Azure - Virtual Machine Agents and Extensions


Azure VM Agent
- Manages VM interaction with the Azure Fabric Controller
- Enables and executes Azure Virtual Machine Extensions
- Installed by default on windows VMs deployed from Azure Gallery
- Azure VM agent can be manually installed using a Windows Installer Package

Virtual Machine Extensions
- Small applications that provide post-deployment configuration and automation tasks on Azure virtual machines.
- Custom script extension allows any powershell script to be run on a VM
- Requires port 8443 outbound

Prerequisites
- Azure VM Agent
- Each VM extension may have its own set of prerequisites

Virtual Machine Extensions
Use Cases
- Apply Powershell Desired State Configurations to a Virtual Machine by using the DSC extension for windows
- Configure virtual machine monitoring by using the Microsoft monitoring Agent VM extension
- Configure an azure virtual machine by using Chef extension.
Image Source: Custom - Azure Virtual Machine Extension

Please click here for more information on Azure VM Agent

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