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* choco install powershell-core

* PowerShell - https://ss64.com/ps

* Starting Windows PowerShell

----

PowerShell is a task automation framework consisting of a command-line shell and scripting language designed for system administration and automation. It was developed by Microsoft and is built on the .NET framework. PowerShell enables administrators to automate tasks and manage systems more efficiently by providing a rich set of commands and scripting capabilities.

### Key Features of PowerShell

1. **Command-line Shell**:
- Provides a powerful interactive command-line interface for executing commands and scripts.

2. **Scripting Language**:
- PowerShell scripting language is designed for automation and configuration management. It supports functions, loops, conditionals, and error handling.

3. **Cmdlets**:
- Cmdlets are specialized .NET classes that perform specific operations. PowerShell includes a large set of built-in cmdlets, and users can create custom cmdlets.

4. **Pipelining**:
- Allows output of one command to be used as input for another command, enabling complex operations to be performed by chaining simple commands.

5. **Remote Management**:
- Supports remote management capabilities, allowing administrators to execute commands and scripts on remote systems.

6. **Integration with Other Tools**:
- Can interact with various Microsoft products and services, including Active Directory, Exchange Server, Azure, and more.

### Basic PowerShell Commands

#### Navigating the File System
```powershell
Get-ChildItem -Path C:\ # Lists files and directories in the specified path
Set-Location -Path C:\Users # Changes the current directory
Get-Location # Displays the current directory
```

#### Managing Files and Directories
```powershell
New-Item -Path "C:\Temp\example.txt" -ItemType File # Creates a new file
Remove-Item -Path "C:\Temp\example.txt" # Deletes a file
Copy-Item -Path "C:\Temp\example.txt" -Destination "C:\Backup" # Copies a file
Move-Item -Path "C:\Temp\example.txt" -Destination "C:\Backup" # Moves a file
```

#### Working with Processes
```powershell
Get-Process # Lists all running processes
Stop-Process -Name "notepad" # Stops a process by name
Start-Process -FilePath "notepad.exe" # Starts a new process
```

#### Managing Services
```powershell
Get-Service # Lists all services
Start-Service -Name "W3SVC" # Starts a service
Stop-Service -Name "W3SVC" # Stops a service
Restart-Service -Name "W3SVC" # Restarts a service
```

### Scripting in PowerShell

#### Variables
```powershell
$greeting = "Hello, World!"
$number = 42
```

#### Functions
```powershell
function Get-Greeting {
param (
[string]$Name = "User"
)
return "Hello, $Name!"
}

# Call the function
Get-Greeting -Name "Alice"
```

#### Conditional Statements
```powershell
$number = 10

if ($number -lt 20) {
Write-Output "The number is less than 20."
} elseif ($number -eq 20) {
Write-Output "The number is equal to 20."
} else {
Write-Output "The number is greater than 20."
}
```

#### Loops
```powershell
# For loop
for ($i = 1; $i -le 5; $i++) {
Write-Output "Iteration $i"
}

# Foreach loop
$items = 1..5
foreach ($item in $items) {
Write-Output "Item: $item"
}

# While loop
$count = 1
while ($count -le 5) {
Write-Output "Count: $count"
$count++
}
```

### Remote Management

To enable remote management, you can use PowerShell Remoting:
```powershell
Enable-PSRemoting -Force

# Execute a command on a remote system
Invoke-Command -ComputerName "Server01" -ScriptBlock { Get-Process }

# Establish an interactive session with a remote system
Enter-PSSession -ComputerName "Server01"
```

### Extending PowerShell

#### Installing Modules
You can extend the functionality of PowerShell by installing modules from the PowerShell Gallery:
```powershell
Install-Module -Name AzureRM
Import-Module -Name AzureRM
```

#### Creating Custom Cmdlets
You can create custom cmdlets using PowerShell script files (.ps1) or by writing cmdlets in C# and packaging them in a PowerShell module.

### Benefits of PowerShell

- **Automation**: Simplifies and automates repetitive tasks.
- **Efficiency**: Reduces the time and effort required to manage systems.
- **Integration**: Seamlessly integrates with various Microsoft products and services.
- **Extensibility**: Easily extendable with custom modules and scripts.
- **Cross-platform**: PowerShell Core is available on Windows, Linux, and macOS.

### Example Use Cases

- **System Administration**: Automating user management, system updates, and configurations.
- **DevOps**: Managing cloud resources, continuous integration, and continuous deployment pipelines.
- **Monitoring and Reporting**: Gathering system information and generating reports.

PowerShell is a versatile and powerful tool that empowers administrators to manage systems more effectively and efficiently through automation and scripting.

----

PowerShell is an "interpreted dynamically typed scripting language with a weak type system." (Fair Use Source: https://stackoverflow.com/questions/11880447/what-type-of-language-is-powershell#11881285)

Greg Shields submits that "Windows PowerShell is a text-based administrative automation solution. Through the simple connection of a few key cmdlets, even the greenest of IT pros can speed up the completion of the most difficult IT tasks." "Windows PowerShell indeed comes equipped with some powerful scripting constructs that enable it to accomplish all the tasks you're used to seeing in a scripting language. But at its very core, Windows PowerShell is something far superior to a scripting language. It's a not-that-difficult mechanism to swiftly accomplish IT's daily tasks, all without the repeated steps and potential for error that accompanies using the mouse." Fair Use: https://redmondmag.com/articles/2010/05/01/windows-powershell-is-not-a-scripting-language.aspx

External sites

* https://redmondmag.com/articles/2010/05/01/windows-powershell-is-not-a-scripting-language.aspx

powershell

Return to GitHub star ranking for organizations, GitHub star ranking for repositories, GitOps or GitHub

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YouTube Videos

* https://youtube.com/user/powershell
* https://youtube.com/results?search_query=powershell - YouTube Search

Cloud Monk recommends the following YouTube video:

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PowerShell Master Class - PowerShell Fundamentals by John Savill

* Learn Windows PowerShell in a Month of Lunches by Don Jones - https://www.youtube.com/watch?v=6CRTahGYnws&list=PL6D474E721138865A

GitHub Tags

GitHub Tags:

* https://github.com/search?q=powershell
* https://github.com/PowerShell/PowerShell
* https://github.com/Azure/azure-powershell
* https://github.com/MicrosoftDocs/PowerShell-Docs

External Sites

=Main

=
* https://docs.microsoft.com/en-us/powershell
* https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell?view=powershell-7
* https://github.com/powershell/powershell

* g>powershell

=Interesting Articles

=
* https://aws.amazon.com/powershell
* https://aws.amazon.com/quickstart/architecture/powershell-dsc
* https://aws.amazon.com/windows/resources/whitepapers/powershell
* https://cloud.google.com/powershell
* https://github.com/GoogleCloudPlatform/google-cloud-powershell
* https://cloud.google.com/tools/powershell/docs
* https://cloud.google.com/tools/powershell/docs/quickstart
* https://cloud.google.com/blog/products/gcp/running-powershell-on-google-cloud-sdk

=Support Resources, FAQs, Q&A, Docs, Blogs

=
* https://github.com/search?q=powershell - GitHub Search
* https://docs.microsoft.com/en-us/search/?terms=powershell - Microsoft Documentation Search
* https://aws.amazon.com/search/?searchQuery=powershell - AWS Search
* https://cloud.google.com/s/results?q=powershell - GCP Search
* https://stackoverflow.com/search?q=powershell - StackOverflow Search
** https://stackoverflow.com/questions/tagged/powershell
* https://superuser.com/search?q=powershell - Superuser Search
** https://superuser.com/questions/tagged/powershell
* https://reddit.com/search?q=powershell - Reddit Search
** https://www.reddit.com/r/PowerShell
* https://quora.com/search?q=powershell - Quora Search
* https://medium.com/search?q=powershell - Medium Blog Search

=Search Engines

=
* https://duckduckgo.com/?q=powershell - DuckDuckGo Search
* https://mojeek.com/search?q=powershell - Mojeek Search
* https://qwant.com/?q=powershell - Qwant Search
* https://bing.com/search?q=powershell - Bing Search
* https://search.yahoo.com/search?p=powershell - Yahoo Search
* https://google.com/search?q=powershell - Google Search

=Repos and Registries

=
Package Managers Artifact Registries and Repos:
* https://github.com/search?q=powershell - GitHub Search
* https://hub.helm.sh/charts?q=powershell - Helm Hub Search
* https://hub.docker.com/search?q=powershell&type=image - Docker Hub Search
* https://chocolatey.org/packages?q=powershell - Chocolatey Search - Chocolatey Package Manager Search
* https://formulae.brew.sh/formula - Homebrew Search - Homebrew Package Manager Search
* https://pkgs.org/search/?q=powershell - pkgs.org Linux package search
* https://search.maven.org/search?q=powershell - Maven Search - Maven Package Manager Search
* https://mvnrepository.com/search?q=powershell - Maven Repo Search - Maven Package Manager Search
* https://plugins.gradle.org/search?term=powershell - Gradle Search - Gradle Package Manager Search
* https://www.npmjs.com/search?q=powershell - NPM Search - NPM Node Package Manager Search
* https://pypi.org/search/?q=powershell - PyPI Search - PyPI Python Package Index Search
* https://www.nuget.org/packages?q=powershell - Nuget Search - Nuget Package Manager Search
* https://rubygems.org/search?&query=powershell - RubyGem Search - RubyGem Package Manager Search
* https://gitlab.com/explore?=&name=powershell - GitLab Repo Search
* https://bitbucket.org/repo/all?name=powershell - Bitbucket Repo Search
* https://repo.jfrog.org/artifactory/libs-release-bintray/com/powershell - jFrog Artifactory Search
* https://bitnami.com/stacks - Bitnami Search

=Courses

=
* https://pluralsight.com/search/?q=powershell - Pluralsight Courses
* https://udemy.com/courses/search/?q=powershell - Udemy Courses
* https://acloudguru.com/blog/search?s=powershell - ACloudGuru Courses
* https://linkedin.com/learning/search?keywords=powershell - LinkedIn Learning Courses
* https://coursera.org/search?query=powershell - Coursera Courses

=Books

=
* https://amazon.com/s?k=powershell - Amazon Search
* https://audible.com/search?keywords=powershell - Audible Search

=Vidcasts-Podcasts

=
* https://podcasts.google.com/search/powershell - Google Podcast Search
* https://open.spotify.com/search/powershell - Spotify Podcast Search
* https://tunein.com/search/?query=powershell - TuneIn.com Podcast Search
* https://podbean.com/site/Search/index?v=powershell - PodBean Podcast Search
* https://youtube.com/results?search_query=powershell - YouTube Search

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