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Enterprise PowerShell Scripting Bootcamp

You're reading from Enterprise PowerShell Scripting Bootcamp The fastest way to learn PowerShell scripting

Product type Paperback

Published in May 2017

Publisher Packt

ISBN-13 9781787288287

Length 238 pages

Edition 1st Edition

Languages

PowerShell

Tools

PowerShell

Concepts

Shell Scripting

Author (1):

Brenton J.W. Blawat

View More author details

Table of Contents (15) Chapters

Preface

1. Getting Started with Enterprise PowerShell Scripting FREE CHAPTER

2. Script Structure, Comment Blocks, and Script Logging

3. Working with Answer Files

4. String Encryption and Decryption

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

6. Evaluating Scheduled Tasks

7. Determining Disk Statistics

8. Windows Features and Installed Software Detection

9. File Scanning

10. Optimizing Script Execution Speed

11. Improving Performance by Using Regular Expressions

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

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

Index

Installed software detection

Detecting software on your system can be a difficult task. While the WMI win32_product class has a record of each Microsoft Installer (MSI)-installed software on your system, it is strongly recommended you do NOT use this class. When you query the win32_product class, it reconfigures each MSI software installed on your system. This can create unintended service disruptions due to applications being reinstalled, configurations being overwritten, and MSI repairs not completing successfully:

The preceding screenshot displays one of the multiple messages generated when the win32_product class is invoked. You will see that the Windows installer forces a reconfiguration of the installed software product. You will also see a reconfiguration status and error status message. If you accidently use the win32_product class, you can scan the event log for status messages and properly reinstall the application upon error.

Tip

Avoid using the win32_product class in your scripts...

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Authors (1)

Brenton J.W. Blawat

Brenton J.W. Blawat

Brenton J.W. Blawat is an entrepreneur, strategic technical advisor, author, and enterprise architect, who has a passion for the procurement of technology in profit-based organizations. He is business-centric and technology-minded. Brenton has many years of experience in bridging the gap between technical staff and decision-makers in several organizations. He takes pride in his ability to effectively communicate with a diverse audience and provide strategic direction for large and small organizations alike._x000D_ In 2013, Brenton authored his first book, PowerShell 3.0 WMI Starter, Packt Publishing. In March 2015, he authored his second book Mastering Windows PowerShell Scripting, Packt Publishing._x000D_ Brenton currently works at CDW as an Enterprise Architect in strategic solutions and services. CDW is a leading multibrand technology solutions provider in the fields of business, government, education, and healthcare. A Fortune 500 company, it was founded in 1984 and employs approximately 7,200 coworkers. In 2016, the company generated net sales of more than $13.0 billion._x000D_ His current specialisation sits on top of 15 years experience spread across (predominantly Microsoft) systems, (Juniper and Cisco) networking, and security.

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