Red Hat Enterprise Linux 6 Administration: Real World Skills for Red Hat Administrators

Take Your Career to the Next Level with This Practical Guide If you want to excel as a Red Hat Enterprise Linux (RHEL) administrator, start with this definitive guide. Whether you're just beginning or are already an experienced RHEL admin looking to brush up on such things as setting up web servers, clustering, or DNS and DHCP, this book explores real-world tasks and scenarios you'll face on the job and shows you step by step how to handle them. It's also a valuable supplement if you're preparing for the RHCSA or RHCE certification exams. Review the command line, software management, and booting Learn routine RHEL system admin tasks such as mounting and unmounting file systems, setting up a print environment, and scheduling jobs with cron Manage storage, including partitions, logical and encrypted volumes, and swap space Configure networking from the command line and set up IPv6 Understand and configure SELinux and set up a firewall and cryptographic services Set up local file sharing, a LAMP Server, a mail server, and DNS and DHCP Learn advanced RHEL techniques, such as configuring virtualization and HA, automating with shell scripting, and optimizing CPU performance An ideal supplement if you're preparing for these exams: Red Hat Certified System Administrator (RHCSA) Red Hat Certified Engineer (RHCE)

Introduction xxvii Assessment Test xxxiii Part I Getting Familiar with Red Hat Enterprise Linux 1 Chapter 1 Getting Started with Red Hat Enterprise Linux 3 Chapter 2 Finding Your Way on the Command Line 41 Part II Administering Red Hat Enterprise Linux 67 Chapter 3 Performing Daily System Administration Tasks 69 Chapter 4 Managing Software 99 Chapter 5 Configuring and Managing Storage 121 Chapter 6 Connecting to the Network 155 Part III Securing Red Hat Enterprise Linux 187 Chapter 7 Working with Users, Groups, and Permissions 189 Chapter 8 Understanding and Configuring SELinux 229 Chapter 9 Working with KVM Virtualization 245 Chapter 10 Securing Your Server with iptables 269 Chapter 11 Setting Up Cryptographic Services 293 Part IV Networking Red Hat Enterprise Linux 313 Chapter 12 Configuring OpenLDAP 315 Chapter 13 Configuring Your Server for File Sharing 333 Chapter 14 Configuring DNS and DHCP 355 Chapter 15 Setting Up a Mail Server 375 Chapter 16 Configuring Apache on Red Hat Enterprise Linux 385 Part V Advanced Red Hat Enterprise Linux Configuration 411 Chapter 17 Monitoring and Optimizing Performance 413 Chapter 18 Introducing Bash Shell Scripting 467 Chapter 19 Understanding and Troubleshooting the Boot Procedure 505 Chapter 20 Introducing High–Availability Clustering 529 Chapter 21 Setting Up an Installation Server 561 Glossary 577 Appendix A Hands–On Labs 595 Appendix B Answers to Hands–On Labs 607 Index 625

Sander van Vugt is an independent technical trainer, consultant, and author of numerous titles on Linux. He has been using Linux almost since its inception, having first used it in 1992. Sander currently spends much of his time travelling around the world teaching Linux, including Red Hat. He is also a regular contributor to such publications as searchenterpriselinux.com and a frequent speaker at the leading Linux conferences.