Powershell

Hash tables and dictionaries are perfect lookup tables: whenever your original data contains cryptic numbers or a command returns just numeric...

On Windows, PowerShell comes with cmdlets to automate the built-in antivirus engine “Defender”. In this second part, let’s take a look at how you...

On Windows, PowerShell comes with cmdlets to automate the built-in antivirus engine “Defender”. If you’d like to update the signatures...

PowerShell is a generic script language so you can do all kinds of stuff with it. Below is a function that takes a light wavelength and converts it...

Let’s say your script needs sensitive input like connection strings for a database or other text information. One way of managing such secrets is to...

In part 1 we looked at how data becomes more accessible when converted to a more appropriate .NET data type. If you can't find an existing data type...

Windows is an API-driven operating system, and PowerShell is, too. Compared to other shells that use plain text as a common denominator and leave it...

As explained in the previous part, PowerShell uses the $ConfimPreference automatic variable as part of its risk mitigation system: whenever a...

In PowerShell, the $ConfimPreference variable is set to "High" by default. What does this setting control? PS> $ConfirmPreference High Any...

In PowerShell, there are four separate sources of commands you can pick from when trying to solve a problem. In this mini-series, we look at all of...

In PowerShell, there are four separate sources of commands you can pick from when trying to solve a problem. In this mini-series, we look at all of...

In PowerShell, there are four separate sources of commands you can pick from when trying to solve a problem. In this mini-series, we look at all of...

In PowerShell, there are four separate sources of commands you can pick from when trying to solve a problem. In this mini-series, we look at all of...

If you run a laptop you can easily ask WMI for battery status such as charging status. With a little bit more work, though, you can also check the...

WMI is a great and simple way of gathering information about computers. For example, it’s a snap to determine the type of computer you are on: $info...

One very simple way of extending PowerShell commands are scripts. To turn a script into a command, pick a folder and store the PowerShell script in...

If you’d like to find out (or document) the website cookies stored by the Edge browser, PowerShell can dump that information for you. The cookie...

When you run into new PowerShell commands, it’s always a good idea to get familiar with the result objects. When you simply run a PowerShell command...

Many network printer support SNMP to query information about the device, i.e. its serial number, the status and paper sizes of installed trays, or...

Whenever a user on a Windows box locks his or her session, an event is emitted. Another event is emitted when you unlock your session again. Both...

Whenever you enter a command name that cannot be found by PowerShell, it can extend the command search by custom actions that you define. Here is a...

The Windows operating system ships with the “Storage” PowerShell module which can be used both from Windows PowerShell and PowerShell 7. One of the...

When your script needs attention, i.e. asking for user input, let’s turn its taskbar button in the Windows taskbar orange so the user immediately...