PowerShell articles, tutorials, and guides from community experts.
I had some questions come in after mu recent post regarding select-string. I"™ll answer them as a series of posts. First off: I’m recursively searching thru many files, and want to pull out specific data in ‘fixed column’ positions from the line(s) that match the phrase …
User group member Greg Martin gave a presentation on Active Directory and PowerShell. A copy of his presentation can be found here and included the following topics: Building a copy of your production AD domain Notifying users of expiring passwords Dealing with expired computer accounts User group …
I have seen a lot of confusion recently over the use of Select-String. One mis-conception is that you need to use Get-Content to pipe the file contents into Select-String. Not so. Select-String will read the file for you. If you just want to scan the files in a single folder to find a specific …
WMI enables you find the number of processors in your system: PS> Get-WmiObject -Class Win32_ComputerSystem | fl Number* NumberOfLogicalProcessors : 2 NumberOfProcessors : 1 This works fine for Windows Vista/Windows 2008 and above. Earlier versions of Windows mis-report the number of processors …
A question on my blog asked how do you know which domain controller you are running against when you search Active Directory. Unless you explicitly instruct your script to use a specific domain controller it will use the one to which you authenticated. You can find the DC to which you authenticated …
Microsoft’s a big company, and that makes it a big target for lawsuits. We all know that. But what doesn’t always sink in is how careful the company has to be. For example, in Microsoft Official Curriculum course 10961, Automating Administration with Windows PowerShell 3.0, I have to …
A forum question regarding retrieving WMI based data from multiple servers and displaying it as HTML was interesting. I would approach it like this `$servers = Get-Content -Path C:\scripts\servers.txt $data = @( ) foreach ( $server in $servers ) { $compdata = New-Object -TypeName PSObject -Property …
A question on the forum about a function had me thinking. The user had defined two parameters for the function and then used Read-Host to get the values. NO Much better way is to use an advanced function and make the parameters mandatory `function Getuserdetails { [ CmdletBinding ( ) ] param ( [ …
I"™ve written a series of articles on PowerShell workflows that are appearing on the Scripting Guy blog. The first two in the series have been published at: http://blogs.technet.com/b/heyscriptingguy/archive/2012/12/26/powershell-workflows-the-basics.aspx …
Microsoft course 10961, which will be a 5-day course on PowerShell 3.0, is officially in development! We received signoff on the outline this week, and I’ve submitted a first module for review. A big part of that review is making sure I’m using the template properly, as the authoring …
