Mastering UNIX Shell Scripting (Paperback)

* Provides readers with end-to-end shell scripts that can be used to automate repetitive tasks and solve real-world system administration problems
* Targets the specific command structure for four popular UNIX systems: Solaris, Linux, AIX, and HP-UX
* Illustrates dozens of example tasks, presenting the proper command syntax and analyzing the performance gain or loss using various control structure techniques
* Web site includes all the shell scripts used in the book

Table of Contents

Acknowledgments.

Introduction.

Scripting Quick Start and Review.

Twelve Ways to Process a File Line by Line.

Automated Event Notification.

Progress Indicator Using a Series of Dots, a Rotating Line, or a Countdown to Zero.

File System Monitoring.

Monitoring Paging and Swap Space.

Monitoring System Load.

Process Monitoring and Enabling Preprocess, Startup, and Postprocess Events.

Monitoring Processes and Applications.

Creating Pseudo-Random Passwords.

Monitor for Stale Disk Partitions.

Automated Hosts Pinging with Notification.

Taking a System Snapshot

Compiling, Installing, Configuring, and Using sudo.

hgrep: Highlighted grep Script.

Print Queue Hell: Keeping the Printers Printing.

Automated FTP Stuff.

Finding "Large" Files.

Monitoring and Auditing User Key Strokes.

Turning On/Off SSA Identification Lights.

Pseudo-Random Number Generation.

Floating-Point Math and the bc Utility.

Scripts for Number Base Conversions.

Menu Program Suitable for Operations Staff.

Sending Pop-Up Messages from Unix to Windows.

Appendix A: What's on the Web Site.

Index.