database-tools

gpupdate on Remote Machines

To run gpupdate.exe remotely, you could use a script like this: function Start-GPUpdate { param ( [String[]] $ComputerName ) $code = { $rv = 1 |...

Getting Database Connection String

Have you ever been puzzled just what the connection string would look like for a given database? When you create a new data source in Control Panel,...

Use Splatting to Encapsulate WMI Calls

Splatting is a great way of forwarding parameters to another cmdlet. Here is an example that can be used to encapsulate WMI calls and make them...

Submitting Parameters through Splatting

Splatting was introduced in PowerShell 3.0, but many users still never heard of this. It is a technique to programmatically submit parameters to a...

Getting Group Membership – Fast

If you need to find out the Active Directory groups your user account is in, typically you would query the Active Directory, and you would have to...

Setting Registry Permissions

Setting permissions for Registry keys isn't trivial. With a little trick, though, it is no big deal anymore. First, open REGEDIT and create a...

Blocking Administrator Scripts

If you know that your script requires Administrator privileges, then you should add this to the top of your script: #requires -runasadministrator...

Removing Selected NTFS Permissions

Maybe you need to remove some permission settings from NTFS permissions. Let's assume you want to remove all permissions for a specific user...

PowerShell God Mode

Before you can run a PowerShell script, the execution policy needs to allow this. Typically, you would use this line to enable script execution:...

Checking Windows Updates

To check all installed updates on a Windows box, there is a COM library you can use. Unfortunately, this library isn't very intuitive to use,...

Getting Free Cheat Sheets

There are two great sources for PowerShell cheat sheets. One is the set of cheat sheets created by powershellmagazine.com which was just updated to...

Start to Look at DSC

Desired State Configuration (DSC) is a new feature in PowerShell 4.0. With DSC, you can write simple configuration scripts and apply them to the...

Compiling Binary Cmdlets

PowerShell functions can mimick all the features found in a true binary cmdlet--but PowerShell functions are plain PowerShell code, so anyone can...

Adding and Resetting NTFS Permissions

Whether you want to add a new NTFS access rule to a file or turn off inheritance and add new rules, here is a sample script that illustrates the...

Converting Text Arrays to String

Occasionally, text from a text file needs to be read and processed by other commands. Typically, you would use Get-Content to read the text file...

ISE Bug Locks Debugger

There is an obscure bug in the PowerShell ISE that may dead-lock the debugger. It affects PowerShell version 3.0 and 4.0. Here is a test script:...

Bulk Renaming Object Properties

Occasionally, it may become necessary to bulk rename object properties to create better reports. For example, if you retrieve process objects, you...

Fixing Display in Excel Reports

When you send information to Microsoft Excel, it is converted to text using the built-in .NET ToString() method. This method typically does not...

Creating Excel Reports

PowerShell objects can easily be opened in Microsoft Excel. Simply export the objects to CSV, then open the CSV file with the associated program...

Solaris 10 Agent Issue

Hi, in troubleshooting an agent issue, I’m seeing the following:     #su – nobody #telnet localhost 9998 Trying 127.0.0.1…...

Use JSON to Create Objects

JSON is describing objects, similar to XML--but a lot easier. JSON allows for nested object properties, so you can retrieve information from various...

Getting Variable Value in Parent Scope

If you define variables in a function, then these variables live in function scope. To find out what the value of the variable is in the parent...

Updating Windows Defender Signatures

Windows 8.1 comes with a ton of new cmdlets. One of them can automatically download and install the latest antivirus signatures for Windows...

Showing WPF Info Message

WPF (Windows Presentation Foundation) is a technology that enables you to create windows and dialogs. The advantage of WPF is that the window design...

Sending Email via Outlook

Of course you can send emails directly via SMTP server using Send-MailMessage. But if you want to prefill an email form in your default MAPI client,...