Presented at Central Ohio .NET Developers Group on May 23, 2013

1. UNLEASHING THE POWER:
A LAP AROUND POWERSHELL 3.0
SARAH DUTKIEWICZ
CLEVELAND TECH CONSULTING
SARAH@CLETECHCONSULTING.COM

2. AGENDA
• System Requirements
• Overview of New & Improved Features
• Resources
• BONUS Material : Cool PowerShell Tools for Devs

3. WINDOWS MANAGEMENT FRAMEWORK 3.0
• Includes:
• Windows PowerShell 3.0
• WMI
• WinRM
• Management OData IIS Extension
• Server Manager CIM Provider
Download Here

4. SYSTEM REQUIREMENTS
• Windows 8, Windows Server 2012 – built-in
• Windows 7 Service Pack 1
• Windows Server 2008 R2 SP1
• Windows Server 2008 Service Pack 2

5. INSTALLATION NOTES
• Requires Microsoft .NET Framework 4.0
• The Integrated Scripting Environment (ISE) is an optional feature for server
SKUs.
• For Windows Server 2008, the previous version of Windows Management
Framework – which contains PowerShell 2.0 – must be installed first.

6. GETTING STARTED – CONSOLE/VERSION

7. BACKWARDS COMPATIBILITY
• Windows PowerShell 3.0 is backward-compatible.
• 2.0 syntax and functionality that were designed for 2.0 should work in 3.0 without
changes.

8. POWERSHELL WEB ACCESS
ACCESS YOUR COMPANY’S COMPUTERS VIA POWERSHELL IN A WEB BROWSER

9. POWERSHELL WEB ACCESS - LIMITATIONS
• Double-hop issues when connecting to a second computer
• Same limitations as a remote Windows PowerShell session
• Commands that call Windows console APIs don’t work.
• Anything that displays a GUI doesn’t work.
• Tab Completion doesn’t work in NoLanguage sessions.
• Allows only one remote connection per browser session

10. POWERSHELL WEB ACCESS – MORE LIMITATIONS
• Persistent Windows PowerShell sessions – need to use –Job for long running tasks and
to allow disconnection rather than log off
• No nested progress displays
• Input colors cannot be modified
• Function keys may not work in the PowerShell app if they are reserved for browser
functionality
• More notes at: Use the Web-based PowerShell Console

11. WINDOWS POWERSHELL WEB ACCESS
• Requires:
• Windows Server 2012
• IIS
• .NET Framework 4.5
• PowerShell 3.0

12. POWERSHELL WEB ACCESS – BROWSER SUPPORT
• Internet Explorer (8 or higher)
• Firefox (10.0.2)
• Chrome for Windows (17.0.963.56m)
• Safari for Windows (5.1.2)
• Safari for Mac (5.1.2)

13. POWERSHELL WEB ACCESS – MOBILE SUPPORT
• Minimally tested on:
• Windows Phone 7 and 7.5
• Google Android WebKit 3.1 Browser Android 2.2.1 (Kernel 2.6)
• Apple Safari for iPhone operating system 5.0.1
• Apple Safari for iPad 2 operating system 5.0.1

14. POWERSHELL WEB ACCESS – BROWSER
REQUIREMENTS
• Allow cookies from the Windows PowerShell Web Access gateway website.
• Be able to open and read HTTPS pages.
• Open and run websites that use JavaScript.

15. POWERSHELL WEB ACCESS - INSTALLATION
• Via Features/Roles wizard through the Server Manager
• Through PowerShell cmdlets
• Detailed instructions available here: http://technet.microsoft.com/en-
us/library/hh831611.aspx#BKMK_install

16. POWERSHELL WEB ACCESS – SET UP THE GATEWAY
• Use Install-PswaWebApplication to configure Windows PowerShell
Web Access.
• Use the –UseTestCertificate parameter only for internal testing

17. POWERSHELL WEB ACCESS – SETTING UP THE
GATEWAY

18. POWERSHELL WEB ACCESS – CONFIGURE
SECURITY
• Use cmdlets to help specify what users have access to what.
• For demo purposes, we’re using:
Add-PswaAuthorizationRule –UserName * -ComputerName * -ConfigurationName *

19. POWERSHELL WEB ACCESS – LOG IN

20. POWERSHELL WEB ACCESS - VERSION

21. NEW FEATURES & IMPROVEMENTS
EASIER SYNTAX, BETTER PERFORMANCE, MORE ROBUSTNESS, AND MORE!

22. IMPROVED WHERE AND FOREACH SYNTAX
• Example: Get all processes where CPU is greater than 100
2.0:
Get-Process | where { $_.CPU –gt 100 }
3.0:
Get-Process | where CPU –gt 100

23. IMPROVED WHERE AND FOREACH SYNTAX
• Example: Find all available “Microsoft.*” available modules and split their names
2.0:
Get-Module –ListAvailable | Where { $_.Name –like “Microsoft.*” } | Foreach {
$_.Name.Split(“.”) }
3.0:
Get-Module –ListAvailable | Where Name –like “Microsoft.*” | Foreach Split “.”

24. MICROSOFT .NET FRAMEWORK 4.0 SUPPORT
• Application Compatibility and Deployment
• Managed Extensibility Framework
• Parallel Computing
• Networking
• Windows Communication Foundation
• Windows Workflow Foundation

25. SESSION IMPROVEMENTS – DISCONNECTED
SESSIONS
• Persistent sessions saved on remote computer
• No longer session-dependent
• New cmdlets: Connect-PSSession, Disconnect-PSSession, and Receive-
PSSession
• New parameter InDisconnectedSession
• Both client and server need to be running Windows PowerShell 3.0

26. HELP IMPROVEMENTS – UPDATABLE HELP
• Updatable Help System
• By default, help files for a module update no more than once a day
• Windows 8 and Windows Server 2012 do not have help files as part of their
installations
Update-Help
Save-Help
Supporting Updatable Help

27. HELP IMPROVEMENTS – ENHANCED ONLINE HELP
• Enhanced Online Help
• Works well even when the help files aren’t installed on the computer
Get-Help {cmdlet} –Online
Supporting Online Help

28. SCHEDULED JOBS & TASK SCHEDULER
INTEGRATION
• Windows PowerShell jobs can now be background jobs managed by Task
Scheduler.
• PowerShell scheduled jobs run asynchronously.
• Scheduled jobs can be one-time or recurrent.
• New cmdlet set for scheduled jobs
• See more at about_Scheduled_Jobs

29. LANGUAGE ENHANCEMENTS – NEW CORE
CMDLETS
• Full list can be seen here: http://technet.microsoft.com/en-
us/library/hh857339.aspx#BKMK_CHAR
• Highlights include:
• ConvertTo-Json & ConvertFrom-Json
• Disable-ScheduledJob & Enable-ScheduledJob
• Invoke-RestMethod & Invoke-WebRequest

30. IMPROVEMENTS TO EXISTING FUNCTIONALITY
• Simplified syntax and new parameters include:
• Get-ChildItem
• Get-Command
• Get-Content
• Get-History
• Select-Object
• Select-String
• Split-Path
• Start-Process
• Test-Connection

31. IMPROVEMENTS TO EXISTING FUNCTIONALITY
• Certificate provider supports SSL certificates for web hosting
• Support for credential
• Persistent network drives
• Alternate data streams in file system drives

32. ENHANCED TAB COMPLETION
• Tab completion was written on a new parser
• Better midline tab completion
• Now completes:
• Cmdlets
• Parameters
• Parameter Values
• Enumerations
• .NET Framework types
• COM objects
• Hidden directories
• More!

33. MODULE AUTO-LOADING
• Get-Command now looks at all installed modules rather than just the imported
ones.
• Automatic import is triggered by Get-Command, Get-Help, or running a cmdlet
from the module
• This auto-loading can be controlled with the
$PSModuleAutoLoadingPreference preference variable

34. MODULE EXPERIENCE IMPROVEMENTS
• Module logging for individual modules (LogPipelineExecutionDetails) and the new "Turn on Module Logging"
Group Policy setting
• Extended module objects that expose the values from the module manifest
• New ExportedCommands property of modules, including nested modules, that combines commands of all
types
• Improved discovery of available (un-imported) modules, including allowing the Path and ListAvailable
parameters in the same command
• New DefaultCommandPrefix key in module manifests that avoids name conflicts without changing module
code.

35. MODULE EXPERIENCE IMPROVEMENTS
• Improved module requirements, including fully-qualified required modules with
version and GUID and automatic importing of required modules
• Quieter, streamlined operation of the New-ModuleManifest cmdlet.
• New Module parameter for #Requires
• Improved Import-Module cmdlet with both MinimumVersion and
RequiredVersion parameters.

36. SIMPLIFIED COMMAND DISCOVERY
• Get-Command displays all commands from all installed modules.
• Due to auto-loading, a module will automatically be loaded once a command
from that module is executed.
• Show-Command also helps beginners learn commands.

37. IMPROVED LOGGING
• Supports Event Tracing in Windows (ETW) logs
• “Turn on Module Logging” now included as a Group Policy setting.
• Parameter values appear in log details in the log properties.

38. FORMATTING & OUTPUT IMPROVEMENTS
• Output redirection for all streams
• Enhanced Update-Type cmdlet that adds types dynamically without ps1xml format
files
• Word wrap in output
• Default formatting of custom objects
• PSCustomObject type
• Support for discovering method overloads

39. SPECIAL CHARACTER HANDLING IMPROVEMENTS
• The LiteralPath parameter appears now on most cmdlets that use Path –
including Update-Help and Save-Help
• Improved handling of backticks and square brackets in file names and paths

40. NEW CMDLET AND HOSTING APIS
• Public AST APIs
• APIs for
• Pipeline paging
• Nested pipelines
• Runspace pools tab completion
• Windows RT
• Obsolete cmdlet attribute
• Verb and Noun properties of the FunctionInfo object

41. PERFORMANCE IMPROVEMENTS
• New language parser built on the Dynamic Runtime Language in .NET 4.0
• Runtime script compilation
• Engine reliability improvements
• Changes to the Get-ChildItem algorithm to enhance performance, especially
with searching network shares

42. NEW FEATURES IN WINDOWS POWERSHELL ISE
• Snippets
• Includes advanced functions and their parameters and for Do, While, If, Switch, and
ForEach keywords.
• Make your own snippets and import snippets from modules.
• Three cmdlets: New-IseSnippet, Get-IseSnippet and Import-IseSnippet.
• Brace-matching, error indicators, code outlining
• Options Window

43. NEW FEATURES IN WINDOWS POWERSHELL ISE
• Console pane
• Command pane + Output pane
• Behaves similar to console
• Intellisense
• Syntax highlighting
• Snippets
• Brace-matching
• Error indicators
• Show Command window
• Intellisense

44. NEW FEATURES IN WINDOWS POWERSHELL ISE
• Update Windows PowerShell Help from the Help menu
• Help Window- displays help from the help files on the computer, complementing the
Updatable Help feature.
• Auto-save
• Recent items list
• Block copy
• And more!

45. MICROSOFT SCRIPT EXPLORER

46. MICROSOFT SCRIPT EXPLORER
• Was a great way to search for scripts as guides – similar to the All-In-One
Code Framework app for developers
• Unfortunately, not well-adopted, so the service will be turned off effective
June 14, 2013
• What to do with this being discontinued? See the PowerShell blog post:
Microsoft Script Explorer: Next Steps

47. POWERSHELL WEB SERVICE

48. WINDOWS POWERSHELL WEB SERVICE
• Enables an administrator to expose a set of PowerShell cmdlets as a RESTful
endpoint via OData
• Allows cmdlets to be invoked by any platform that can work with OData
feeds – Windows and non-Windows
• Windows PowerShell role-based OData Web Service sample
• Windows PowerShell basic OData Web Service sample

49. SETTING UP WINDOWS POWERSHELL WEB
SERVICE – INSTALL SCRIPT

50. SETTING UP WINDOWS POWERSHELL WEB
SERVICE – SETUP THE ENDPOINT

51. DEMO OF POWERSHELL WEB SERVICE
• More on PowerShell cmdlets invocation through Management OData using
WCF client

52. RESOURCES
• Windows PowerShell Script Center
• Windows PowerShell Language Specification Version 3.0
• Windows PowerShell for Developers
• Windows PowerShell 3.0 SDK Sample Pack
• Windows PowerShell Reference

53. BONUS MATERIAL : COOL POWERSHELL TOOLS FOR DEVS
• StudioShell – exposes Visual Studio’s extensibility points in a simple manner
• SeeShell – Data Visualization for PowerShell
• Psake – a build automation tool
• OData PowerShell Provider – mount OData feeds as drives in PowerShell
• PoShRabbit – exposes RabbitMQ to PowerShell