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Enterprise PowerShell Scripting Bootcamp

Enterprise PowerShell Scripting Bootcamp

By : Brenton J.W. Blawat
3.3 (3)
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Enterprise PowerShell Scripting Bootcamp

Enterprise PowerShell Scripting Bootcamp

3.3 (3)
By: Brenton J.W. Blawat

Overview of this book

Enterprise PowerShell Scripting Bootcamp explains how to create your own repeatable PowerShell scripting framework. This framework contains script logging methodologies, answer file interactions, and string encryption and decryption strategies. This book focuses on evaluating individual components to identify the system’s function, role, and unique characteristics. To do this, you will leverage built-in CMDlets and Windows Management Instrumentation (WMI) to explore Windows services, Windows processes, Windows features, scheduled tasks, and disk statistics. You will also create custom functions to perform a deep search for specific strings in files and evaluate installed software through executable properties. We will then discuss different scripting techniques to improve the efficiency of scripts. By leveraging several small changes to your code, you can increase the execution performance by over 130%. By the end of this book, you will be able to tie all of the concepts together in a PowerShell-based Windows server scanning script. This discovery script will be able to scan a Windows server to identify a multitude of components.
Table of Contents (15 chapters)
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3
3. Working with Answer Files
10
10. Optimizing Script Execution Speed
14
Index

Script logging

As you create your enterprise script template, you will need to incorporate a logging mechanism. Logging allows you to capture script output, including informational, warning, and error messages. In typical logging scenarios, you will need to record script actions to either the event log, a log file, or a data collection file, like a Comma Separated Values (CSV) file. While PowerShell has a transcript which you can invoke, leveraging the start-transcript and stop-transcript cmdlets, it only allows you to record output to a single log file. This doesn't provide for writing to the event log or data collection files.

A popular logging mechanism is to create your own PowerShell logging function. This enables you to pass in parameters into the logging function to tell the script to either write to the event log, log file, or append data to the data collection file. It can also write the actions to the PowerShell window to view progress. This avoids having to write multiple...

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