Practical Guide to Fedora and Red Hat Enterprise Linux

197 Links 202 Chapter Summary 208 Exercises 210 Advanced Exercises 212 Chapter 7: The Shell 213 The Command Line 214 Standard Input and Standard Output 220 Running a Program in the Background 231 Filename Generation/Pathname Expansion 233 Builtins 237 Chapter Summary 238 Exercises 239 Advanced Exercises 241 Part III: Digging into Fedora and Red Hat Enterprise Linux 243 Chapter 8: Linux GUIs: X, GNOME, and KDE 245 X Window System 246 Using GNOME 255 Using KDE 266 Chapter Summary 276 Exercises 277 Advanced Exercises 277 Chapter 9: The Bourne Again Shell 279 Background 280 Shell Basics 281 Parameters and Variables 299 Special Characters 313 Processes 314 History 316 Aliases 332 Functions 335 Controlling bash Features and Options 338 Processing the Command Line 342 Chapter Summary 351 Exercises 353 Advanced Exercises 355 Chapter 10: Networking and the Internet 357 Types of Networks and How They Work 359 Communicate Over a Network 374 Network Utilities 376 Distributed Computing 383 Usenet 392 WWW: World Wide Web 395 Chapter Summary 397 Exercises 398 Advanced Exercises 399 Part IV: System Administration 401 Chapter 11: System Administration: Core Concepts 403 System Administrator and Superuser 405 Rescue Mode 411 SELinux 414 System Operation 417 System Administration Utilities 429 Setting Up a Server 435 nsswitch.conf: Which Service to Look at First 449 PAM 452 Chapter Summary 457 Exercises 458 Advanced Exercises 459 Chapter 12: Files, Directories, and Filesystems 461 Important Files and Directories 462 File Types 473 Filesystems 478 Chapter Summary 487 Exercises 488 Advanced Exercises 488 Chapter 13: Downloading and Installing Software 489 yum: Keeps the System Up-to-Date 490 pirut: Adds and Removes Software Packages 497 BitTorrent 498 rpm: Red Hat Package Manager 501 Installing Non-rpm Software 504 Keeping Software Up-to-Date 506 wget: Downloads Files Noninteractively 508 Chapter Summary 509 Exercises 509 Advanced Exercises 509 Chapter 14: Printing with CUPS 511 Introduction 512 JumpStart I: Configuring a Local Printer 513 system-config-printer: Configuring a Printer 514 JumpStart II: Configuring a Remote Printer Using the CUPS Web Interface 518 Traditional UNIX Printing 523 Configuring Printers 524 The KDE Printing Manager 531 Printing from Windows 532 Printing to Windows 534 Chapter Summary 534 Exercises 535 Advanced Exercises 535 Chapter 15: Rebuilding the Linux Kernel 537 Preparing the Source Code 538 Read the Documentation 540 Configuring and Compiling the Linux Kernel 541 Installing the Kernel and Associated Files 544 Rebooting 544 Boot Loader 545 dmesg: Displays Kernel Messages 547 Chapter Summary 547 Exercises 548 Advanced Exercises 548 Chapter 16: Administration Tasks 549 Configuring User and Group Accounts 550 Backing Up Files 552 Scheduling Tasks 559 System Reports 560 Keeping Users Informed 563 Creating Problems 564 Solving Problems 565 Chapter Summary 576 Exercises 576 Advanced Exercises 577 Chapter 17: Configuring a LAN 579 Setting Up the Hardware 580 Configuring the Systems 582 Setting Up Servers 586 More Information 587 Chapter Summary 587 Exercises 588 Advanced Exercises 588 Part V: Using Clients and Setting Up Servers 589 Chapter 18: OpenSSH: Secure Network Communication 591 Introduction 592 About OpenSSH 592 OpenSSH Clients 595 sshd: OpenSSH Server 603 Troubleshooting 607 Tunneling/Port Forwarding 608 Chapter Summary 610 Exercises 610 Advanced Exercises 611 Chapter 19: FTP: Transferring Files Across a Network 613 Introduction 614 More Information 615 FTP Client 615 FTP Server (vsftpd) 624 Chapter Summary 636 Exercises 637 Advanced Exercises 637 Chapter 20: sendmail: Setting Up Mail Clients, Servers, and More 639 Introduction 640 JumpStart I: Configuring sendmail on a Client 642 JumpStart II: Configuring sendmail on a Server 643 How sendmail Works 644 Configuring sendmail 647 Additional Email Tools 652 Authenticated Relaying 662 Alternatives to sendmail 664 Chapter Summary 664 Exercises 665 Advanced Exercises 665 Chapter 21: NIS and LDAP 667 Introduction to NIS 668 How NIS Works 668 Setting Up an NIS Client 671 Setting Up an NIS Server 675 LDAP 682 Setting Up an LDAP Server 685 Chapter Summary 693 Exercises 694 Advanced Exercises 694 Chapter 22: NFS: Sharing Filesystems 697 Introduction 698 More Information 700 Setting Up an NFS Client 700 Setting Up an NFS Server 706 automount: Automatically Mounts Directory Hierarchies 714 Chapter Summary 716 Exercises 716 Advanced Exercises 717 Chapter 23: Samba: Integrating Linux and Windows 719 Introduction 720 About Samba 721 JumpStart: Configuring a Samba Server Using system-config-samba 723 swat: Configures a Samba Server 725 Manually Configuring a Samba Server 729 Accessing Linux Shares from Windows 735 Accessing Windows Shares from Linux 736 Troubleshooting 738 Chapter Summary 740 Exercises 741 Advanced Exercises 741 Chapter 24: DNS/BIND: Tracking Domain Names and Addresses 743 Introduction to DNS 744 About DNS 755 JumpStart I: Setting Up a DNS Cache 757 JumpStart II: Setting Up a Domain Using system-config-bind 759 Setting Up BIND 763 Troubleshooting 775 A Full-Functioned Nameserver 777 A Slave Server 780 A Split Horizon Server 781 Chapter Summary 786 Exercises 786 Advanced Exercises 787 Chapter 25: iptables: Setting Up a Firewall 789 How iptables Works 790 About iptables 792 JumpStart: Building a Firewall Using system-config-firewall 794 Anatomy of an iptables Command 795 Building a Set of Rules 796 system-config-firewall: Generates a Set of Rules 803 Sharing an Internet Connection Using NAT 805 Chapter Summary 809 Exercises 809 Advanced Exercises 809 Chapter 26: Apache (httpd): Setting Up a Web Server 811 Introduction 812 About Apache 812 JumpStart I: Getting Apache Up and Running 814 JumpStart II: Setting Up Apache Using system-config-httpd 816 Filesystem Layout 818 Configuration Directives 820 The Fedora/RHEL httpd.conf File 840 Redirects 843 Multiviews 844 Server-Generated Directory Listings (Indexing) 844 Virtual Hosts 844 Troubleshooting 845 Modules 846 webalizer: Analyzes Web Traffic 851 MRTG: Monitors Traffic Loads 852 Error Codes 852 Chapter Summary 853 Exercises 854 Advanced Exercises 854 Part VI: Programming 855 Chapter 27: Programming Tools 857 Programming in C 858 Using Shared Libraries 866 make: Keeps a Set of Programs Current 868 Debugging C Programs 876 Threads 886 System Calls 887 Source Code Management 889 Chapter Summary 899 Exercises 900 Advanced Exercises 901 Chapter 28: Programming the Bourne Again Shell 903 Control Structures 904 File Descriptors 937 Parameters and Variables 940 Builtin Commands 952 Expressions 966 Shell Programs 974 Chapter Summary 984 Exercises 986 Advanced Exercises 988 Part VII: Appendixes 991 Appendix A: Regular Expressions 993 Characters 994 Delimiters 994 Simple Strings 994 Special Characters 994 Rules 997 Bracketing Expressions 998 The Replacement String 998 Extended Regular Expressions 999 Appendix Summary 1001 Appendix B: Help 1003 Solving a Problem 1004 Finding Linux-Related Information 1005 Specifying a Terminal 1010 Appendix C: Security 1013 Encryption 1014 File Security 1019 Email Security 1019 Network Security 1020 Host Security 1023 Security Resources 1028 Appendix Summary 1031 Appendix D: The Free Software Definition 1033 Appendix E: The Linux 2.6 Kernel 1037 Native Posix Thread Library (NPTL) 1038 IPSecurity (IPSec) 1038 Asynchronous I/O (AIO) 1038 O(1) Scheduler 1039 OProfile 1039 kksymoops 1039 Reverse Map Virtual Memory (rmap VM) 1039 HugeTLBFS: Translation Look-Aside Buffer Filesystem 1040 remap_file_pages 1040 2.6 Network Stack Features (IGMPv3, IPv6, and Others) 1040 Internet Protocol Virtual Server (IPVS) 1040 Access Control Lists (ACLs) 1041 4GB-4GB Memory Split: Physical Address Extension (PAE) 1041 Scheduler Support for HyperThreaded CPUs 1041 Block I/O (BIO) Block Layer 1041 Support for Filesystems Larger Than 2 Terabytes 1042 New I/O Elevators 1042 Interactive Scheduler Response Tuning 1042 Glossary 1043 Index 1091