Overview

UNIX expert Randal K. Michael guides you through every detail of writing shell scripts to automate specific tasks. Each chapter begins with a typical, everyday UNIX challenge, then shows you how to take basic syntax and turn it into a shell scripting solution. Covering Bash, Bourne, and Korn shell scripting, this updated edition provides complete shell scripts plus detailed descriptions of each part. UNIX programmers and system administrators can tailor these to build tools that monitor for specific system events and situations, building solid UNIX shell scripting skills to solve real-world system administration problems.

Full Product Details

Author:   Randal K. Michael
Publisher:   John Wiley & Sons Inc
Imprint:   John Wiley & Sons Inc
Edition:   2nd edition
Dimensions:   Width: 18.80cm , Height: 5.40cm , Length: 23.60cm
Weight:   1.479kg
ISBN:  

9780470183014

ISBN 10:   0470183012
Pages:   1040
Publication Date:   22 July 2008
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

Acknowledgments xxv Introduction xxvii Part One The Basics of Shell Scripting Chapter 1 Scripting Quick Start and Review 3 Chapter 2 24 Ways to Process a File Line-by-Line 67 Chapter 3 Automated Event Notification 131 Chapter 4 Progress Indicators Using a Series of Dots, a Rotating Line, or Elapsed Time 143 Part Two Scripts for Programmers, Testers, and Analysts Chapter 5 Working with Record Files 157 Chapter 6 Automated FTP Stuff 187 Chapter 7 Using rsync to Efficiently Replicate Data 219 Chapter 8 Automating Interactive Programs with Expect and Autoexpect 291 Chapter 9 Finding Large Files and Files of a Specific Type 325 Chapter 10 Process Monitoring and Enabling Pre-Processing, Startup, and Post-Processing Events 335 Chapter 11 Pseudo-Random Number and Data Generation 369 Chapter 12 Creating Pseudo-Random Passwords 401 Chapter 13 Floating-Point Math and the bc Utility 433 Chapter 14 Number Base Conversions 475 Chapter 15 hgrep: Highlighted grep Script 515 Chapter 16 Monitoring Processes and Applications 527 Part Three Scripts for Systems Administrators Chapter 17 Filesystem Monitoring 553 Chapter 18 Monitoring Paging and Swap Space 603 Chapter 19 Monitoring System Load 641 Chapter 20 Monitoring for Stale Disk Partitions (AIX-Specific) 677 Chapter 21 Turning On/Off SSA Identification Lights 697 Chapter 22 Automated Hosts Pinging with Notification of Failure 723 Chapter 23 Creating a System-Configuration Snapshot 741 Chapter 24 Compiling, Installing, Configuring, and Using sudo 777 Chapter 25 Print-Queue Hell: Keeping the Printers Printing 809 Chapter 26 Those Pesky Sarbanes-Oxley (SOX) Audits 851 Chapter 27 Using Dirvish with rsync to Create Snapshot-Type Backups 867 Chapter 28 Monitoring and Auditing User Keystrokes 935 Appendix A What?s on the Web Site 955 Index 977

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Author Information

Randal K. Michael is a UNIX Systems Administrator working as a contract consultant. He teaches UNIX shell scripting in corporate settings, where he writes shell scripts to address a variety of problems and tasks ranging from monitoring systems to replicating large databases. He has more than 30 years of experience in the industry and 15 years of experience as a UNIX Systems Administrator, working on AIX, HP-UX, Linux, OpenBSD, and Solaris.

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