Red Hat RHCSA/RHCE 7 Cert Guide: Red Hat Enterprise Linux 7 (EX200 and EX300)(Certification Guide)

Trust the best-selling Cert Guide series from Pearson IT Certification to help you learn, prepare, and practice for exam success. Cert Guides are built with the objective of providing assessment, review, and practice to help ensure you are fully prepared for your certification exam.   Master Red Hat RHCSA (EX200) and RHCE (EX300) exam topics Assess your knowledge with chapter-opening quizzes Review key concepts with exam preparation tasks Test yourself with 4 practice exams (2 RHCSA and 2 RHCE) Gain expertise and knowledge using the companion website, which contains over 40 interactive exercises, 4 advanced CLI simulations, 40 interactive quizzes and glossary quizzes (one for each chapter), 3 virtual machines and more.   Red Hat RHCSA/RHCE 7 Cert Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and allow you to decide how much time you need to spend on each section. Exam topic lists make referencing easy. Chapter-ending labs help you drill on key concepts you must know thoroughly.   Red Hat RHCSA/RHCE 7, Premium Edition eBook and Practice Test focuses specifically on the objectives for the newest Red Hat RHCSA (EX200) and RHCE (EX300) exams reflecting Red Hat Enterprise Linux 7. Expert Linux trainer and consultant Sander van Vugt shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.   Well-regarded for its level of detail, assessment features, comprehensive design scenarios, and challenging review questions and exercises, this study guide helps you master the concepts and techniques that will allow you to succeed on the exam the first time.   This study guide helps you master all the topics on the new RHCSA (EX200) and RHCE (EX300) exams, 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, Bash scripting System Security: Configuring firewalls, advanced Apache services, DNS, MariaDB, NFS, Samba, SMTP, SSH, and time synchronization      

Table of Contents:
Introduction 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 821         Define Key Terms 821     Review Questions 821     End-of-Chapter Labs 822         Lab 37.1 822 Chapter 38 Setting Up an SMTP Server 825     Do I Know This Already Quiz 825     Foundation Topics 828     Understanding Email Basics 828         Understanding Roles in Mail Handling 828         The Email Transmission Process 829         Mail Server Solutions on RHEL 7 830     Configuring Postfix Parameters 832         Understanding Essential Parameters 833         Configuring Postfix to Relay Mail 835     Verifying a Working Mail Configuration 838     Summary 840     Exam Preparation Tasks 840         Review All Key Topics 840         Complete Tables and Lists from Memory 841         Define Key Terms 841     Review Questions 841     End-of-Chapter Labs 842         Lab 38.1 842 Chapter 39 Configuring SSH 845     “Do I Know This Already?” Quiz 845     Foundation Topics 848     Hardening the SSH Server 848         Limiting Root Access 848         Configuring Alternative Ports 849         Modifying SELinux to Allow for Port Changes 849         Limiting User Access 850     Using Other Useful sshd Options 851         Session Options 852         Connection Keepalive Options 852     Configuring Key-Based Authentication with Passphrases 853     Configuring SSH Tunnels 854     Summary 856     Exam Preparation Tasks 856         Review All Key Topics 856         Complete Tables and Lists from Memory 856         Define Key Terms 856     Review Questions 857     End-of-Chapter Labs 857         Lab 39.1 857 Chapter 40 Managing Time Synchronization 859     “Do I Know This Already?” Quiz 859     Foundation Topics 862     Understanding the Need for Synchronized Time 862     Setting Up Time Synchronization 862         Understanding NTP 863         Configuring chrony to Synchronize Time 864     Managing and Monitoring Time Synchronization with chronyc 866     Summary 871     Exam Preparation Tasks 871         Review All Key Topics 871         Complete Tables and Lists from Memory 872         Define Key Terms 872     Review Questions 872     End-of-Chapter Labs 873         Lab 40.1 873 Chapter 41 Final Preparation 875     Generic Tips 875         Verifying Your Readiness 875         Registering for the Exam 876         On Exam Day 876         During the Exam 877         The Nondisclosure Agreement 878 Chapter 42 Theoretical Pre-Assessment Exams 881     RHCSA Theoretical Pre-Assessment Exam 881     RHCSA Practice Exam A 887 RHCSA Practice Exam B 891 RHCE Practice Exam A 895 RHCE Practice Exam B 899 9780789754059, TOC, 6/26/2015  

About the Author :
Sander van Vugt is an independent Linux trainer, author, and consultant living in the Netherlands. Sander is the author of the best-selling Red Hat Certified System Administrator (RHCSA) Complete Video Course and also of the Red Hat Certified Engineer (RHCE) Complete Video Course. He has also written numerous books about different Linux-related topics, and many articles for Linux publications around the world. Sander has been teaching Red Hat, SUSE, and LPI Linux classes since 1994. As a consultant, he specializes in Linux high-availability solutions and performance optimization. You can find more information about Sander on his website at http://www.sandervanvugt.com .   For more information about RHAT certification and additional resources, visit the author’s Red Hat Certification page at http://www.rhatcert.com/.