posts-powershell

Your own PowerShell functions can have the same sophisticated parameters, parameter types and parameter sets that you know from cmdlets. However, it...

In a previous tip you learned how you can create ad-hoc shares using WMI. These shares persist until you remove them again. So if you'd like to...

Let's assume you need to access another machine's file system but there is no network share available. Provided you have local administrator...

Need a quick message box to display something or ask a question? Fortunately, PowerShell can access old COM components. Here's a line that...

In a previous tip you learned that using "more" to paginate output can be dangerous, and instead you should use Out-Host -Paging. To...

You might know the more.com tool: when you pipe output to more.com, the output is displayed page by page: PS> Get-EventLog -LogName System | more...

Some code snippets are really valuable, so you should turn them into functions to keep around as new PowerShell commands. Here's a sample...

In a previous tip you learned how you can convert raw CSV data from a console application such as driverquery.exe into real PS objects. Let's...

driverquery.exe returns all kinds of information about installed drivers, but the information seems a bit useless at first: PS> driverquery.exe...

In a previous tip, we suggested you to use standard parameter names for your own functions. To get a feeling for what the parameter names are that...

This is a best-practice message: when you create your own function, here are some things you should consider: - Function name: use cmdlet naming...

In a previous tip you learned that text arrays can easily be multiplied. The same is true for assignment operators such as +=. When you apply this...

You probably know what this line produces: 'Hello' * 12 Right, you get 12 times the string you submitted. If you wanted new lines instead, a...

To enumerate all subkeys in a Registry key, you might be using a line like this: PS> Dir...

When you write functions that accept credentials as parameters, add a transformation attribute! This way, the user can either submit a credential...

Use the provider name instead of a drive name when you need to get a list of all registry hives: Dir Registry:: ReTweet this Tip!

If you need to set the default value for a registry key, you can use either of these approaches: Set-ItemProperty -Path HKCU:\Software\Somekey -Name...

You can start by dumping all Help information into a file to learn more about a PowerShell cmdlet. You can then read all details about the cmdlet...

Out-GridView is a great way to present results in a “mini-Excel” sheet: Get-Process | Out-GridView However, Out-GridView has two...

Inside the PowerShell console, you can hold CTRL while pressing the arrow key to move the cursor word-by-word. This way, you can move the cursor...

When you list services with Get-Service, you will find that a lot of properties may seem to be missing. You can still set such properties when you...

You can use WMI like this if you want to change a service start mode: ([wmi]'Win32_Service.Name="Spooler"').ChangeStartMode('Automatic').ReturnValue...

By using WMI, you can enumerate the start mode that you want your services to use. To get a list of all services, try this: Get-WMIObject...

Try this one-liner if you need to print out all PDF documents you have stored in one folder: Dir c:\myfolder\*.pdf | Foreach-Object { Start-Process...

When you need to store a picture into an AD account, the picture will have to be converted to byte values before it can be stored. Just make sure...

When you query network adapters with WMI, it is not easy to find the active network card. To find the network card(s) that are currently connected...

When you read multi-valued information from WMI or any other source, for example, network adapter IP addresses, this information is returned as a...

Sometimes it would be nice to be able to access network adapter configuration based on the name of that adapter as it appears in your network and...

Provided you have Microsoft Excel installed, here is a clever function that you can use to convert PowerShell results into Excel spreadsheets:...

If you want to capture PowerShell results in a text file, you can redirect the results or pipe them to Out-File. In any case, what you capture is...