AZ-104 Certification Notes

Chapter 9.8 - Automating Virtual Machine Configuration

Describing Configuration Automation

• Config Automation
  • Automates configuration management of virtual machines using an Automation account and PowerShell Desired State Configuration (DSC)
    • Supports Linux and Windows VMs
    • Built-in pull server
    • PowerShell DSC uses declarative syntax

Describing PowerShell DSC

• PowerShell DSC

Configuration MyDscConfiguration {
	Node "localhost" {
		WindowsFeature MyFeatureInstance {
			Ensure = 'Present'
			Name = 'Web-Server'
		}
	}
}

Key Takeaways

• Automation Account
  • Service for managing update configurations for VMs
• PowerShell DSC
  • PowerShell scripts that declare desired state of VMs
• Local Configuration Manager
  • Sends current config sate to pull server for evaluation