In PowerShell, the variable "$_" has special importance. It works like a placeholder in scenarios like this one: PS> Get-ChildItem...
database-tools
Resetting Console Colors in Powershell
If a console application or script has changed the console colors and you want to reset them to the default colors defined in your console...
Getting the Permissions Wired-Up Properly When Attaching a Content Database to a SharePoint Farm
You’ve probably heard the latest news in the SharePoint world: SharePoint 2013 has been released to manufacturing (RTM)! We’ve been told...
Using Closures
Script blocks are dynamic by default, so variables in a script block will be evaluated each time the script block runs. By turning a script block in...
Discovering Useful Console Commands
There are plenty of useful console commands such as ipconfig, whoami, and systeminfo. Most of these commands hide inside the Windows folder....
Check Windows License Status
In a previous tip we explained how you can use slmgr, a built-in VBScript, to check Windows licensing state. The core information used by this...
Calling Native Commands Safely
Sometimes it isn't easy to call a command-line tool with some arguments. The PowerShell parser may interfere, and your call may even return...
Manage Windows License Keys
To automatically manage Windows license keys, use slmgr which is a VBScript that you can call from PowerShell. Just make sure that cscript.exe is...
Unzipping Files
Unfortunately, there is no built-in cmdlet to unzip files. There are plenty of 3rd party tools, many of which are free. If you cannot use these...
Downloading Files from Internet
PowerShell v3 comes with a hugely useful new cmdlet called Invoke-WebRequest. You can use it to interact with websites which also includes...
BUMMER
USE mysql; SHOW FULL TABLES WHERE table_type = 'base table'; /* returns ... innodb_index_stats BASE TABLE innodb_table_stats BASE TABLE ......
Top MySQL Blogs You Should Be Reading
There's a lot happening in the world of MySQL and it's really vital to be up-to-date with the latest advancements in this field to stay ahead of the...
Launching Commands That Start With Numbers
In PowerShell v2, if command names started with a number, you had to use the call operator "&": PS> & 7z In PowerShell v3, this...
Renaming Object Columns
In some of our previous tips, we showed how you can turn comma-separated data returned from different console tools into rich PowerShell objects....
Deleting Certificates
If you want to permanently delete a digital certificate in your certificate store, here is how. This line lists all your personal certificates:...
Normalizing Localized Data
Many console-based tools like driverquery, whoami, or tasklist provide useful information but the column names are localized and may differ,...
Finding Process Owners and Sessions
Get-Process returns a lot of information about running tasks but it does not return the process owners or the session a process is logged on to....
Powershell
Hi there, I have created a simple powershell script which I know works on my local machine running Windows 7 64bit. I have an evaluation copy of...
Easier Parameter Attributes in PowerShell v3
In PowerShell v2, to declare a function parameter as mandatory, you would decorate the parameter like this: param( [Parameter(Mandatory=$true)] $p )...
Exploring Group Membership
To find out the groups your account belongs to, there is a command line tool called whoami. This tool supports options to output the information as...
Installing PowerShell v3 Help
PowerShell v3 comes without help files. To get help, you need to download the help files first. In an elevated PowerShell console, use this command:...
Controlling PSComputerName in Remoting Data with PowerShell
Whenever you use Invoke-Command to remotely execute code, you will notice that PowerShell automatically adds the column PSComputerName to your...
Listing Windows Updates with PowerShell
There is a not widely known COM object that you can use to list all the installed Windows Updates on a machine. Here is the code: $Session =...
Determine Functions Pipeline Position with PowerShell
Assume your function wanted to know whether it is the last element in a pipeline or operating in the middle of it. Here is a way for a function to...