book

PowerShell: Automating Administrative Tasks

Name: PowerShell: Automating Administrative Tasks
ISBN: 9781787123755

by Michael Shepard, Chendrayan Venkatesan, Sherif Talaat, Brenton J.W. Blawat

February 2017

Beginner

737 pages

15h 22m

English

Packt Publishing

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PowerShell: Automating Administrative Tasks
Table of Contents
PowerShell: Automating Administrative Tasks
PowerShell: Automating Administrative Tasks
Credits
Preface
What this learning path covers
What you need for this learning path
Who this learning path is for
Reader feedback
Customer support
Downloading the example codeErrataPiracy

Questions
1. Module 1
1. First Steps
Determining the installed PowerShell versionUsing the registry to find the installed versionUsing PowerShell to find the installed version
Installing/upgrading PowerShell
Starting a PowerShell session
PowerShell hosts64-bit and 32-bit PowerShellPowerShell as an administrator
Simple PowerShell commands
PowerShell aliases
Summary
For further reading
2. Building Blocks
What can you do?
The scripter's secret weapon – tab completion
How does that work?
Interpreting the cmdlet syntax
Summary
For further reading
3. Objects and PowerShell
Objects all the way downDigging into objectsTypes, classes, and objects
What are members?
The DOS DIR commandThe IPCONFIG commandPowerShell for comparison
The Get-Member cmdlet
Where did these all come from?
Summary
For further reading
4. Life on the Assembly Line
The pipeline as an assembly lineThis isn't your DOS or Linux pipelineObjects at your disposal
Dealing with pipeline data
The Sort-Object cmdletThe Where-Object cmdletThe Select-Object cmdletLimiting the number of objects returnedLimiting the properties of the objects returnedRetrieving the values of a single propertyThe Measure-Object cmdletThe Group-Object cmdlet
Putting them together
Summary
For further reading
5. Formatting Output
When does formatting occur?
The rules of automatic formatting
Formatting filesFormatting decisions are based on the first objectSmall objects go in a tableLarge objects go in a list
Cmdlets that control formatting
Format-Table and Format-List
The dangers of formatting
Best practices of formatting
Summary
For further reading
6. Scripts
Packaging commandsExecution policyTypes of scriptsScopes and scripts
Parameters add flexibility
Adding some logic
Conditional logic (IF)Looping logicMore logic
Profiles
Summary
For further reading
7. Functions
Another kind of containerComparing scripts and functions
Executing and calling functions
Naming conventions
Comment-based help
Parameters revisited
Typed parametersSwitches
Default values for parameters
Output
Summary
For further reading
8. Modules
Packaging functions
Script modules
The Export-ModuleMember cmdlet
Where do modules live?
Removing a module
PowerShell module autoloading
The #Requires statement
Removing a module – take two
Manifest modules
Listing modules
Summary
9. File I/O
Reading and writing text filesWriting text files
Working with CSV files
Output to CSV for quick reportsThe Invoke-Item cmdletImport from CSV for quick objects
PowerShell streams and redirection
Other types of redirection operatorsThe out-file cmdlet
CLIXML – a special type of XML
Summary
For further reading
10. WMI and CIM
What is WMI?WMI organization
Finding WMI classes
Retrieving objects with Get-WMIObject
Getting the right instanceWQL syntax
Calling methods
WMI and CIM
The CIM cmdlets
CDXML modules
Summary
For further reading
11. Web Server Administration
Installing IISDetecting and installing IIS in Windows 8.1Detecting and installing IIS in Server 2012R2
Verifying IIS
The WebAdministration module
Starting, stopping, and restarting IIS
Creating virtual directories and web applications
Working with application pools
Creating application pools
Summary
For further reading
A. Next Steps
2. Module 2
1. Getting Started with Windows PowerShell
Scripting the cmdlet style
Introducing Windows PowerShell
Installing Windows Management Framework 5.0The Windows PowerShell consolesThe Windows PowerShell console hostSetting up the console host using GUISetting up the console host using PowerShellExploring the Windows PowerShell ISE host using GUIBenefits of an ISEThe PowerShell ISE script browser
Using an interactive shell
Windows PowerShell cmdletsGetting helpUnderstanding aliasesUnderstanding expressionsUnderstanding objectsUnderstanding pipelinesExporting a running process to a CSV fileUnderstanding filtering and formattingPowerShell formattingExploring snippets in the PowerShell ISEGetting started with PowerShell scripting
Summary
2. Unleashing Development Skills Using Windows PowerShell 5.0
Basics of WMI and CIM
Working with XML and COM
Exploring COM and Automation
Exploring .NET objects
Creating .NET objectsExtending .NET objects for Administrations and Development tasksExtending the .NET Framework typesBuilding advanced scripts and modules
Exploring Windows PowerShell 5.0
The basics of Desired State ConfigurationThe Authoring phaseThe Staging phaseThe "Make it so" phaseUse case of classes in WMF 5.0ConstructorsParsing structured objects using PowerShellExploring Package ManagementExploring PowerShellGet
Understanding PowerShell modules
Introduction to modulesScript modulesBinary modulesManifest modulesDynamic modules
Script debugging
Managing breakpointsLine breakpointsVariable breakpointsCommand breakpointsDebugging scripts
Summary
3. Exploring Desired State Configuration
Prerequisites
Installing the WMF 5.0 April 2015 preview
Imperative versus declarative programming
Getting started with DSC
The Authoring phaseThe Staging phaseThe "Make it so" phaseLocal Configuration ManagerParameterizing the configuration scriptUnderstanding MOF
Exploring Windows Remote Management and CIM
Windows PowerShell remotingExploring WSMan cmdletsHTTP/HTTPS ListenerExploring CIM commandsExploring CIM methodsQuerying the remote machines using CIM
Creating configuration scripts
Creating a configuration with MOFCreating a Class-defined DSC resource
Types of deployment modes
The push modeThe pull modeCreating a pull server using the SMB shareCreating the pull server using HTTP and HTTPS
Summary
4. PowerShell and Web Technologies
PowerShell Web AccessInstalling PowerShell Web AccessConfiguring PowerShell Web AccessApplying authorization rules
Management OData IIS Extensions
Creating the Management OData web service
Exploring web requests
Downloading files from the InternetReading a file from the Internet
Exploring web services
Using web servicesBuilding web services
Exploring the REST API
Using the Azure REST API in PowerShell
Exploring JSON
Summary
5. Exploring Application Programming Interface
Exploring API using PowerShellThe EWS API for managing Exchange OnlinePurging items in the mailbox folderDeleting items from the mailbox folder
The Lync 2013 client-side API
Installation of LYNC SDKExploring client settingsAutomating test callsIM with contacts
Client-side object model – SharePoint Online
How does CSOM Work?Creating and deleting listMaking PowerShell modules with SDKs
Summary
3. Module 3
1. Variables, Arrays, and Hashes
VariablesObjects stored in variables
Arrays
Single-dimension arraysJagged arraysUpdating array values
Hashes
Deciding the best container for your scripts
Summary
2. Data Parsing and Manipulation
String manipulationReplacing and splitting stringsCounting and trimming stringsThe Trim methodThe Substring methodThe string true and false methods
Number manipulation and parsing
Formatting numbersFormatting bytes
Date and time manipulation
Forcing data types
Piping variables
Summary
3. Comparison Operators
Comparison operator basics
Equal and not equal comparison
Greater than and less than comparison
Contains, like, and match operators
And / OR comparison operators
Best practices for comparison operators
Summary
4. Functions, Switches, and Loops Structures
Functions
Looping structures
Switches
Combining the use of functions, switches, and loops
Best practices for functions, switches, and loops
Best practices for functionsBest practices for looping structures and switches
Summary
5. Regular Expressions
Getting started with regular expressions
Regular expression grouping constructs and ranges
Regular expression quantifiers
Regular expression anchors
Regular expressions examples
Summary
6. Error and Exception Handling and Testing Code
Error and exception handling – parameters
Error and exception handling – Try/Catch
Error and exception handling –Try/Catch with parameters
Error and exception handling – legacy exception handling
Methodologies for testing code
Testing the –WhatIf argumentTesting the frequencyHit testing containersDon't test in production
Summary
7. Session-based Remote Management
Utilizing CIM sessionsCreating a sessionCreating a session with session optionsUsing sessions for remote managementRemoving sessions
Summary
8. Managing Files, Folders, and Registry Items
Registry provider
Creating files, folders, and registry items with PowerShell
Adding named values to registry keys
Verifying files, folders, and registry items
Copying and moving files and folders
Renaming files, folders, registry keys, and named values
Deleting files, folders, registry keys, and named values
Summary
9. File, Folder, and Registry Attributes, ACLs, and Properties
Retrieving attributes and properties
Viewing file and folder extended attributes
Setting the mode and extended file and folder attributes
Managing file, folder, and registry permissions
Copying access control listsAdding and removing ACL rules
Summary
10. Windows Management Instrumentation
WMI structure
Using WMI objects
Searching for WMI classes
Creating, modifying, and removing WMI property instances
Creating property instancesModifying property instancesRemoving property instances
Invoking WMI class methods
Summary
11. XML Manipulation
XML file structureReading XML filesAdding XML contentModifying XML contentRemoving XML content
Summary
12. Managing Microsoft Systems with PowerShell
Managing local users and groupsManaging local usersManaging local groupsQuerying for local users and groups
Managing Windows services
Managing Windows processes
Installing Windows features and roles
Summary
13. Automation of the Environment
Invoking programs for automation
Using desired state configuration
Authoring phaseStaging and remediation phase
Detecting and restoring drifting configurations
Summary
14. Script Creation Best Practices and Conclusion
Best practices for script management
# commenting headers
Commenting code
Best practices for script creation
Script structureOther important best practices for script creationControlling source files
Best practices for software automation
Summary
Mastering Windows PowerShell Scripting – conclusionStaying connected with the author
Bibliography
Index

Content preview from PowerShell: Automating Administrative Tasks

For further reading

Get-Help about_scripts
Get-Help about_execution_policies
Get-Help Set-ExecutionPolicy
Get-Help about_scopes
Get-Help about_parameters
Get-Help about_profiles
Get-Help about_if
Get-Help about_foreach
Get-Help about_switch
Get-Help about_do
Get-Help about_while
Get-Help about_switch
Get-Help about_for
Get-Help about_break
Get-Help about_continue

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PowerShell: Automating Administrative Tasks

by Michael Shepard, Chendrayan Venkatesan, Sherif Talaat, Brenton J.W. Blawat

For further reading

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