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Get ready to take on the UNIX world! 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, and then shows you how to take basic syntax and turn it into a shell scripting solution. Throughout the book, you'll also find complete shell scripts plus detailed descriptions of each part. You'll be able to modify this information to build tools that monitor for specific system events and situations, building the skills to solve real-world system administration problems.
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Make the most of Bash, Bourne, and Korn shells
*
Execute the proper commands for eachUNIX flavor
*
Define the correct command syntax to meet a specific shell scripting goal
*
Filter the commands' output to strip out unneeded data
*
Build options into the shell script to give the end user more flexibility on the command line
*
Replicate data using rsync
*
Create snapshot-style backups using Dirvish
*
Work with records files to parse data
*
Prepare for government audits using specific commands
Get ready to take on the UNIX world! 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, and then shows you how to take basic syntax and turn it into a shell scripting solution. Throughout the book, you'll also find complete shell scripts plus detailed descriptions of each part. You'll be able to modify this information to build tools that monitor for specific system events and situations, building the skills to solve real-world system administration problems.
*
Make the most of Bash, Bourne, and Korn shells
*
Execute the proper commands for eachUNIX flavor
*
Define the correct command syntax to meet a specific shell scripting goal
*
Filter the commands' output to strip out unneeded data
*
Build options into the shell script to give the end user more flexibility on the command line
*
Replicate data using rsync
*
Create snapshot-style backups using Dirvish
*
Work with records files to parse data
*
Prepare for government audits using specific commands
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
| Erscheinungsjahr: | 2008 |
|---|---|
| Fachbereich: | Programmiersprachen |
| Genre: | Informatik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Inhalt: | 1040 S. |
| ISBN-13: | 9780470183014 |
| ISBN-10: | 0470183012 |
| Sprache: | Englisch |
| Herstellernummer: | 14518301000 |
| Einband: | Kartoniert / Broschiert |
| Autor: | Michael, Randal K |
| Auflage: | 2nd edition |
| Hersteller: |
Wiley
John Wiley & Sons |
| Maße: | 235 x 191 x 55 mm |
| Von/Mit: | Randal K Michael |
| Erscheinungsdatum: | 01.04.2008 |
| Gewicht: | 1,885 kg |
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
| Erscheinungsjahr: | 2008 |
|---|---|
| Fachbereich: | Programmiersprachen |
| Genre: | Informatik |
| Rubrik: | Naturwissenschaften & Technik |
| Medium: | Taschenbuch |
| Inhalt: | 1040 S. |
| ISBN-13: | 9780470183014 |
| ISBN-10: | 0470183012 |
| Sprache: | Englisch |
| Herstellernummer: | 14518301000 |
| Einband: | Kartoniert / Broschiert |
| Autor: | Michael, Randal K |
| Auflage: | 2nd edition |
| Hersteller: |
Wiley
John Wiley & Sons |
| Maße: | 235 x 191 x 55 mm |
| Von/Mit: | Randal K Michael |
| Erscheinungsdatum: | 01.04.2008 |
| Gewicht: | 1,885 kg |
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