posts-powershell

PowerShell 3+ PowerShell examines the $env:PSModulePath environment variable to find out the locations where it searches for extension modules. A...

PowerShell 3+ The popular winrm command to manage and configure PowerShell Remoting is really just a batch and a VBS file: PS> Get-Command winrm...

PowerShell 3+ In the previous tip we presented to you a “Dancing Rick ASCII”, created by Lee Holmes. Lee uses music stored on his server...

PowerShell 2 There is a good reason why Invoke-Expression is considered risky. This cmdlet executes whatever string it gets, and attackers can...

PowerShell 3+ It is fairly easy to use WPF (Windows Presentation Foundation) to create and show simple dialog windows in PowerShell. If you’d...

PowerShell 2+ Here is a fun example that illustrates how to work with timers. It adds a clock to the title bar of the PowerShell console or the...

PowerShell 2+ To move the Windows page file to a new location, you can use WMI: #requires -Version 2 $args = @{ Name = "D:\pagefile.sys" InitialSize...

When there is the need to encrypt sensitive data, scripts always face the challenge to protect the secret key used to decrypt. If the secret is to...

If you’d like to know the group memberships of the currently logged on user (the one that is running a script), you don’t need to query...

PowerShell 2+ In the previous tip we introduced variables with read-only dynamic content that updated each time the variable was read. This required...

PowerShell 2+ A little-known fact is that you can add variables to PowerShell that automatically update their content. If you need random numbers,...

PowerShell 2 or better There are sometimes a lot of good reasons why you’d like to run a script by a different host. powershell.exe might be...

All Versions Here is an example that implements a simple web server with just a few lines of code. When you run this script, you can enter one of...

All versions Here is a simple way how an existing user can change the password for his account. The user must know his old password and does not...

Any version If you browsed to a folder using File Explorer, and then would like to open a PowerShell with the current folder set to the browsed...

Here is an example that illustrates how you access a REST API online. The script retrieves GIT tips. GIT is an open-source control system. Even if...

All PowerShell Versions Simply add a new drive to one of the file locations you often visit: # create folder if it does not exist yet $path =...

PowerShell 2+ Sometimes it may take some time for a PowerShell command to complete, and while the command is working, the user gets no visual clue....

PowerShell 5 PowerShell 5.0 on Windows 10 ships with a much-enhanced and colorful PowerShell console. PowerShell 5.0 on other operating systems just...

PowerShell 5 The free Microsoft RSAT tools come with a full-blown ActiveDirectory module, but sometimes simple AD tasks can be mastered with just a...

PowerShell 2+ Objects can have a nested and complex inner structure, and it can be tiresome to examine properties one by one. Here is a simple...

PowerShell 3+ Often, all you want is suppress errors, and find out whether a given cmdlet worked or not. Here is a very simplistic approach that...

PowerShell 3+ Today, we dive a little deeper in the programming part, and show you how a PowerShell function can have parameters that have dynamic...

PowerShell 3+ / PowerShellGet In the previous tip we explained PowerShellGet. This module ships with PowerShell 5.0 but is available for download on...

PowerShell 3+ Did you know that you can easily export modules from other computers to your local machine? Assume you don’t have the RSAT tools...

PowerShell 5 Beginning with PowerShell 5.0, the PowerShell ISE can connect to other processes that run a PowerShell runspace, display the source...

PowerShell 2+ If you do PowerShell remoting, you may have experienced “double-hop” problem. It occurs when you try to pass on your...

PowerShell 2+ NTFS permissions are represented by complex object hierarchies that are hard to read. A much simpler way is to output the structure in...

PowerShell 2+ Let’s do two things. First, have a look at a useful small new function that does DNS resolution. Then, let’s discuss why...

PowerShell 3+ / PowerShellGet In the previous tip we introduced PowerShellGet and showed how you can install this module from...