Enterprise PowerShell Scripting Bootcamp电子书

Enterprise PowerShell Scripting Bootcamp

Table of Contents

Enterprise PowerShell Scripting Bootcamp

Credits

About the Author

About the Reviewer

www.PacktPub.com

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Why subscribe?

Customer Feedback

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. Getting Started with Enterprise PowerShell Scripting

Windows server scanning script

Performance considerations

PowerShell scripting templates

Summary

2. Script Structure, Comment Blocks, and Script Logging

Overall script structure

Comment blocks

Script logging

Creating the logging files

Creating a windows event log source

Creating the logging function

Summary

3. Working with Answer Files

Answer files

XML answer files

Reading XML answer files

XML tag function

Summary

4. String Encryption and Decryption

RijndaelManaged encryption

Creating random salt, initialization vector, and passwords

Encrypting and decrypting strings

Decrypting strings

Securing the password

Decryption with encoded password

Summary

5. Interacting with Services, Processes, Profiles, and Logged on Users

Windows services

Managing Windows processes

Identifying logged on users

User profiles

Summary

6. Evaluating Scheduled Tasks

Scheduled tasks

Identifying scheduled tasks running as alternate users

Summary

7. Determining Disk Statistics

Disk statistics

Retrieving physical and logical disk information

The DriveType property

Converting disk space to MB and GB

Free Space property

Disk information script

Summary

8. Windows Features and Installed Software Detection

Windows features

Installed software detection

Scanning executables in \Program Files

Summary

9. File Scanning

File scanning

Excluding long paths

Excluding files

Summary

10. Optimizing Script Execution Speed

Script execution speed

Speed considerations for the write-host cmdlet

Speed considerations for the write-progress cmdlet

Speed consideration - switches versus if statements

Summary

11. Improving Performance by Using Regular Expressions

Using regular expressions

Dynamically building expressions

Implementating regular expression performance

Summary

12. Overall Script Workflow, Termination Files, and Merging Data Results

Windows server scanning script overview

Pre-script security

Script 1 - randomized password and string generator

Script 2 - string encryption script

XML answer file creation

PowerShell script 3 - the termination files

PowerShell script 4 - merging the scanning script result data

Summary

13. Creating the Windows Server Scanning Script and Post-Execution Cleanup

Windows server scanning script creation

Comment block

Parameter block

Answer file reading function

Decryption function

Populating script answers in variables and arrays

Creating the log files and logging function

Creating a termination function

Multiple Windows server scanning script functions

Scheduled tasks function

Windows processes function

Windows services function

Installed software function

User profiles function

Windows features function

Scan files and folders function

Invoking the functions

Running the script

Performing script cleanup

Summary

Index