions to help you drill on key concepts you must know thoroughly * Chapter-ending labs showing what real exam tasks and assignments look like * 4 Practice Exams that appear in the book and also on the on the companion website and DVD (2 RHCSA and 2 RHCE), so you can thoroughly test your skills before taking your actual exams * More than 40 Interactive Hands-on Exercises and 40 Interactive Quizzes to help you immediately test and reinforce your knowledge * 4 advanced Command-Line Interface simulations (2 RHCSA and 2 RHCE) walking you through realistic, complex, multi-step Red Hat scenarios * Interactive Glossary Quiz on the companion website and DVD allowing you to test yourself on every glossary term covered in the book * 21/2+ hours of video training: 30 minutes of unique test-prep videos plus more than 2 hours of instruction from the best-selling RHCSA and RHCE Complete Video Course series * 3 Virtual Machines on the companion website and DVD giving you easy access to a reliable environment for working through this books labs and exercises * A final preparation chapter, which guides you through tools and resources to help you craft your review and test-taking strategies * Two Theoretical Pre-Assessment Exams (one RHCSA and one RHCE) so you can assess your skills and determine the best study path * An Exam Essentials appendix that quickly recaps all major chapter topics for easy reference, found on both the companion website and DVD * Study plan suggestions and templates to help you organize and optimize your study time Companion Website and DVD The companion website and DVD contain 4 practice exams, exercises, quizzes, virtual labs, video, and more. For details, open the DVD or access the companion website at www.pearsonitcertification.com/ Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice TestsIntroduction xxxix Part 1: RHCSA 3 Chapter 1 Installing Red Hat Enterprise Linux Server 7 „Do I Know This Already?” Quiz 7 Foundation Topics 11 Preparing to Install Red Hat Enterprise Linux 11 What Is Red Hat Enterprise Linux 7 Server? 11 Getting the Software 12 Using CentOS 12 Other Distributions 13 Understanding Access to Repositories 13 Understanding Red Hat Enterprise Linux 7 Server Variants and Add-Ons 14 Setup Requirements 15 Course Environment Description 16 Performing a Manual Installation 17 Summary 29 Exam Preparation Tasks 29 Review All Key Topics 29 Define Key Terms 30 Review Questions 30 End-of-Chapter Labs 30 Lab 1.1 31 Chapter 2 Using Essential Tools 33 „Do I Know This Already?” Quiz 33 Foundation Topics 36 Basic Shell Skills 36 Executing Commands 36 I/O Redirection 37 Using Pipes 39 History 40 Bash Completion 42 Editing Files with vim 42 Understanding the Shell Environment 45 Understanding Variables 45 Environment Configuration Files 46 Using /etc/motd and /etc/issue 46 Finding Help 47 Using –help 48 Using man 48 Finding the Right man Page 48 Updating mandb 50 Using info 51 Using /usr/share/doc Documentation Files 53 Summary 53 Exam Prep Tasks 53 Review All Key Topics 53 Complete Tables and Lists from Memory 53 Define Key Terms 54 Review Questions 54 End-of-Chapter Labs 54 Lab 2.1 55 Chapter 3 Essential File Management Tools 57 Do I Know This Already Quiz 57 Foundation Topics 60 Working with the File System Hierarchy 60 Defining the File System Hierarchy 60 Understanding Mounts 61 Managing Files 66 Working with Wildcards 67 Managing and Working with Directories 67 Working with Absolute and Relative Pathnames 68 Listing Files and Directories 69 Copying Files 70 Moving Files 71 Deleting Files 71 Using Links 73 Understanding Hard Links 73 Understanding Symbolic Links 74 Creating Links 74 Removing Links 75 Working with Archives and Compressed Files 76 Managing Archives with tar 77 Using Compression 78 Summary 80 Exam Preparation Tasks 80 Review All Key Topics 80 Complete Tables and Lists from Memory 81 Define Key Terms 81 Review Questions 81 End-of-Chapter Labs 82 Lab 3.1 82 Chapter 4 Working with Text Files 85 „Do I Know This Already?” Quiz 85 Foundation Topics 88 Using Common Text File-Related Tools 88 Doing More with Less 88 Showing File Contents with cat 89 Displaying the First or Last Lines of a File with head and tail 90 Filtering Specific Columns with cut 91 Sorting File Contents and Output with sort 91 Counting Lines, Words, and Characters with wc 93 A Primer to Using Regular Expressions 93 Using Line Anchors 94 Using Escaping in Regular Expressions 95 Using Wildcards and Multipliers 95 Using grep to Analyze Text 96 Working with Other Useful Text Processing Utilities 97 Summary 99 Exam Preparation Tasks 99 Review All Key Topics 99 Complete Tables and Lists from Memory 99 Define Key Terms 100 Review Questions 100 End-of-Chapter Labs 100 Lab 4.1 100 Chapter 5 Connecting to Red Hat Enterprise Linux 7 103 „Do I Know This Already?” Quiz 103 Foundation Topics 106 Working on Local Consoles 106 Logging In to a Local Console 106 Switching Between Terminals in a Graphical Environment 107 Working with Multiple Terminals in a Nongraphical Environment 108 Understanding Pseudo Terminal Devices 109 Booting, Rebooting, and Shutting Down Systems 110 Using SSH and Related Utilities 112 Accessing Remote Systems Using SSH 112 Using Graphical Applications in an SSH Environment 114 Securely Transferring Files Between Systems 115 Configuring Key-Based Authentication for SSH 116 Using Passphrases or Not? 117 Using the screen Command 118 Summary 119 Exam Preparation Tasks 120 Review All Key Topics 120 Define Key Terms 120 Review Questions 120 End-of-Chapter Labs 121 Lab 5.1 121 Chapter 6 User and Group Management 123 „Do I Know This Already?” Quiz 123 Foundation Topics 126 Different User Types 126 Users on Linux 126 Working as Root 126 Using su 127 sudo 128 PolicyKit 128 Managing User Accounts 129 System and Normal Accounts 129 Creating Users 132 Managing User Properties 134 Configuration Files for User Management Defaults 134 Managing Password Properties 135 Creating a User Environment 136 Creating and Managing Group Accounts 137 Understanding Linux Groups 137 Creating Groups 138 Managing Group Properties 139 Logging In Through an External Authentication Service 140 Understanding LDAP 140 Making the Authentication Platform Available 142 Configuring RHEL 7 for LDAP Authentication 142 Managing nslcd 143 Managing sssd 144 Summary 146 Exam Preparation Tasks 146 Review All Key Topics 146 Complete Tables and Lists from Memory 147 Define Key Terms 147 Review Questions 147 End-of-Chapter Labs 148 Lab 6.1 148 Lab 6.2 148 Chapter 7 Configuring Permissions 151 „Do I Know This Already?” Quiz 151 Foundation Topics 155 Managing File Ownership 155 Displaying Ownership 155 Changing User Ownership 156 Changing Group Ownership 156 Understanding Default Ownership 157 Managing Basic Permissions 158 Understanding Read, Write, and Execute Permissions 158 Applying Read, Write, and Execute Permissions 159 Managing Advanced Permissions 161 Understanding Advanced Permissions 161 Applying Advanced Permissions 164 Managing ACLs 165 Understanding ACLs 166 Preparing Your File System for ACLs 166 Changing and Viewing ACL Settings with setfacl and getfacl 166 Working with Default ACLs 168 Setting Default Permissions with umask 169 Working with User Extended Attributes 170 Summary 172 Exam Preparation Tasks 172 Review All Key Topics 172 Define Key Terms 173 Review Questions 173 End-of-Chapter Labs 173 Lab 7.1 173 Chapter 8 Configuring Networking 177 „Do I Know This Already?” Quiz 177 Foundation Topics 180 Networking Fundamentals 180 IP Addresses 180 IPv6 Addresses 181 Network Masks 181 Binary Notation 182 MAC Addresses 183 Protocol and Ports 183 Managing Network Addresses and Interfaces 183 Validating Network Configuration 184 Validating Network Address Configuration 185 Validating Routing 187 Validating the Availability of Ports and Services 187 Configuring Network Configuration with nmtui and nmcli 189 Configuring the Network with nmcli 189 Configuring the Network with nmtui 193 Working on Network Configuration Files 194 Setting Up Hostname and Name Resolution 196 Hostnames 196 DNS Resolving 198 Summary 200 Exam Prep Tasks 200 Review All Key Topics 200 Complete Tables and Lists from Memory 201 Define Key Terms 201 Review Questions 201 End-of-Chapter Labs 201 Lab 8.1 202 Chapter 9 Managing Processes 205 „Do I Know This Already?” Quiz 205 Foundation Topics 208 Introduction to Process Management 208 Managing Shell Jobs 208 Running Jobs in the Foreground and Background 208 Managing Shell Jobs 209 Managing Parent Child Relations 211 Using Common Command-Line Tools for Process Management 211 Understanding Processes and Threads 211 Using ps to Get Process Information 212 Adjusting Process Priority with nice 214 Sending Signals to Processes with kill, killall, and pkill 216 Using top to Manage Processes 218 Summary 220 Exam Preparation Tasks 220 Review All Key Topics 220 Complete Tables and Lists from Memory 221 Define Key Terms 221 Review Questions 221 End-of-Chapter Labs 222 Lab 9.1 222 Chapter 10 Working with Virtual Machines 225 „Do I Know This Already?” Quiz 225 Foundation Topics 228 Understanding RHEL 7 Virtualization 228 Understanding KVM Virtualization 228 Understanding QEMU 228 Red Hat Beyond KVM 229 Understanding the Role of Libvirtd 229 Making Your Server a KVM Host 231 Checking Host Requirements 231 Installing the KVM Software 232 Understanding KVM Host Networking 233 Managing Virtual Machines 234 Installing Virtual Machines 234 Using KVM Virtual Machines 240 Accessing Virtual Machines from a Text-Only Console 241 Managing Virtual Machine Properties 242 Managing Virtual Machines from the Command Line 243 Monitoring Virtual Machine Activity from Top 244 Summary 245 Exam Prep Tasks 245 Review All Key Topics 245 Define Key Terms 246 Review Questions 246 End-of-Chapter Labs 247 Lab 10.1 247 Chapter 11 Managing Software 249 „Do I Know This Already?” Quiz 249 Foundation Topics 252 Managing Software Packages with yum 252 Understanding the Role of Repositories 252 Specifying Which Repository to Use 253 Understanding Repository Security 256 Creating Your Own Repository 259 Using yum 260 Using yum to Find Software Packages 261 Getting More Information About Packages 262 Installing and Removing Software Packages 263 Showing Lists of Packages 265 Updating Packages 267 Working with yum Package Groups 268 Using yum History 270 Managing Software Packages with rpm 271 Understanding RPM Filenames 272 Querying the RPM Database 273 Querying RPM Package Files 273 Using repoquery 275 Summary 276 Exam Preparation Tasks 276 Review All Key Topics 276 Complete Tables and Lists from Memory 277 Define Key Terms 277 Review Questions 277 End-of-Chapter Labs 278 Lab 11.1 278 Chapter 12 Scheduling Tasks 281 „Do I Know This Already?” Quiz 281 Configuring cron to Automate Recurring Tasks 284 Managing the cron Service 284 Understanding cron Timing 285 Managing cron Configuration Files 286 Understanding the Purpose of anacron 288 Managing cron Security 289 Configuring at to Schedule Future Tasks 290 Summary 291 Exam Preparation Tasks 291 Review All Key Topics 291 Define Key Terms 292 Review Questions 292 End-of-Chapter Labs 293 Lab 12.1 293 Chapter 13 Configuring Logging 295 „Do I Know This Already?” Quiz 295 Foundation Topics 298 Understanding System Logging 298 Understanding the Role of rsyslogd and journald 298 Reading Log Files 300 Understanding Log File Contents 300 Live Log File Monitoring 302 Using logger 302 Configuring rsyslogd 303 Understanding rsyslogd Configuration Files 303 Understanding rsyslog.conf Sections 304 Understanding Facilities, Priorities, and Log Destinations 304 Rotating Log Files 308 Working with journald 310 Using journalctl to Find Events 310 Preserving the systemd Journal 314 Summary 316 Exam Prep Tasks 316 Review All Key Topics 316 Define Key Terms 316 Review Questions 317 End-of-Chapter Labs 317 Lab 13.1 317 Chapter 14 Managing Partitions 319 „Do I Know This Already?” Quiz 319 Understanding MBR and GPT Partitions 322 Understanding the MBR Partitioning Scheme 322 Understanding the Need for GPT Partitioning 323 Understanding Storage Measurement Units 324 Managing Partitions and File Systems 324 Creating MBR Partitions with fdisk 325 Using Extended and Logical Partitions on MBR 329 Creating GPT Partitions with gdisk 330 Creating File Systems 334 Changing File System Properties 336 Adding Swap Partitions 338 Adding Swap Files 339 Mounting File Systems 339 Manually Mounting File Systems 340 Using Device Names, UUIDs, or Disk Labels 340 Automating File System Mounts Through /etc/fstab 341 Summary 344 Exam Preparation Tasks 344 Review All Key Topics 344 Complete Tables and Lists from Memory 345 Define Key Terms 345 Review Questions 345 End-of-Chapter Labs 346 Lab 14.1 346 Lab 14.2 346 Chapter 15 Managing LVM Logical Volumes 349 „Do I Know This Already?” Quiz 349 Foundation Topics 352 Understanding LVM 352 LVM Architecture 352 LVM Features 353 Creating LVM Logical Volumes 354 Creating the Physical Volumes 355 Creating the Volume Groups 359 Creating the Logical Volumes and File Systems 360 Understanding LVM Device Naming 361 Resizing LVM Logical Volumes 363 Resizing Volume Groups 363 Resizing Logical Volumes and File Systems 364 Summary 366 Exam Preparation Tasks 366 Review All Key Topics 366 Define Key Terms 366 Review Questions 366 End-of-Chapter Labs 367 Lab 15.1 367 Chapter 16 Basic Kernel Management 369 „Do I Know This Already?” Quiz 369 Foundation Topics 372 Understanding the Role of the Linux Kernel 372 Understanding the use of Kernel Threads and Drivers 372 Analyzing What the Kernel Is Doing 374 Working with Kernel Modules 375 Understanding Hardware Initialization 376 Managing Kernel Modules 378 Checking Driver Availability for Hardware Devices 381 Managing Kernel Module Parameters 383 Upgrading the Linux Kernel 384 Summary 384 Exam Preparation Tasks 384 Review All Key Topics 384 Define Key Terms 385 Review Questions 385 End-of-Chapter Labs 386 Lab 16.1 386 Chapter 17 Configuring a Basic Apache Server 389 „Do I Know This Already?” Quiz 389 Foundation Topics 392 Configuring a Basic Apache Server 392 Installing the Required Software 392 Identifying the Main
Configuration File 392 Creating Web Server Content 395 Understanding Apache Configuration Files 397 Creating Apache Virtual Hosts 398 Summary 400 Exam Preparation Tasks 401 Review All Key Topics 401 Define Key Terms 401 Review Questions 401 End-of-Chapter Labs 402 Lab 17.1 402 Chapter 18 Managing and Understanding the Boot Procedure 405 „Do I Know This Already?” Quiz 405 Foundation Topics 408 Working with Systemd 408 Understanding Systemd 408 Managing Units Through Systemd 413 Working with GRUB 2 420 Understanding GRUB 2 420 Modifying Default GRUB 2 Boot Options 423 Summary 424 Exam Prep Tasks 424 Review All Key Topics 424 Complete Tables and Lists from Memory 425 Define Key Terms 425 Review Questions 425 End-of-Chapter Labs 426 Lab 18.1 426 Lab 18.2 426 Chapter 19 Troubleshooting the Boot Procedure 429 „Do I Know This Already?” Quiz 429 Foundation Topics 432 Understanding the RHEL 7 Boot Procedure 432 Passing Kernel Boot Arguments 434 Accessing the Boot Prompt 434 Starting a Troubleshooting Target 435 Using a Rescue Disk 436 Restoring System Access Using a Rescue Disk 436 Reinstalling GRUB Using a Rescue Disk 439 Re-Creating the Initramfs Using a Rescue Disk 439 Fixing Common Issues 441 Reinstalling GRUB 2 441 Fixing the Initramfs 442 Recovering from File System Issues 442 Resetting the Root Password 443 Recovering Access to a Virtual Machine 444 Summary 446 Exam Prep Tasks 446 Review All Key Topics 446 Complete Tables and Lists from Memory 446 Define Key Terms 447 Review Questions 447 End-of-Chapter Labs 448 Lab 19.1 448 Chapter 20 Using Kickstart 451 „Do I Know This Already?” Quiz 451 Foundation Topics 454 Setting Up an Installation Server 454 Configuring a Network Server as Installation Server 454 Setting Up a TFTP and DHCP Server for PXE Boot 455 Installing the TFTP Server 456 Configuring DHCP for PXE Boot 457 Creating the TFTP PXE Server Content 458 Creating a Kickstart File 462 Using a Kickstart File to Perform an Automated Installation 462 Modifying the Kickstart File with system-config-kickstart 464 Making Manual Modifications to the Kickstart File 467 Summary 469 Exam Preparation Tasks 470 Review All Key Topics 470 Define Key Terms 470 Review Questions 470 End-of-Chapter Labs 471 Lab 20.1 471 Chapter 21 Managing SELinux 473 „Do I Know This Already?” Quiz 474 Foundation Topics 477 Understanding SELinux Working and Modes 477 Understanding Context Settings and the Policy 481 Monitoring Current Context Labels 481 Setting Context Types 483 Finding the Context Type You Need 486 Restoring Default File Contexts 487 Using Boolean Settings to Modify SELinux Settings 489 Diagnosing and Addressing SELinux Policy Violations 491 Making SELinux Analyzing Easier 492 Summary 494 Exam Prep Tasks 494 Review All Key Topics 494 Complete Tables and Lists from Memory 495 Define Key Terms 495 Review Questions 495 End-of-Chapter Labs 496 Lab 21.1 496 Chapter 22 Configuring a Firewall 499 „Do I Know This Already?” Quiz 499 Foundation Topics 502 Understanding Linux Firewalling 502 Understanding Previous Solutions 502 Understanding Firewalld 502 Understanding Firewalld Zones 503 Understanding Firewalld Services 504 Working with Firewalld 505 Working with Firewall-cmd 506 Working with Firewall-config 508 Summary 511 Exam Prep Tasks 511 Key Topics 511 Define Key Terms 512 Complete Tables and Lists from Memory 512 Review Questions 512 End-of-Chapter Labs 513 Chapter 23 Configuring Remote Mounts and FTP 515 „Do I Know This Already?” Quiz 515 Foundation Topics 519 Mounting NFS Shares 519 Understanding NFS Security Options 519 Understanding Kerberos Requirements 520 RHEL 7 NFS Support 521 Mounting the NFS Share 521 Mounting SMB File Systems 522 Discovering SMB Shares 523 Mounting SMB Shares 525 Authenticating to SMB Shares 525 Accessing Samba Shares Through the Graphical Interface 526 Mounting Remote File Systems Through fstab 528 Mounting NFS Shares Through fstab 528 Mounting SMB Shares Through fstab 529 Using Automount to Mount Remote File Systems 530 Understanding Automount 530 Configuring Automount for NFS 531 Using Wildcards in Automount 532 Using Automount to Mount SMB Shares 533 Configuring an FTP Server 533 Summary 535 Exam Preparation Tasks 535 Review All Key Topics 535 Complete Tables and Lists from Memory 536 Define Key Terms 536 Review Questions 536 End-of-Chapter Labs 537 Lab 23.1 537 Chapter 24 Configuring Time Services 539 „Do I Know This Already?” Quiz 539 Foundation Topics 542 Understanding Local Time 542 Using Network Time Protocol 543 Managing Time on Red Hat Enterprise Linux 543 Using date 544 Using hwclock 544 Using timedatectl 545 Managing Time Zone Settings 548 Using Graphical Tools to Manage Time 550 Summary 551 Exam Prep Tasks 551 Review All Key Topics 551 Complete Tables and Lists from Memory 551 Define Key Terms 552 Review Questions 552 End-of-Chapter Labs 552 Lab 24.1 552 Part 2 RHCE 555 Chapter 25 Configuring External Authentication and Authorization 557 „Do I Know This Already?” Quiz 557 Foundation Topics 560 Understanding Remote Authentication 560 Understanding Kerberos Basics 561 Understanding Kerberos Authentication 561 Understanding Kerberos Principals 563 Configuring LDAP Authentication with Kerberos Authorization 564 Using nslcd or sssd as the Authentication Backend Service 568 Setting Up External Authentication 569 Using an IPA Server or Active Directory 572 Summary 572 Exam Preparation Tasks 573 Review All Key Topics 573 Complete Tables and Lists from Memory 573 Define Key Terms 573 Review Questions 573 End-of-Chapter Labs 574 Lab 25.1 574 Chapter 26 Configuring an iSCSI SAN 577 „Do I Know This Already” Quiz 578 Foundation Topics 581 Understanding iSCSI 581 Comparing SAN Solutions 581 Software Versus Hardware iSCSI SAN 582 iSCSI SAN Architecture 582 iSCSI SAN Terminology 583 Setting Up the iSCSI Target 585 Opening the Firewall 594 Setting Up the iSCSI Initiator 596 Setting the iSCSI Initiatorname 596 Performing the Discovery 596 Making the Connection 598 Making iSCSI Connections Persistent 600 Troubleshooting iSCSI 602 Summary 603 Exam Preparation Tasks 603 Review All Key Topics 603 Complete Tables and Lists from Memory 603 Define Key Terms 604 Review Questions 604 End-of-Chapter Labs 604 Lab 26.1 604 Lab 26.2 605 Lab 26.3 605 Chapter 27 System Performance Reporting 607 „Do I Know This Already?” Quiz 607 Foundation Topics 610 Understanding top Performance Data 610 Understanding Load Average 610 CPU Performance Data 611 Memory Usage 612 Understanding Swap Usage 613 Process Memory Usage 615 Customizing top Display 615 Using iostat, vmstat, and pidstat 616 Using iostat 617 Using vmstat 618 Using pidstat 620 Configuring sar 621 Summary 622 Exam Preparation Tasks 622 Review All Key Topics 622 Complete Tables and Lists from Memory 623 Define Key Terms 623 Review Questions 623 End-of-Chapter Labs 624 Chapter 28 System Optimization Basics 627 „Do I Know This Already?” Quiz 627 Foundation Topics 630 Understanding System Optimization Basics 630 Understanding the /proc File System 631 Using /proc to Analyze Performance 631 Using /proc/sys to Tune Linux Performance 633 Using sysctl to Automate System Optimization Parameters 635 Summary 637 Exam Preparation Tasks 638 Review All Key Topics 638 Complete Tables and Lists from Memory 638 Define Key Terms 638 Review Questions 639 End-of-Chapter Labs 639 Lab 28.1 639 Chapter 29 Configuring Advanced Log Features 641 „Do I Know This Already?” Quiz 641 Foundation Topics 644 Understanding rsyslogd Modules 644 Understanding the Need for Modules 644 Using Modules in rsyslog Configuration 645 Connecting journald to rsyslog 646 Configuring Remote Logging 648 Understanding the Need for Remote Log Servers 648 Configuring Remote Logging 649 Summary 651 Exam Preparation Tasks 651 Review All Key Topics 651 Complete Tables and Lists from Memory 651 Define Key Terms 651 Review Questions 652 End-of-Chapter Labs 652 Lab 29.1 652 Chapter 30 Configuring Routing and Advanced Networking 655 „Do I Know This Already?” Quiz 655 Foundation Topics 658 Configuring Aggregated Network Interfaces 658 Using Bonding 658 Using Teaming 663 Configuring Network Teams 663 Looking Behind the Teaming Configuration 666 Troubleshooting Network Teaming 671 Configuring IPv6 Addresses 673 Understanding IPv6 Addresses 673 Managing IPv6 Address Configurations 675 Troubleshooting IPv6 676 Routing IP Traffic 677 Enabling Routing 677 Configuring Custom Routes 678 Summary 679 Exam Preparation Tasks 679 Review All Key Topics 679 Complete Tables and Lists from Memory 680 Define Key Terms 680 Review Questions 680 End-of-Chapter Labs 681 Lab 30.1 681 Chapter 31 An Introduction to Bash Shell Scripting 683 „Do I Know This Already?” Quiz 683 Foundation Topics 686 Understanding Shell Scripting Core Elements 686 Using Variables and Input 687 Using Positional Parameters 688 Working with Variables 689 Using Conditional Loops 691 Working with if then else 692 Using || and && 693 Applying for 693 Understanding while and until 695 Understanding case 696 Bash Shell Script Debugging 697 Summary 698 Exam Preparation Tasks 698 Review All Key Topics 698 Define Key Terms 699 Review Questions 699 End-of-Chapter Labs 699 Lab 31.1 699 Chapter 32 Advanced Firewall Configuration 701 „Do I Know This Already?” Quiz 701 Foundation Topics 705 Excluding Iptables Services 705 Creating Firewalld Services 706 Configuring Firewalld Rich Rules 708 Rich Rule Syntax 708 Ordering 709 Managing Rich Rules 709 Logging with Rich Rules 711 Configuring Network Address Translation 711 Configuring Masquerading 712 Configuring Port Forwarding 713 Summary 715 Exam Preparation Tasks 716 Review All Key Topics 716 Complete Tables and Lists from Memory 716 Define Key Terms 716 Review Questions 716 End-of-Chapter Labs 717 Lab 32.1 717 Chapter 33 Managing Advanced Apache Services 719 „Do I Know This Already?” Quiz 719 Foundation Topics 723 Revising Apache Basics 723 Essential Apache Parameters 723 Revising Apache SELinux-Related Settings 725 Configuring Write Access to the DocumentRoot 726 Configuring TLS Security 727 Understanding TLS Security 728 Configuring Apache for Using TLS Certificates 729 Deploying CGI Applications 731 Using Common Gateway Interface 731 Serving Dynamic PHP Content 732 Using Dynamic Python Content 733 Connecting to Databases 733 Configuring Private Directories 735 Summary 736 Exam Preparation Tasks 737 Review All Key Topics 737 Complete Tables and Lists from Memory 737 Define Key Terms 737 Review Questions 737 End-of-Chapter Labs 738 Lab 33.1 738 Chapter 34 Configuring DNS 741 „Do I Know This Already?” Quiz 741 Foundation Topics 744 Understanding DNS 744 The DNS Hierarchy 744 DNS Terminology 745 Understanding DNS Lookups 745 Understanding Resource Records 747 Setting Up a Cache-Only DNS Server 749 Understanding the Need for DNSSEC 749 Configuring the Unbound Caching Name Server 749 Configuring Trust Anchors 751 Troubleshooting DNS Issues 752 Dumping and Changing the Unbound Cache 753 Using dig 753 Analyzing Client Issues 755 Summary 755 Exam Preparation Tasks 755 Review All Key Topics 755 Complete Tables and Lists from Memory 756 Define Key Terms 756 End-of-Chapter Labs 757 Lab 34.1 757 Chapter 35 Configuring a MariaDB Database 759 „Do I Know This Already?” Quiz 759 Foundation Topics 762 MariaDB Base Configuration 762 Performing Simple Database Administration Tasks 768 Managing Users 771 MariaDB Backup and Restore 773 Summary 776 Exam Preparation Tasks 777 Review All Key Topics 777 Complete Tables and Lists from Memory 777 Define Key Terms 777 Review Questions 777 End-of-Chapter Labs 778 Lab 35.1 778 Chapter 36 Configuring NFS 781 „Do I Know This Already?” Quiz 781 Foundation Topics 785 Setting Up the Basic NFSv4 Server 785 Configuring the NFSv4 Server 785 Accessing NFS Shares 787 Testing Client Access with showmount 787 Making NFS Mounts Persistent 788 Configuring the Firewall for NFSv4 788 Configuring SELinux for NFSv4 788 Configuring NFS Kerberos Authentication 791 Understanding NFSv4 SELinux Transparency 795 Summary 796 Exam Prep Tasks 796 Review All Key Topics 796 Define Key Terms 797 Review Questions 797 End-of-Chapter Labs 798 Lab 36.1 798 Chapter 37 Configuring Samba File Services 801 „Do I Know This Already?” Quiz 801 Foundation Topics 804 Setting Up SMB File Sharing 804 Installing Samba 804 Preparing Shared Directories on Linux 804 Configuring /etc/samba/smb.conf 805 Using Samba Users 808 Securing Samba 810 Samba-Related SELinux Parameters 810 Samba Firewalling 811 Setting Up Kerberized Samba Shares 813 Accessing SMB Shares 815 Discovering Samba Shares 815 Mounting Samba Shares 816 Performing a Multiuser Samba Mount 817 Mounting Samba Shares Through automount 819 Summary 820 Exam Preparation Tasks 820 Review All Key Topics 820 Complete Tables and Lists from Memory 82
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