posts-powershell

Increase History Cache

Command history can be a great help when you work for a while in a PowerShell session. Each session stores the commands you issued, and you can...

Getting Last Bootup Time

In PowerShell 3.0 and better, it's trivial to get back real DateTime information from WMI using Get-CimInstance. This would tell you when your...

Copying Arrays (Part 2)

In a previous tip we explained how you can safely "clone" an array using Clone() method. This will copy the content of an array to a new...

Copying Arrays (Part 1)

When you copy variable content, you may just copy the "reference" (memory address), not the content. Take a look at this example: $a =...

Using Encoded Scripts

In VBScript there were encoded scripts. Encoding is by no means a safe way of hiding script content, but it makes it a little harder for users to...

Using Background Jobs

Background jobs can help speed up your scripts. If your scripts consist of a number of separate tasks that also could run in parallel, then...

Removing Windows 10 Apps

Windows 10 comes with a bunch of preinstalled apps. Fortunately, you can use PowerShell to remove any app you don’t like. You may need...

Fixing Remoting Sender Information

If you use Invoke-Command to remotely execute PowerShell code, you may have noticed that PowerShell remoting adds a new PSComputerName property that...

Setting New Windows Registered Owner

This small piece of code prompts for a new registered owner name, then updates the value in the Windows Registry. Note that this requires...

Downloading Files

Invoke-WebRequest can download files from the internet for you. This example downloads a 33MB public NASA video to your computer, then starts to...