Powershell

PowerShell 7 comes with a built-in parameter to run different tasks in parallel. Here is a simple example: 1..100 | ForEach-Object -ThrottleLimit 20...

Here is a somewhat unknown parameter: -RepeatHeader! What does it do? Let’s assume you want to see results page by page (which only works in a...

With PowerShell 7, the language gets a new operator that created a lot of debate. Basically, you don’t have to use it, but users with a developer...

In PowerShell 5, a new cmdlet called Get-ComputerInfo was introduced which does what systeminfo.exe did in the past, yet Get-ComputerInfo is...

For a long time, the command-line utility systeminfo.exe provides a wealth of information about a computer and can return object-oriented results...

In this mini-series, we are looking at the differences between Get-WmiObject and Get-CimInstance. Future PowerShell versions no longer support...

In this mini-series, we are looking at the differences between Get-WmiObject and Get-CimInstance. Future PowerShell versions no longer support...

In this mini-series, we are looking at the differences between Get-WmiObject and Get-CimInstance. Future PowerShell versions no longer support...

WMI (Windows Management Instrumentation) is part of any Windows operating system and a common and widely used way of getting information about a...

Converting old Word documents to the new .docx format can be a lot of work, and in part 1 you learned the basic steps to automate conversion....

Converting old Word documents to the new .docx format can be a lot of work. Thanks to PowerShell, you can automate the conversion: function...

Most PowerShell commands live in modules, and by adding new modules, you can add new commands to your PowerShell environment. To find out whether a...

WMI (Windows Management Instrumentation) is a great information source: you can find almost any information about your computer somewhere. The hard...

Often, a single object needs to be examined, i.e. a process or an Active Directory user. When you display an object in a grid view window such as...

How about turning a single object into a hash table? This way, you can display one object property per line when you output the object in a grid...

Let’s assume you want to hide all object properties that have no value (are empty). Here is a simple approach: # get any object $object =...

Via the secret “PSObject” property, you can get detailed information about object members. For example, if you’d like to know...

In PowerShell, most data are represented as PSObjects, a specific object “wrapper” added by PowerShell. To get to this specific wrapper,...

This is the second part of our text encryption/decryption series. In the first part you learned how you can safely encrypt text on a machine. Now...

Let’s take a look at a safe way of encrypting text on a computer. The below Protect-Text function takes any text and encrypts it...

Internally, Active Directory stores all passwords as so-called NTLM Hashes. There are a number of security-analysis tools that can read and dump...

Here’s a fun PowerShell script that you can use to create a simple multi-channel chat room. All you need is a network share where everyone has...

In previous tips, we already talked about services such as haveIbeenpwned.com. They harvest leaked passwords from previous hacker attacks so you can...

It can be very useful to be able to convert an encrypted SecureString back to a plain text. This way, for example, you can use PowerShell’s...

If your script requires external binary resources such as picture files or DLLs, you can of course ship them together with your script. You could,...

In October 2018, a Windows 10 update added built-in SSH support to Windows 10. From now on, Windows 10 ships with a command-line tool called “ssh”....

In the previous tip we illustrated how you can download a PowerShell script which automatically downloads the latest version of PowerShell Core....

As you probably know, Windows PowerShell (the one shipping in Windows) is done, and all efforts go into development of the new cross-platform...

Here is a one-liner that retrieves your current public IP address: PS> Invoke-RestMethod -Uri http://ipinfo.io ip : 87.153.224.209 hostname :...