Essential PowerShell

Getting started
- Installation or Setup
- Allow scripts stored on your machine to run un-signed
- Aliases similar functions
- The pipeline - using output from a PowerShell cmdlet
- Calling .NET library methods
- Commenting
- Creating objects
Loops
- Loops
- Foreach
- For
- ForEach Method
- ForEach-Object
- Continue
- Break
- While
- Do
Operators
- Operators
- Comparison Operators
- Arithmetic Operators
- Assignment Operators
- Redirection Operators
- Mixing operand types the type of the left operand dictates the behavior.
- Logical Operators
- String Manipulation Operators
Using ShouldProcess
PowerShell classes
- PowerShell Classes
- Listing available constructors for a class
- Methods and properties
- Constructor overloading
- Get All Members of an Instance
- Basic Class Template
- Inheritance from Parent Class to Child Class
Switch statement
- Switch statement
- Simple Switch
- Switch Statement with CaseSensitive Parameter
- Simple Switch with Default Condition
- Switch Statement with Wildcard Parameter
- Switch Statement with File Parameter
- Simple Switch With Break
- Switch Statement with Exact Parameter
- Switch Statement with Regex Parameter
- Switch Statement with Expressions
Working with objects
- Working with Objects
- Updating Objects
- Creating a new object
- Examining an object
- Creating Instances of Generic Classes
Using existing static classes
- Using existing static classes
- Using the .Net Math Class
- Adding types
- Creating new GUID instantly
Basic set operations
- Basic Set Operations
- Filtering Where-Object where
- Ordering Sort-Object sort
- Grouping Group-Object group
- Projecting Select-Object select
PowerShell functions
- PowerShell Functions
- Basic Parameters
- Advanced Function
- Mandatory Parameters
- Parameter Validation
- Simple Function with No Parameters
Sending email
- Sending Email
- Send-MailMessage with predefined parameters
- Simple Send-MailMessage
- SMTPClient - Mail with .txt file in body message
Handling secrets and credentials
- Handling Secrets and Credentials
- Accessing the Plaintext Password
- Prompting for Credentials
- Working with Stored Credentials
- Storing the credentials in Encrypted form and Passing it as parameter when Required
PowerShell Remoting
- Powershell Remoting
- Enabling PowerShell Remoting
- Connecting to a Remote Server via PowerShell
- Run commands on a Remote Computer
- A best practise for automatically cleaning-up PSSessions
PowerShell Streams, debug, verbose, warning, error output
- PowerShell Streams Debug Verbose Warning Error Output and Information
- Write-Output
- Write Preferences
Variables in PowerShell
- Variables in PowerShell
- Removing a variable
- Simple variable
- Scope
- Arrays
- List Assignment of Multiple Variables
- Reading a CmdLet Output
Communicating with RESTful APIs
- Communicating with RESTful APIs
- Post Message to hipChat
- Using REST with PowerShell Objects to GET and POST many items
- Use Slack.com Incoming Webhooks
- Using REST with PowerShell Objects to Get and Put individual data
- Using REST with PowerShell to Delete items
Working with the PowerShell pipeline
- Working with the PowerShell pipeline
- Writing Functions with Advanced Lifecycle
- Basic Pipeline Support in Functions
- Working concept of pipeline
PowerShell Background Jobs
- PowerShell Background Jobs
- Basic job creation
- Basic job management
Return behavior in PowerShell
- Return behavior in PowerShell
- Early exit
- Gotcha Return in the pipeline
- Return with a value
- Gotcha Ignoring unwanted output
- How to work with functions returns
XML
- Working with XML Files
- Accessing an XML File
- Creating an XML Document using XmlWriter
- Adding snippits of XML to current XMLDocument
Introduction to psake
- Introduction to Psake
- Basic outline
- FormatTaskName example
- Run Task conditionally
- ContinueOnError
Progress bar
- Using the progress bar
- Simple use of progress bar
- Usage of inner progress bar
Strings
- Strings
- Creating a basic string
- Format string
- Multiline string
- Here-string
- Concatenating strings
- Special characters
TCP communication
- TCP Communication with PowerShell
- TCP listener
- TCP Sender
SharePoint module
- SharePoint Module
- Loading SharePoint Snap-In
- Iterating over all lists of a site collection
- Get all installed features on a site collection
Aliases
- Aliases
- Get-Alias
- Set-Alias
Automatic variables
- Automatic Variables
- OFS
- Untitled
- null
- error
- pid
- Boolean values
- PSItem
Environment variables
- Environment Variables
- Windows environment variables are visible as a PS drive called Env
- Instant call of Environment Variables with env
PowerShell profiles
- Powershell profiles
- Create an basic profile
Enforcing script pre-requisites
- Enforcing script prerequisites
- Enforce minimum version of powershell host
- Enforce running the script as admininstrator
Using the help system
- Using the Help System
- Updating the Help System
- Using Get-Help
- Viewing online version of a help topic
- Viewing Examples
- Viewing the Full Help Page
- Viewing help for a specific parameter
Splatting
- Splatting
- Piping and Splatting
- Passing a Switch parameter using Splatting
- Splatting From Top Level Function to a Series of Inner Function
- Splatting parameters
Desired state configuration
- Desired State Configuration
- Simple example - Enabling WindowsFeature
- Starting DSC mof on remote machine
- Importing psd1 data file into local variable
- List available DSC Resources
- Importing resources for use in DSC
Signing scripts
- Signing Scripts
- Signing a script
- Bypassing execution policy for a single script
- Changing the execution policy using Set-ExecutionPolicy
- Get the current execution policy
- Getting the signature from a signed script
- Creating a self-signed code signing certificate for testing
Security and cryptography
- Security and Cryptography
- Calculating a strings hash codes via .Net Cryptography
CSV parsing
- CSV parsing
- Basic usage of Import-Csv
- Import from CSV and cast properties to correct type
Introduction to Pester
- Introduction to Pester
- Getting Started with Pester
Modules scripts and functions
- Modules Scripts and Functions
- Function
- Script
- Module
- Advanced Functions
PowerShell.exe command-line
- PowerShell.exe Command-Line
- Executing a command
- Executing a script file
Common parameters
- Common parameters
- ErrorAction parameter
Parameter sets
- Parameter sets
- Parameterset to enforce the use of a parmeter when a other is selected.
- Parameter set to limit the combination of parmeters
- Simple parameter sets
Regular Expressions
- Regular Expressions
- Single match
- Replace
- Replace text with dynamic value using a MatchEvalutor
- Escape special characters
- Multiple matches
PowerShell dynamic parameters
- PowerShell Dynamic Parameters
- Simple dynamic parameter
WMI and CIM
- WMI and CIM
- Querying objects
- Classes and namespaces
GUI in PowerShell
- GUI in Powershell
- WPF GUI for Get-Service cmdlet
Conditional logic
- Conditional logic
- if else and else if
- Negation
- If conditional shorthand
URL encode/decode
- URL EncodeDecode
- Encode Query String with System.Web.HttpUtility UrlEncode
- Quick Start Encoding
- Quick Start Decoding
- Encode Query String with uri EscapeDataString
- Decode URL with uri UnescapeDataString
- Decode URL with System.Web.HttpUtility UrlDecode
MongoDB
- MongoDB
- MongoDB with C driver 1.7 using PowerShell
- I have 3 sets of array in Powershell
Running executables
Error handling
- Error handling
- Error Types
HashTables
- HashTables
- Access a hash table value by key.
- Creating a Hash Table
- Add a key value pair to an existing hash table
- Looping over a hash table
- Enumerating through keys and Key-Value Pairs
- Remove a key value pair from an existing hash table
ActiveDirectory module
- ActiveDirectory module
- Users
- Module
- Groups
- Computers
- Objects
SQL queries
- powershell sql queries
- SQLExample
- SQLQuery
Automatic variables #2
- Automatic Variables - part 2
- PSVersionTable
Package management
- Package management
- Find a PowerShell module using a pattern
- Create the default PowerShell Module Reposity
- Find a module by name
- Install a Module by name
- Uninstall a module my name and version
- Update a module by name
Cmdlet naming
- Cmdlet Naming
- Verbs
- Nouns
Built-in variables
- Built-in variables
- PSScriptRoot
- Args
- PSItem
- Untitled
- error
Creating DSC class-based resources
- Creating DSC Class-Based Resources
- Create a DSC Resource Skeleton Class
- DSC Resource Skeleton with Key Property
- DSC Resource with Mandatory Property
- DSC Resource with Required Methods
PowerShell modules
- Powershell Modules
- Create a Module Manifest
- Simple Module Example
- Exporting a Variable from a Module
- Structuring PowerShell Modules
- Location of Modules
- Module Member Visibility
PowerShell workflows
- PowerShell Workflows
- Workflow with Input Parameters
- Simple Workflow Example
- Run Workflow as a Background Job
- Add a Parallel Block to a Workflow
How to downloaded latest artifact from artifactory
- How to download latest artifact from Artifactory using Powershell script v2.0 or below
- Powershell Script for downloading the latest artifcat
Calculated properties
- Calculated Properties
- Display file size in KB - Calculated Properties
Special operators
- Special Operators
- Array Expression Operator
- Call Operation
- Dot sourcing operator
Anonymize IP v4 and v6
- Anonymize IP v4 and v6 in text file with Powershell
- Anonymize IP address in text file
Comment-based help
- Comment-based help
- Function comment-based help
- Script comment-based help
AWS S3
- Amazon Web Services AWS Simple Storage Service S3
- Create a new S3 Bucket
- Upload a Local File Into an S3 Bucket
- Delete a S3 Bucket
AWS Rekognition
- Amazon Web Services AWS Rekognition
- Detect Image Labels with AWS Rekognition
- Compare Facial Similarity with AWS Rekognition
PSScriptAnalyzer
- PSScriptAnalyzer - PowerShell Script Analyzer
- Analyzing scripts with the built-in preset rulesets
- Analyzing scripts against every built-in rule
- List all built-in rules
Naming conventions
- Naming Conventions
- Functions
Embedding managed code (C#, VB)
- Embedding Managed Code C VB
- C Example
- VB.NET Example
Archive module
- Archive Module
- Compress-Archive with wildcard
- Update existing ZIP with Compress-Archive
- Extract a Zip with Expand-Archive
Infrastructure automation
- Simple script for black-box integration test of console applications
Scheduled tasks module
- Scheduled tasks module
- Run PowerShell Script in Scheduled Task
ISE module
- ISE module
- Test Scripts
Recipies
- Count lines in a file
Contributors

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