Powershell

Find All Domain Controllers

If you have installed the free Microsoft RSAT tools, you have access to the ActiveDirectory module. Here is a simple approach to find all domain...

Free Ebooks from Microsoft

Microsoft is giving away unlimited numbers of free ebooks on many different topics. Ebooks can be downloaded using a PowerShell script. Here are the...

Removing Windows 10 Apps

PowerShell is probably the easiest way to get rid of preinstalled Windows 10 apps. If you know the name of a particular app that you want to remove,...

Launching Daily Tools via Alias

You probably know the shortcut names that PowerShell predefines: Aliases like “dir” and “ls” help you save typing in...

Repairing Disk Drives

In the old days, disk repair was performed by chkdsk.exe. This still works. In Windows Server 2012 R2 and Windows 8.1, a new cmdlet called...

Finding Your Windows Product Key

Knowing your Windows product key can be essential when you later need to restore your computer from a backup. Here is a simple one-liner to provide...

Getting Cached Credentials

In the previous tip we talked about a public module called PSCredentialManager that helps you manage cached credentials. Sometime, less is more, so...

Playing with PowerShell Gallery Content

The public PowerShell Gallery (www.powershellgallery.com) is a place where PowerShell scripters can freely exchange scripts and modules. All you...

Calculating Folder File Size

Measure-Object can also sum up property values. This is how you determine folder size. The following code calculates the complete folder size for...

Counting Files Efficiently (Part 2)

In the previous tip we looked at how to efficiently count items like files in a folder. Here are some more examples. Counting the number of files in...

Counting Files Efficiently (Part 1)

A quick and dirty approach for counting files could be this: (Get-ChildItem -Path c:\windows).Count However, it would produce some memory load...

Uncovering TinyUrls’ True Origin

URL shortening is great for Twitter messages but hides the origin. Would you really trust http://bit.ly/e0Mw9w? Here is a simple approach that lets...

Creating Colorful Weather Report

In the previous tip we explained how you can retrieve weather forecast data using Invoke-WebRequest. This was pure black-and-white text. To get a...

Get Weather Forecast

Invoke-WebRequest can easily retrieve web page content for you. If you run it without the –UseBasicParsing parameter, the HTML is even parsed...

Avoid Read-Host

Do you use Read-Host to receive user input? If you do, rethink. Read-Host always prompts a user, and there is no way to automate scripts that use...

Using Online Help

PowerShell does not ship with help files, and installing help files locally requires Administrator privileges. A much easier approach can often be...

Logging Script Output

There are numerous ways to log script output but one especially lazy technique is to run Start-Transcript. In PowerShell 5, this cmdlet is supported...

“Braces Secret” with PowerShell.exe

Here is a little secret that applies to powershell.exe when it is called from within PowerShell or PowerShell Core: when you run powershell.exe and...

Parsing Distinguished Names

Distinguished names are strings, and strings contain powerful ways of parsing data. The most powerful yet simple approach is the Split() method....

Auditing Logons

Have you ever wondered whether someone has logged into your PC while you were away? In a previous tip we explained how you can examine the rich...

Finding UAC Elevations

The Windows “Security” log contains rich audit information. By default, it logs all requests for privilege elevation which occurs when...

How to Correctly Wrap Multiple Results

Whenever a PowerShell function needs to return more than one kind of information, it is important to wrap them as objects. Only then will the caller...

Explore WMI

Get-WmiObject and Get-CimInstance both can provide you with a lot of valuable information, provided you know the name of WMI classes to query. Here...

Find Installed Software

Most installed software registers itself in one of four places inside the Windows Registry. Here is a quick PowerShell function called...

Disable OneDrive in Windows 10

Are you also irritated by the OneDrive icon found in the navigation tree in explorer? If you never use OneDrive, here are two easy-to-use PowerShell...

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