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When you try and sort IPv4 addresses via Sort-Object, this fails: PS> '10.1.2.3', '2.3.4.5', '1.2.3.4' | Sort-Object 1.2.3.4 10.1.2.3 2.3.4.5 Alphanumeric Sorting by Default This is no surprise because the data is of type “string”, so Sort-Object uses alphanumeric...

Reviewing the Test-OnlineFast Function In the previous tip we published a super-fast function called Test-OnlineFast, and this function was able to ping an entire IP segment in record time: PS> $iprange = 1..200 | ForEach-Object { "192.168.189.$_" } PS>...

Revisiting the Test-Online Fast Function In the previous tip series, we developed a new function called Test-OnlineFast that can ping multiple computers in record time. For some reason, the final version of this function did not include the pipeline support we...

Understanding Event Log Source Names When you write events to an event log using Write-EventLog, you must specify a valid source name. However, there is no easy way of finding out which source files are registered for a particular event log. This can also bite you...

Here is a line of code that often puzzles PowerShell users: Get-Service | Select-Object -ExcludeProperty Name Understanding the -ExcludeProperty Behavior When you use Select-Object, its -ExcludeProperty parameter does not seem to do anything. The truth is:...

Here is a fun PowerShell function called Convert-PowerShellToBatch. Provide it with the path to a PowerShell script, or pipe in the results from Get-ChildItem to batch-convert many scripts. How It Works: Batch File Generation The function creates a batch file per...

If you’d need to find out the SID for a user name, here is a useful chunk of code that does the job: $domain =…

Out-GridView always produces a table with one object per line: Get-Process -Id $pid | Out-GridView Occasionally, it would be more helpful to display the object…

Reviewing the ActiveDirectory Module Approach In the previous tip we explained how you can use the ActiveDirectory module and its cmdlets to find all domain controllers in your organization, or perform any other LDAP query. Leveraging Pure .NET Methods Here is the...

Managing Cached Credentials with PSCredentialManager In the previous tip we talked about a public module called PSCredentialManager that helps you manage cached credentials. Sometime, less is more, so when you look at the code you’ll soon discover that it is a...

Installing PowerShell Modules with Administrator Privileges When you’d like to install modules for all users from the PowerShellGet repository, you need Administrator privileges. On PowerShell Core on Linux, you can use the command “sudo” to enable Administrator...

Using Split() for Parsing Distinguished Names Distinguished names are strings, and strings contain powerful ways of parsing data. The most powerful yet simple approach is the Split() method. Extracting the Last Element with Split() Check out how easy it is to get back...

Using PowerShellGet to Install Scripts and Modules If you use the PowerShellGet module (which ships by default on Windows 10 and Server 2016), you can easily download and install shared PowerShell scripts and modules: PS> Find-Module -Tag Security Version Name...