Get-GuiMode.ps1

1. <# 
2. .SYNOPSIS 
3.     This script gets the current GUI mode of a Windows 
4.     Server 2012 system, including current display resolution. 
5. .DESCRIPTION 
6.     This script creates a custom object, then populates it 
7.     with the current mode (Server Core, MinShell, Full Shell) 
8.     and with the current resolution (resolution plus h/w). The 
9.     display information object is then returned. 
10. .NOTES 
11.     File Name  : Get-GuiMode.ps1 
12.     Author     : Thomas Lee - tfl@psp.co.uk 
13.     Requires   : PowerShell Version 3.0  
14.                  Windows Server 2012 
15. .LINK 
16.     This script posted to: 
17.         http://www.pshscripts.blogspot.com 
18. .EXAMPLE 
19.     Psh>  ./Get-GuiMode 
20.     ComputerName : S1 
21.     ServerCore   : True 
22.     FullServer   : False 
23.     MinShell     : False 
24.     Resolution   : 1024x768 
25.     Height       : 768 
26.     Width        : 1024 
27.  
28. #> 
29.  
30.  
31. Function Get-GUIMode { 
32.  
33. # Create a new object to return 
34. $guimode = new-object psobject 
35.  
36. # Add ComputerName to the object 
37. $guimode |Add-Member -MemberType NoteProperty -Name ComputerName -Value $(hostname) 
38.  
39.  
40. # now determine what's installed 
41. $sgs  = (Get-WindowsFeature Server-Gui-Shell).Installed 
42. $mif  = (Get-WindowsFeature Server-Gui-Mgmt-Infra).Installed 
43.  
44. If (!$sgs -and !$mif)  # True Server Core  
45.   { 
46.     $guimode |Add-Member -MemberType NoteProperty -Name ServerCore -Value $True 
47.     $guimode |Add-Member -MemberType NoteProperty -Name FullServer -Value $False 
48.     $guimode |Add-Member -MemberType NoteProperty -Name MinShell   -Value $False 
49.   } 
50. Elseif ($sgs -and !$mif) # MinShell 
51.   { 
52.     $guimode |Add-Member -MemberType NoteProperty -Name ServerCore -Value $False 
53.     $guimode |Add-Member -MemberType NoteProperty -Name FullServer -Value $False 
54.     $guimode |Add-Member -MemberType NoteProperty -Name MinShell   -Value $True 
55.   } 
56. Elseif ($sgs -and $mif) 
57.   { 
58.     $guimode |Add-Member -MemberType NoteProperty -Name ServerCore -Value $False 
59.     $guimode |Add-Member -MemberType NoteProperty -Name FullServer -Value $True 
60.     $guimode |Add-Member -MemberType NoteProperty -Name MinShell   -Value $False 
61.   } 
62.  
63. # now resolution 
64. If ($rx=get-command Get-DisplayResolution) { 
65.   $res  = (Get-DisplayResolution)[0] 
66.   $reslen = $res.length 
67.   $r = [string]"" 
68.   for ($i = 0; $i -lt $reslen; $i++) 
69.    {  
70.      If ($res.substring($i,1) -ne "") { $r += $res.substring($i,1) } 
71.    } 
72.  
73.     
74.   $guimode |Add-Member -MemberType NoteProperty -Name Resolution -Value $r 
75.  
76.   $h = $r.split("x")[1]  # height 
77.   $w = $r.split("x")[0]  #  
78.    
79.   $guimode |Add-Member -MemberType NoteProperty -Name Height -Value $h 
80.   $guimode |Add-Member -MemberType NoteProperty -Name Width  -Value $w 
81. } 
82.  
83. # Ok - squirt out what we have! 
84. $guimode 
85. } 
86.  
87. # Here Test it out 
88. Get-GUiMode 

Technorati Tags: Server 2012,Server core,PowerShell V3

Set-PowerShellAsShell

1. <# 
2. .Synopsis 
3.    Creates a function to set PowerShell as GUI in Server 2012 
4. .DESCRIPTION 
5.    The function in this script sets PowerShell as the  
6.    default shell in Server 2012. When the server is rebooted, 
7.    it runs PowerShell.exe by default. When PowerShell starts, it 
8.    displays the $PSVersionTable variable. 
9. .NOTES 
10.     File Name   : Set-PowerShellAsGui.ps1 
11.     Author      : Thomas Lee - tfl@psp.co.uk 
12.     Requires    : Server 2012 
13. .LINK 
14.     This script posted to: 
15.         http://www.pshscripts.blogspot.com   
16. .EXAMPLE 
17.     Left as an exercise to the reader 
18. #> 
19.  
20.  
21. Function Set-PowerShellAsShell { 
22.  
23. [CmdletBinding()] 
24. Param ( 
25. [switch] $Reboot = $false 
26. ) 
27.  
28. # Create Registry Path variable 
29. $RegPath =  "Microsoft.PowerShell.Core\Registry::"  
30. $RegPath += "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\" 
31. $RegPath += "Windows NT\CurrentVersion\winlogon" 
32.  
33. # Create splatted parameter hash table 
34. $parm  =  @{Path    = $regpath}           # key 
35. $parm +=  @{Name    = 'Shell'}            # value name 
36. $parm +=  @{Value   = 'PowerShell.exe –NoExit 
               -Command "$psversiontable"'}   # value’s value 
37.  
38. # Set Registry value entry 
39. Set-ItemProperty @parm  
40.  
41. # And restart to see PowerShell 
42. if ($Reboot) {Restart-Computer -confirm} 
43. } 

Technorati Tags: Server Core,Server 2012,PowerShell,Shell,PowerShell as Server Core Shell

Disable-Gui.ps1

1. <# 
2. .SYNOPSIS 
3.     This script defines a function, Disable-Gui which 
4.     disables the GUI on Windows Server 2012 Server Core 
5. .DESCRIPTION 
6.     The Disable-GUI function enables the GUI in Server 2012 
7.     Server Core by Removing two windows features. The 
8.     script add a Shell setting to ensure that when 
9.     Server 2012 restarts, it starts with PowerShell.  
10. .NOTES 
11.     File Name  : Disable-GUI.ps1 
12.     Author     : Thomas Lee - tfl@psp.co.uk 
13.     Requires   : PowerShell Version 3.0 and Windows Server 2012. 
14. .LINK 
15.     This script posted to: 
16.         http://www.pshscripts.blogspot.com 
17. .EXAMPLE 
18.     Psh> Disable-GUI -Verbose 
19.     Removing Windows Feature: Server-GUI-Shell, Server-Gui-Mgmt-Infra 
20.     Setting Shell Registry setting to PowerShell 
21.     Restarting the computer - please be patient 
22.     < after reboot, full GUI is added > 
23. #> 
24.  
25. Function Disable-GUI { 
26.  
27. # No parameters - but maybe later 
28. # Turn on CmdletBinding to enable -Verbose 
29.  
30. [Cmdletbinding()] 
31. Param() 
32.  
33. # Remove features from main Server core and downgrade GUI to Server Core 
34. Write-Verbose "Removing Windows Feature: Server-GUI-Shell, Server-Gui-Mgmt-Infra" 
35. Uninstall-WindowsFeature Server-Gui-Shell, Server-Gui-Mgmt-Infra 
36.  
37. # Add in PowerShell as the shell 
38. Write-Verbose "Setting Shell Registry setting to PowerShell" 
39. $RegPath = "Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\winlogon"  
40. Set-ItemProperty -Path $RegPath -Name Shell -Value 'PowerShell.exe -noExit -Command "$psversiontable"'  -Force 
41.  
42. # Now restart the system 
43. Write-Verbose "Restarting the computer - please be patient" 
44. Restart-Computer 
45. } 

Technorati Tags: PowerShell v3,Server Core,GUI,Server 2012

Enable-GUI.ps1

1. <#
2. .SYNOPSIS
3. This script defines a function, Enable-Gui which
4. enables the GUI on Windows Server 2012 Server Core
5. .DESCRIPTION
6. The Enable-GUI function enables the Gui in Server 2012
7. Server Core by adding in two windows features. The
8. script removes any Shell setting to ensure that when
9. Server 2012 restarts, it starts with the full Desktop.
10. .NOTES
11. File Name : Enable-GUI.ps1
12. Author : Thomas Lee - tfl@psp.co.uk
13. Requires : PowerShell Version 3.0 and Windows Server 2012.
14. .LINK
15. This script posted to:
16. http://www.pshscripts.blogspot.com
17. .EXAMPLE
18. Psh> Enable-GUI -Verbose
19. Installing Windows Feature: Server-GUI-Shell, Server-Gui-Mgmt-Infra
20. Removing Shell Registry Setting
21. Finished installation, now rebooting
22. < after reboot, full GUI is added >
23. #>
25. Function Enable-GUI {
27. # No parameters - but maybe later
28. # Turn on CmdletBinding to enable -Verbose
30. [Cmdletbinding()]
31. Param()
33. # Install the GUI
34. Write-Verbose "Installing Windows Feature: Server-GUI-Shell, Server-Gui-Mgmt-Infra"
35. Install-WindowsFeature Server-Gui-Shell, Server-Gui-Mgmt-Infra -Source d:\sources\sxs
37. # Remove the Setting For Shell to force back to CMD.EXE
38. Write-Verbose 'Removing Shell Registry Setting'
39. $RegPath = "Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\winlogon"
40. Remove-ItemProperty -Confirm -Path $RegPath -Name Shell -ErrorAction SilentlyContinue
42. # And reboot the system
43. Write-Verbose "Finished installation, now rebooting"
44. Restart-Computer
45. }

Technorati Tags: Server Core,Server 2012,PowerShell V3

Manage-ServerCoreGui.ps1

1. <# 
2. .Synopsis 
3.    This file contains two simple functions to manage the GUI
4.    in Server Core Windows Server 2012. 
5. .DESCRIPTION 
6.    There are two functions: Enable-ServerCoreGui that enables
7.    the GUI in a server core installation. Diable-ServerCoreGuI
8.    disables the GUI and returns the installation to
9.    traditional Server Core. 
10.  
11.    Enable-ServerCoreGui also checks to see if some or all
12.    parts are already installed andwarns accordingly. 
13. .EXAMPLE 
14.    c:\foo> Enable-ServerCoreGui 
15.     
16.    This enables the GUI and reboots the Server into FUll GUI mode. 
17.  
18. .EXAMPLE 
19.    c:\foo> Disable-ServerCoreGui 
20.     
21.    This disables the GUI and reboots the Server back to Server Core mode. 
22. #> 
23.  
24.  
25. Function Enable-ServerCoreGui { 
26.  
27. #    Import the module 
28. Import-Module -Name DISM -ErrorAction Stop 
29.  
30. # is it already enabled?? 
31. if ((Get-WindowsOptionalfeature -online -Feature ServerCore-FullServer).state -eq 'Enabled'){ 
32.   "Servercore-FullServer is already enabled" 
33. } 
34.  
35. if ((Get-WindowsOptionalfeature -online -Feature Server-GUI-Shell).state -eq 'Enabled'){ 
36.   "Server-GUI Shell is already enabled" 
37. } 
38.  
39. if ((Get-WindowsOptionalfeature -online -Feature Server-Gui-Mgmt).state -eq 'Enabled'){ 
40.   "Server-Gui-Mgmt is already enabled" 
41. } 
42.  
43. # Enable the features needed to add the GUI 
44. Enable-WindowsOptionalFeature –Online -NoRestart ` 
45.       -Featurename ServerCore-FullServer, Server-Gui-Shell,Server-Gui-Mgmt 
46.  
47. # So Restart the computer 
48. Restart-computer 
49. } 
50.  
51. Function Disable-ServerCoreGui { 
52.  
53. #    Import the module 
54. Import-Module -Name DISM -ErrorAction Stop 
55.  
56. # Disable all the features needed to add the GUI 
57. # if any are already disabled, oh well - they're still disabled. 
58. Disable-WindowsOptionalFeature –Online -NoRestart ` 
59.       -Featurename ServerCore-FullServer, Server-Gui-Shell,Server-Gui-Mgmt 
60.  
61. # Finally Restart the computer 
62. Restart-computer 
63. } 

Technorati Tags: PowerShell,Server 2012,Server Core,GUI