The Definitive Guide to SUSE Linux Enterprise Server 12 is a task-oriented book designed for self-study as well as classroom environments, which will also serve you as a reference guide. The book covers all skills that system administrators typically need to posses to administer SUSE Linux Enterprise Server in corporate environments. It starts at the beginning, which makes The Definitive Guide to SUSE Linux Enterprise Server 12 suitable for people without any preliminary Linux knowledge, and yet works up to advanced SUSE Linux administration tasks, such as building a cluster, optimizing performance or managing SUSE Linux Enterprise Server with SUSE Manager.The Definitive Guide to SUSE Linux Enterprise Server 12 is an ideal reference guide for system administrators, but is also perfect as a study book to prepare for the CLA, CLP as well as the CLE exams. This book contains step-by-step exercises, and scenario based exercises at the end of each chapter to help readers getting familiar with the subjects that are required to pass these three exams. The Definitive Guide to SUSE Linux Enterprise Server 12also contains test exams, so you can use it as a study guide in a formal learning environment or as a book that you can learn and test your own progress as you master SUSE Linux Enterprise Server.You'll learn everything you need to know and the skills you need to manage SUSE Linux Enterprise Servers, from installing a secure server, to performing the day-to-day management tasks on SUSE Linux Enterprise Server. Along the way you'll encounter and master SUSE Linux Enterprise Server in a data center environment, how to manage your SUSE Enterprise Server for High Availability, and you'll see how to manage your SUSE Linux Enterprise Server with SUSE Manager. From installation to expert management, The Definitive Guide to SUSE Linux Enterprise Server 12 will show you the ways to succeed with Linux Enterprise Server 12.What youll learnEverything you need to know and the skills you need to manage SUSE Linux Enterprise Servers.Install a secure SUSE Linux Enterprise Server.Perform day-to-day management tasks on SUSE Linux Enterprise Server.How to pass the SUSE CLA, CLP as well as CLE exams.How to manage a SUSE Linux Enterprise Server in a data center.Integrate SUSE Linux Enterprise Server in a High Availability environment.Manage SUSE Linux Enterprise Server with SUSE Manager.Who this book is forThe Definitive Guide to SUSE Linux Enterprise Server 12 is a task-oriented book designed for self-study as well as classroom environments which also serves as a reference guide. The book covers all skills that system administrators typically need to posses to administer SUSE Linux Enterprise Server in corporate environments. It starts at the beginning, which makes the book apt for people without any preliminary Linux knowledge, and works up to advanced SUSE Linux administration tasks, such as building a cluster, optimizing performance or managing SUSE Linux Enterprise Server with SUSE Manager.Table of ContentsPart I: Basic skillsChapter 1: Introduction and InstallationChapter 2: Basic command line and YaST skillsPart II: Administering SUSE Linux Enteprise ServerChapter 3: Managing File SystemsChapter 4: User and Permission ManagementChapter 5: Common Administration Tasks: printing, cron, logging, software, process managementChapter 6: Hardening SUSE Linux: SELinux, Apparmor, sudo, authentication clientsChapter 7: Virtualization ManagementChapter 8: Managing hardware, the kernel and the boot procedurePart III: Networking SUSE Linux Enterprise ServerChapter 9: Configuring Network AccessChapter 10: Securing Internet servers: SUSEfirewall, IPtables, SSLChapter 11: Basic Network Services: Xinetd, NTP, DNS, DHCP, LDAPChapter 12: Internet Services: Setting up a LAMP ServerChapter 13: File sharing: Samba NFS and FTPPart IV: Advanced SUSE Linux Enterprise Server AdministrationChapter 14: Shell scriptingChapter 15: Optimizing PerformanceChapter 16: High Availability ClusteringChapter 17: Creating a SLES 12 Installation ServerChapter 18: Managing SUSE Linux: SMT and SUSE Manager