Get-ComputerDomain.ps1

<#
.SYNOPSIS
    This script uses WMI to get the name of a computer's domain then displays the name.
.DESCRIPTION
    This script is a re-write of an MSDN sample, using PowerShell. 
.NOTES
    File Name  : Get-ComputerDomain.ps1
    Author     : Thomas Lee - tfl@psp.co.uk
    Requires   : PowerShell Version 2.0
.LINK
    This script posted to:
	    http://www.pshscripts.blogspot.com
    MSDN sample posted tot:
	    http://msdn.microsoft.com/en-us/library/aa394586%28VS.85%29.aspx/
.EXAMPLE
    PSH [C:\foo]: .\Get-ComputerDomain.ps1
    System Name: WIN7
    Domain:      cookham.net
.EXAMPLE
    Psh[Cookham8]> .\Get-ComputerDomain.ps1 cookham2
    System Name: COOKHAM2
    Domain:      cookham.net
.PARAMETER comp
    The name of the computer whose domain name to be displayed. Default is localhost.
#>            
            
# Parameter block            
param (            
$comp = "."            
)            
            
# Get WMI Object            
$system = Get-WmiObject -class Win32_ComputerSystem -ComputerName $comp            
            
# Display results            
"System Name: {0}" -f $System.Name            
"Domain:      {0}" -f $System.Domain

Technorati Tags: PowerShell,WMI,Win32_ComputerSystem

Get-BrokenHardware.ps1

1. <# 
2. .SYNOPSIS 
3.     This script gets a list of non-working hardware using WMI. 
4. .DESCRIPTION 
5.     This script re-implements another TechNet Scripting 
6.     Gallery script that was written in VB (see  
7.     http://tinyurl.com/y4hmtbr).  
8.     This script first uses WMI to get system details, then 
9.     gets and displays hardware that has errored. 
10. .NOTES 
11.     File Name  : Get-BrokenHardware.ps1 
12.     Author     : Thomas Lee - tfl@psp.co.uk 
13.     Requires   : PowerShell Version 2.0 
14. .LINK 
15.     This script posted to: 
16.         http://www.pshscripts.blogspot.com 
17.     This script posted to TechNet Script Gallery at: 
18.         http://gallery.technet.microsoft.com/ScriptCenter/en-us/dbb678f4-b95b-45c3-bc8b-2ae2d052448e     
19. .EXAMPLE 
20.     PSH [C:\foo]: Get-BrokenHardware.ps1 
21.     Computer Details: 
22.     Manufacturer: Dell Inc. 
23.     Model:        Precision WorkStation T7400 
24.     Service Tag:  6Y84C3J 
25.  
26.     Hardware that's not working list 
27.     Description:  WD My Book Device USB Device 
28.     Device ID:    USBSTOR\OTHER&VEN_WD&PROD_MY_BOOK_DEVICE&REV_1010\7&2A4E07C&0&575532513130303732383932&1 
29.     Error ID:     28 
30. #> 
31.  
32. # Display Computer details 
33. "Computer Details:" 
34. $comp = gwmi Win32_ComputerSystem 
35. "Manufacturer: {0}" -f $comp.Manufacturer 
36. "Model:        {0}" -f $comp.Model 
37. $computer2 = Get-WmiObject Win32_ComputerSystemProduct 
38. "Service Tag:  {0}" -f $computer2.IdentifyingNumber 
39. "" 
40.  
41. #Get hardware that is errored 
42. "Hardware that's not working list"  
43. $broken = Get-WmiObject Win32_PnPEntity | where {$_.ConfigManagerErrorCode -ne 0} 
44.  
45. #Display broken hardware 
46. foreach ($obj in $broken){   
47. "Description:  {0}" -f  $obj.Description 
48. "Device ID:    {0}" -f  $obj.DeviceID 
49. "Error ID:     {0}" -f  $obj.ConfigManagerErrorCode 
50. "" 
51. } 

Technorati Tags: PowerShell,Scripts,WMI,Win32_ComputerSystem,Win32_ComputerSystemProduct,Win32_PnPEntity

Get-UpTime.ps1

1. <# 
2. .SYNOPSIS 
3.     Demonstrates uptime using WMI  
4. .DESCRIPTION 
5.     This script used Win32_ComputerSystem to determine how long your system 
6.     has been running. This is a rewrite/improvement of sample 3 at 
7.     http://msdn.microsoft.com/en-us/library/aa394591(VS.85).aspx.  
8. .NOTES 
9.     File Name : Get-UpTime.ps1 
10.     Author : Thomas Lee - tfl@psp.co.uk 
11.     Requires : PowerShell V2 CTP3 
12. .LINK 
13.     Script Posted to:  
14.     http://www.pshscripts.blogspot.com 
15.     Original sample posted at: 
16.     http://msdn.microsoft.com/en-us/library/aa394591(VS.85).aspx 
17. .EXAMPLE 
18.     PS c:\foo> .\Get-UpTime.Ps1 
19.     System Up for: 1 days, 8 hours, 40.781 minutes 
20.  
21. #> 
22.  
23. ## 
24. #  Start of script 
25. ## 
26.  
27. # Helper Function - convert WMI date to TimeDate object 
28. function WMIDateStringToDate($Bootup) { 
29.     [System.Management.ManagementDateTimeconverter]::ToDateTime($Bootup) 
30. } 
31.  
32. # Main script 
33. $Computer = "." # adjust as needed 
34. $computers = Get-WMIObject -class Win32_OperatingSystem -computer $computer 
35.  
36. foreach ($system in $computers) { 
37.     $Bootup = $system.LastBootUpTime 
38.     $LastBootUpTime = WMIDateStringToDate($Bootup) 
39.     $now = Get-Date 
40.     $Uptime = $now - $lastBootUpTime 
41.     $d = $Uptime.Days 
42.     $h = $Uptime.Hours 
43.     $m = $uptime.Minutes 
44.     $ms= $uptime.Milliseconds 
45.     "System Up for: {0} days, {1} hours, {2}.{3} minutes" -f $d,$h,$m,$ms 
46. }  
47. # End script 

Technorati tags: WMI, PowerShell Scripts, Win32_ComputerSystem, System.Management.WMIStringToDate

Get-PhysicalRam.ps1

# Get-PhysicalRAM.ps1
# Sample using PowerShell
# 3rd sample from http://msdn.microsoft.com/en-us/library/aa394587
# Thomas Lee

$mem = Get-WmiObject -Class Win32_ComputerSystem

# Display memory
"This system has {0} MB Free Memory" -f $($mem.TotalPhysicalMemory/1mb)

This script produces the following output:

PS C:\foo> .\Get-PhysicalRAM
This system has 8188.7421875 MB Free Memory