[Video] Improving Randomness in the Get-Random PowerShell Command

Although it may seem like the Get-Random command in PowerShell provides random data, it actually returns data that is more predictable than you think. If you’re looking to generate some truly “interesting” data for your project, then you’ll want a better approach. In this video, we’ll explore the limited randomness …

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Build Docker Container for PowerShell on Raspberry Pi

If you want to run PowerShell applications on your Raspberry Pi, you can run them inside a Docker container. Keep in mind that you can’t use Docker images that were built for the Intel x86 platform, because the Raspberry Pi uses an ARM processor. You can build your own Docker …

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Initialize a Byte Array in PowerShell

Sometimes you’ll need to initialize a new buffer as an array of bytes. For example, if you want to generate random data using the NextBytes() method on the System.Random class,  you need to pass in a byte array buffer for the method to write to. Creating a byte array in …

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Keep AWS PowerShell Module Updated on Mac OS

Are you on Mac OS and need to keep your AWS PowerShell module up-to-date? As you’ve probably noticed, there are frequently new versions of the AWS PowerShell module being released, to keep pace with new services and service features being added to Amazon Web Services (AWS) cloud. Updating PowerShell modules …

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PowerShell Intellisense: ScriptBlock Handler Parameters

I keep forgetting the names of the parameters that are passed into the ScriptBlock handlers for PowerShell Intellisense (aka. tab-completion / auto-completion). Hence, I’m posting the list of parameters here, along with a simple example. $commandName – the name of the PowerShell command that Intellisense was invoked for. $parameterName – …

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CloudFormation YAML: EC2 Instance with PowerShell UserData

Someone recently was asking for an AWS CloudFormation template, in YAML format as opposed to JSON, that would deploy an EC2 instance running Windows Server, and supported a PowerShell-based UserData script. In response to this, I created the YAML snippet below. Note that the Amazon Machine Image (AMI) ID is …

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Restore Default PowerShell Gallery Repository

If you’ve accidentally deleted the PowerShell Gallery (PSGallery) repository from your system, you can restore it using the following command. Register-PSRepository -Default In fact, if you try to re-register the PowerShell Gallery using the same method that you’d register a custom repository (see below) … $Repository = @{ Name = …

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Retrieve AWS AccountID using PowerShell

As an AWS customer writing programs against AWS service APIs, using the AWS Tools for PowerShell, you’ll often need to reference your AWS AccountID. For example, some service API calls require passing in an Amazon Resource Name (ARN), which contains your AWS AccountID as one of its parts. Much of …

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