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PowerShell scripting and code snippets, examples and info for Windows Server administrators. Might contain some AppCmd and DISM as well.

Install Windows Server Servicing Stack Updates (SSU) using PowerShell

You can install Servicing Stack Updates (SSU) for Windows Server 2012R2, 2016 and Windows Server 2019 using PowerShell, without downtime. Because they must be installed prior to your normal Windows Server security updates, you can install them anytime you want to during the day. Here’s a small PowerShell example to do so.

How to uninstall and remove Adobe Flash Player in Windows Server

Ever wondered why Windows Server Update Services (WSUS) offers Flash updates for Windows Server? Adobe Flash Player is installed on Windows Server 2016 / 2019 if you have the Remote Desktop Session Host (RDSH) role installed. Yikes! I can imagine you want to delete Adobe Flash Player without deleting the RDSH role, and here is how.

Working with file attributes in PowerShell

How to use the Windows PowerShell cmdlet Get-ItemProperty to work with file attributes.

Working with PowerShell’s Get-ItemProperty to get file attributes may boost your work productivity. It’s often easier to getting things done if you have a more generic way of doing something. Here is how to use Get-Item and Get-ItemProperty in PowerShell to perform and streamline day to day tasks like installing or updating software based on file versions. I also address changing timestamps on files in short.

PowerShell blacklist check script: find an IP address’ blacklist status & reputation

Here’s a blacklist check script written in PowerShell. You can use this to lookup an IP address in various blacklists (DNSBL, RBL). Such a check is a great indicator for an IP address’ reputation. Basically this PowerShell blacklist checker is a port of my Bash script to check an IP address blacklist status in Linux.

Get current number of FTP client connections (NonAnonymous) with PowerShell and Get-Counter

Easy wp_options table optimization for WordPress

Ever wanted to know the current number of active FTP client connections on your Windows Server IIS FTP Service? You can get this statistic using PowerShell, the Get-Counter cmdlet and the Microsoft FTP Service Current NonAnonymous Users performance counter.

Simple PowerShell introduction for Windows Server administration, automation and scripting

Windows PowerShell (“PS” for short) is an important tool in Windows Server for administrators. You can use PowerShell for Windows Server administration, software installation, automation, and shell/command-line scripting. Here is a small and simple introduction to Windows PowerShell.

Get Hyper-V guest serial number with PowerShell

How to retrieve the Hyper-V virtual machine’s serial number with PowerShell? Sometimes you need to have the serial number of a Hyper-V virtual machine (VM, or guest). We, for instance, use this serial number in our automatic, unattended deployment of the guest operating system. But then you need to know how to find this serial number…