Powershell

One of the big pitfalls in PowerShell code is the automatic variable $PSScriptRoot which always holds the path to the folder the current script is...

Simple file downloads can be done in a variety of ways, i.e., using Invoke-RestMethod, Invoke-WebRequest, or via the BitsTransfer module. If you...

When software receives updates, it often does not clean up previous updates that are no longer required. These deprecated “patch files” accumulate...

In part 1 and 2 we looked at removing PowerShell modules altogether. In this last part we’ll look at PowerShell module versions you may no longer...

In part 1 we looked at removing PowerShell modules that were originally installed via “Install-Module”. You can as well remove PowerShell modules...

There are plenty of scripts available that promise to read the original Windows 10 product key from the registry by converting a series of binary...

In the most simplistic case, you can check all your installed modules for updates with just a one-liner (remove -WhatIf to actually perform the...

When you download files from the internet, or when you copy files from untrusted sources to an NTFS-formatted drive, Windows adds a secret NTFS...

If you have tried VS Code in the past but were disappointed because of speed and stability, you may want to have a second look now. On May 3, Sydney...

In the previous tip we pointed you to the official PowerShell Language Definition which is available online in many different languages. Which...

Today I like to point you to the official Microsoft PowerShell Language Definition. As a seasoned PowerShell scripter, you can gain a lot of inside...

URLs aren’t always (directly) pointing to a resource. Often, URL act as shortcuts or static addresses that always point to latest versions....

PowerShell is object-oriented so there’s not much text filtering and regex magic required compared to Linux and grep. Yet occasionally, it would be...

There are plenty of scripts available that promise to read the original Windows 10 product key from the registry by converting a series of binary...

In our effort to create a sudo command for PowerShell – to elevate individual commands – in part 1 we created the sudo function body: function sudo...

In Linux shells, there’s a command called “sudo” that lets you run a command with elevated privileges. In PowerShell, you’d have to open a...

In the previous parts, we created a code signing certificate and used it to add a digital signature to a PowerShell script file. Yet what good can a...

In our previous tip we explained how you can use New-SelfSignedCert to create a self-signed code signing certificate. Today, we’ll use a self-signed...

Adding a digital signature to a PowerShell script is no black magic anymore these days, and while you ideally need an official “trusted” code...

Often PowerShell scripts use a very simple form of error reporting that is structured like this: # clearing global error list: $error.Clear() #...

In the previous post we introduced the Windows tool cleanmgr and its parameters /sageset and /sagerun that you can use to define and run automated...