Find the Main Route Table of a VPC with PowerShell

In Amazon Web Services (AWS) Virtual Private Cloud (VPC), each VPC has a default route table, known as the “main” route table. If you want to identify the route table that is considered the “main” route table, it can be a little challenging. Using the Get-EC2RouteTable command, you might notice …

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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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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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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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Use PowerShell to Copy Files over WMI

Scenario Recently, a question came up on StackOverflow, about PowerShell, where someone wanted the ability to copy a file to a remote system via Windows Management Instrumentation (WMI). The question went on to clarify that the individual did not want to have any dependency on SMB (Server Message Block) shares, …

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Run PowerShell Natively on Linux and Docker!

Microsoft just made a huge splash today, by announcing that PowerShell is now available on Linux! I created a launch video that demonstrates how to get PowerShell Core running inside a Docker container! You can see the video over on Microsoft’s MSDN Channel 9. https://channel9.msdn.com/Shows/msftazure/Run-PowerShell-Natively-on-Linux-with-Docker Check if PowerShell is Running …

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Change Allocation Method for Azure Network Interface

Update Azure Network Interfaces with PowerShell

Have you already provisioned a Microsoft Azure Virtual Machine, with a dynamic private IP address? Do you want to change that dynamically provisioned IP address to a static IP address? If so, you’re in luck! This process is relatively easy using the Microsoft Azure PowerShell module. Install PowerShell 5.0 First, …

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Use PowerShell to Persist Environment Variables

Persistent Environment Variables PowerShell

In PowerShell, you can easily create environment variables using a few different methods. However, these are only scoped to the current PowerShell process, and not to any process running inside the user’s profile, or any process running on the system. Here are a few examples of methods that you can …

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A Story of PowerShell Quoting Rules

PowerShell Quoting Rules

This will be a fairly brief article that talks about single quotes vs. double quotes in the PowerShell automation language. Single Quotes In PowerShell, single quotes are commonly used to define string literals. If you want to include a single quote inside of a single-quoted string literal, then you simply …

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