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Full Description
Essential System Administration,3rd Edition is the definitive guide for Unix system administration, covering all the fundamental and essential tasks required to run such divergent Unix systems as AIX, FreeBSD, HP-UX, Linux, Solaris, Tru64 and more. Essential System Administration provides a clear, concise, practical guide to the real-world issues that anyone responsible for a Unix system faces daily. The new edition of this indispensable reference has been fully updated for all the latest operating systems. Even more importantly, it has been extensively revised and expanded to consider the current system administrative topics that administrators need most. Essential System Administration,3rd Edition covers: DHCP, USB devices, the latest automation tools, SNMP and network management, LDAP, PAM, and recent security tools and techniques. Essential System Administration is comprehensive. But what has made this book the guide system administrators turn to over and over again is not just the sheer volume of valuable information it provides, but the clear, useful way the information is presented.
It discusses the underlying higher-level concepts, but it also provides the details of the procedures needed to carry them out. It is not organized around the features of the Unix operating system, but around the various facets of a system administrator's job. It describes all the usual administrative tools that Unix provides, but it also shows how to use them intelligently and efficiently. Whether you use a standalone Unix system, routinely provide administrative support for a larger shared system, or just want an understanding of basic administrative functions, Essential System Administration is for you. This comprehensive and invaluable book combines the author's years of practical experience with technical expertise to help you manage Unix systems as productively and painlessly as possible.
Contents
Preface 1. Introduction to System Administration Thinking About System Administration Becoming Superuser Communicating with Users About Menus and GUIs Where Does the Time Go? 2. The Unix Way Files Processes Devices 3. Essential Administrative Tools and Techniques Getting the Most from Common Commands Essential Administrative Techniques 4. Startup and Shutdown About the Unix Boot Process Initialization Files and Boot Scripts Shutting Down a Unix System Troubleshooting: Handling Crashes and Boot Failures 5. TCP/IP Networking Understanding TCP/IP Networking Adding a New Network Host Network Testing and Troubleshooting 6. Managing Users and Groups Unix Users and Groups Managing User Accounts Administrative Tools for Managing User Accounts Administering User Passwords User Authentication with PAM LDAP: Using a Directory Service for User Authentication 7. Security Prelude: What's Wrong with This Picture? Thinking About Security User Authentication Revisited Protecting Files and the Filesystem Role-Based Access Control Network Security Hardening Unix Systems Detecting Problems 8. Managing Network Services Managing DNS Servers Routing Daemons Configuring a DHCP Server Time Synchronization with NTP Managing Network Daemons under AIX Monitoring the Network 9. Electronic Mail About Electronic Mail Configuring User Mail Programs Configuring Access Agents Configuring the Transport Agent Retrieving Mail Messages Mail Filtering with procmail A Few Final Tools 10. Filesystems and Disks Filesystem Types Managing Filesystems From Disks to Filesystems Sharing Filesystems 11. Backup and Restore Planning for Disasters and Everyday Needs Backup Media Backing Up Files and Filesystems Restoring Files from Backups Making Table of Contents Files Network Backup Systems Backing Up and Restoring the System Filesystems 12. Serial Lines and Devices About Serial Lines Specifying Terminal Characteristics Adding a New Serial Device Troubleshooting Terminal Problems Controlling Access to Serial Lines HP-UX and Tru64 Terminal Line Attributes The HylaFAX Fax Service USB Devices 13. Printers and the Spooling Subsystem The BSD Spooling Facility System V Printing The AIX Spooling Facility Troubleshooting Printers Sharing Printers with Windows Systems LPRng CUPS Font Management Under X 14. Automating Administrative Tasks Creating Effective Shell Scripts Perl: An Alternate Administrative Language Expect: Automating Interactive Programs When Only C Will Do Automating Complex Configuration Tasks with Cfengine Stem: Simplified Creation of Client-Server Applications Adding Local man Pages 15. Managing System Resources Thinking About System Performance Monitoring and Controlling Processes Managing CPU Resources Managing Memory Disk I/O Performance Issues Monitoring and Managing Disk Space Usage Network Performance 16. Configuring and Building Kernels FreeBSD and Tru64 HP-UX Linux Solaris AIX System Parameters 17. Accounting Standard Accounting Files BSD-Style Accounting: FreeBSD, Linux, and AIX System V-Style Accounting: AIX, HP-UX, and Solaris Printing Accounting Afterword: The Profession of System Administration SAGE: The System Administrators Guild Administrative Virtues Appendix: Administrative Shell Programming Index
