1. C ONFIGURATION M ANAGEMENT ON W INDOWS S ERVER Desired State Configuration

2. D ECLARATIVE C ONFIGURATION M ANAGEMENT Provisioning Verification Iterative Development

3. D ESIRED S TATE C ONFIGURATION Platform Feature – Not a product API over Open Standards So why do you need to know this stuff? DSC can run standalone Be able to build composite configurations Be able to build custom resources

4. D ESIRED S TATE C ONFIGURATION Local Configuration Manager Configurations Resources

5. L OCAL C ONFIGURATION M ANAGER AllowModuleOverwrite CertificateID ConfigurationID ConfigurationMode ConfigurationModeFrequencyMins Credential DownloadManagerCustomData DownloadManagerName RebootNodeIfNeeded RefreshFrequencyMins RefreshMode

6. C ONFIGURATIONS Declarative-ish New keywords – configuration and node Dynamic keywords (from resources) Plus all the richness of PowerShell when you need it

7. L AB DETAILS User – localhost\administrator Password – Cascadia! Wireless network – DoinDSC Wireless password – Cascadia2014 Available machines 172.18.20.12 172.18.20.13 172.18.20.14 172.18.20.15 172.18.20.16 172.18.20.17

8. C ONFIGURATIONS Configuration MyLocalConfig { Node localhost { File SomeConfigFile {…} }

9. C ONFIGURATIONS Separate your environment from your data How? With ConfigurationData

10. C OMPOSITE C ONFIGURATIONS Configurations can use other configurations like resources. Configurations are just like functions... They can have parameters. Composite configurations are a way to logically group resources.

11. A PPLYING C ONFIGURATIONS Send-DscConfiguration

12. T ROUBLESHOOTING C ONFIGURATIONS cDscDiagnostics module

13. R ESOURCES WMI - based PowerShell - based

14. R ESOURCES WMI - Three methods GetTargetResource SetTargetResource TestTargetResource

15. R ESOURCES Powershell-based resources They reside in a module under a subfolder DscResources They are modules themselves with three functions Get-TargetResource Set-TargetResource Test-TargetResource

16. R ESOURCES Resources reside in modules on PSModulePath Defaults are $pshome/modules $env:programfiles/windowspowershell/modules

17. O THER S TUFF Pull Server SMB vs REST Workflow Source Control

18. D OCS AND R ESOURCES Github.com/powershellorg/ebooks Blogs.msdn.com/b/powershell Github.com/powershellorg/dsc Version Control By Example – ebook by Eric Sink