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Getting Started with Windows PowerShell

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Getting Help and Finding Commands

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PowerShell Command Syntax

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PowerShell Objects and Properties

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The PowerShell Pipeline

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PowerShell Providers

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PowerShell Arrays and Variables

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PowerShell Conditional Statements

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On Premises Lab Setup

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Basic Domain Administration with Windows PowerShell

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Send Emails with PowerShell

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PowerShell Desired State Configuration (DSC) Basics

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PowerShell Modules

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Powershell Challenges

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Section Overview
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The Trusted Hosts List Challenge
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The Trusted Hosts List Answer
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Starting a Remote Session Challenge
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Starting a Remote Session Answer
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Rename a Computer Challenge
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Rename a Computer Answer
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Change a Password on a Remote Computer Challenge
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How to Copy Files To-From a Remote Machine Challenge
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How to Copy Files To-From a Remote Machine using VSC Answer
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How to Export Logs to a CSV File Challenge
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How to Export Logs to a CSV File Answer
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How to Create Multiple Folders on the Host Machine using Powershell
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How to Create Multiple Folders on the Host Machine using Powershell Answer
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Who Rebooted the Server ID1074 Challenge
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Who Rebooted the Server
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How can you get Info on all your Hard Drives Challenge
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How can you get Info on all your Hard Drives Answer
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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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How can I Automate Tasks with Task Scheduler Challenge
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The Pipeline Part 2

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As you already know pipeline parameter binding is the method of stringing together the right cmdlets to perform a task.

Byvalue or Byproperty is the glue that PowerShell uses to allow the output of one command to pass to the input of the second command

In the last lecture we demonstrated how to get commands through the pipeline Byvalue. 

In this lecture, we’ll demonstrate how PowerShell uses parameter binding byproperty.

We’ll introduce two new commands:

  • import-csv and the new-alias command.
  • The Import-Csv cmdlet creates table-like custom objects from the items in 

CSV files. Each column in the CSV file becomes a property of the custom 

object and the items in rows become the property values

  • The New-Alias cmdlet creates a new alias in the current PowerShell session. 

let’s Open windows explorer. From your c: drive create a folder named test. Close explorer

Now we’ll use notepad to create a csv (Comma separated value) file and copy that to our test folder.

  • From the search bar type notepad
  • Now type the following:

Name, Value

L, eventlog

List, get-childitem

P, ping

W, winver

Now from file, click save-as. Click the C: drive and click the test folder

For a file name type aliases.csv 

Change save as type, press the down arrow and change .txt to All Files. 

Now click save., then click close.

Now, the parameter binding process that PowerShell uses to determine what commands pass through the pipeline is basically the same for byproperty and for byvalue, with a few differences. 

For command #1 you still use get-member and for command #2 you still use get-help. The difference is that now you are looking for things that are byproperty instead of byvalue.

  • Command 1 which in this case is import-csv. We’ll use get-member to get the property and methods of the object import-csv.
  • Command 2 will be New-Alias. We’ll us get-help –full to get the parameters that take byproperty.
  • Now we’ll open two PowerShell windows.
  • Type import-csv -path c:\test\aliases.csv | gm now press return

If you recall from our object’s lecture. Objects can have properties or methods. But what we’re interested in is properties and in this case Powershell displays them as noteProperty 

  • (NoteProperties are just generic properties that are created by Powershell)
  • Notice that Name and Value match the column headings from our csv file.

Now we need to use get-help to determine if Command 2 or in this case New-alias has a parameter that will bind with command 1 ByProperty

  • Type get-help new-alias -full press return
  • Scroll up until you see a parameter that says ByPropertyName
  • So, we see that the -Value and -Name parameters both accept pipeline input BypropertyName

These two commands should work because:

Command one which is import-csv passed two properties called name and value across the pipeline to the second command which is new-alias

From the second command new-alias Get-help told us that the parameters -name and -value can take pipeline input by propertyname

So, these command should work. We can test that by typing (press return)

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