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Course Introduction

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Getting Started with Windows PowerShell

• 56min

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Getting Help and Finding Commands

• 39min

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PowerShell Command Syntax

• 33min

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PowerShell Objects and Properties

• 35min

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The PowerShell Pipeline

• 24min

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PowerShell Providers

• 30min

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PowerShell Arrays and Variables

• 28min

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PowerShell Loops

• 19min

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PowerShell Conditional Statements

• 11min

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On Premises Lab Setup

• 36min

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Basic Domain Administration with Windows PowerShell

• 2hr 27min

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Send Emails with PowerShell

• 22min

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PowerShell Desired State Configuration (DSC) Basics

• 1hr 48min

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PowerShell Modules

• 58min

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Powershell Challenges

• 1hr 55min

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Section Overview
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The Trusted Hosts List Challenge
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Text | 5 min

The Trusted Hosts List Answer
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Video | 5 min

Starting a Remote Session Challenge
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Text | 5 min

Starting a Remote Session Answer
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Video | 5 min

Rename a Computer Challenge
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Text | 5 min

Rename a Computer Answer
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Video | 5 min

Change a Password on a Remote Computer Challenge
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Text | 5 min

Change a Password on a Remote Computer Answer
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Video | 5 min

How to Copy Files To-From a Remote Machine Challenge
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Text | 5 min

How to Copy Files To-From a Remote Machine using VSC Answer
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Video | 5 min

How to Export Logs to a CSV File Challenge
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Text | 5 min

How to Export Logs to a CSV File Answer
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Video | 5 min

How to Create Multiple Folders on the Host Machine using Powershell
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Text | 5 min

How to Create Multiple Folders on the Host Machine using Powershell Answer
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Video | 5 min

Who Rebooted the Server ID1074 Challenge
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Text | 5 min

Who Rebooted the Server
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Video | 5 min

How can you get Info on all your Hard Drives Challenge
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Text | 5 min

How can you get Info on all your Hard Drives Answer
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Video | 5 min

How can I get a list of CPU's and Installed Printers, Last Boot-up Time Challenge
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How can I get a List of CPU's and Installed Printers, Last Boot-up Time Answer
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Video | 5 min

How can I Automate Tasks with Task Scheduler Challenge
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How can I Automate Tasks with the Task Scheduler Answer
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Course Conclusion

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In this lecture, we are going to discuss PowerShell For Each loop.

Open the PowerShell ISE as an Administrator.

We are going to go ahead and start by discussing what a For Each Loop is.

Now, this is a loop that is specifically made to iterate over elements stored inside of an array. 

So, we take our array: $Vehicles = @(“Cars”,”Motorcycles”,”Trucks”,”SUVs”) and we execute it in PowerShell.

Type in $Vehicles and press Enter. We get the entire array of contents.

Now, if we want to iterate that through a For Loop we can type and execute the following:

$Vehicles = @(“Cars”,”Motorcycles”,”Trucks”,”SUVs”)

for ($i=0; $i -lt $Vehicles.Count; $i++) {

$Vehicles [$i]

}

Basically, it will show the same output as before but now in a For Loop.

We can further modify that and add the following to the script.

$Vehicles = @(“Cars”,”Motorcycles”,”Trucks”,”SUVs”)

for ($i=0; $i -lt $Vehicles.Count; $i++) {

echo (“Element $i = “ + $Vehicles [$i])

}

Execute the script.

This is the way we would have done it before.

Now, inside of a For Loop or a For Each loop rather we can do things like this:

$Array = @(“Element1”,”Element2”)

ForEach($Element in $Array) {

$Element

}

Execute the script.

What we are doing here is assign a variable $Element, and this $Element represents whatever element we are actually iterating over currently inside the array and we can change the $Element to any value like $i and will output the same results.

Now, if we are trying to make something like a new user account we can do an array that contains a list of people like the following:

$People = @(“Paul Hill”,”Jason Tolber”,”Charlie Irkins”,”Malanie Garth”)

ForEach ($Person in $People) {

echo “Creating new Active Directory user account for $Person”

}

Let’s execute the script.

You can see that it is creating a new Active Directory User Account for the users.

So, this is an example, we can actually directly write a new command to our script like using the New-ADUser and Import the Active Directory module to actually create a user. But you can actually create an Active Directory account by using arrays in the For Each loop.

So, that is an example of what a For Each Loop is and this is how you can use it. Of course, we are just echoing an output, we are not actually creating anything but just as an example this is how you would do it.

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AndreServille1(@andres)
Member
8 months ago

This script is very basic and helpfull. I enjoy that. Thank you Instructor Paul