Top 24 Windows PowerShell commands for administrators


1. Navigate the Windows Registry like the file system — cd hkcu:

2. Search recursively for a certain string within files — dir –r | select string "searchforthis"

3. Find the five processes using the most memory — ps | sort –p ws | select –last 5

4. Cycle a service (stop, and then restart it) like DHCP — Restart-Service DHCP

5. List all items within a folder — Get-ChildItem – Force

6. Recurse over a series of directories or folders — Get-ChildItem –Force c:\directory –Recurse

7. Remove all files within a directory without being prompted for each —Remove-Item C:\tobedeleted –Recurse

8. Restart the current computer -- (Get-WmiObject -Class Win32_OperatingSystem -ComputerName .).Win32Shutdown(2)


9. Get information about the make and model of a computer — Get-WmiObject -Class Win32_ComputerSystem

10. Get information about the BIOS of the current computer — Get-WmiObject -Class Win32_BIOS -ComputerName .

11. >List installed hotfixes (QFEs, or Windows Update files) — Get-WmiObject -Class Win32_QuickFixEngineering -ComputerName .

12. Get the username of the person currently logged on to a computer —Get-WmiObject -Class Win32_ComputerSystem -Property UserName -ComputerName .


13. Find just the names of installed applications on the current computer —Get-WmiObject -Class Win32_Product -ComputerName . | Format-Wide -Column 1

14. Get IP addresses assigned to the current computer — Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter IPEnabled=TRUE -ComputerName . | Format-Table -Property IPAddress

15. Get a more detailed IP configuration report for the current machine —Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter IPEnabled=TRUE -ComputerName . | Select-Object -Property [a-z]* -ExcludeProperty IPX*,WINS*

16. To find network cards with DHCP enabled on the current computer —Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter "DHCPEnabled=true" -ComputerName .

17. Enable DHCP on all network adapters on the current computer — Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter IPEnabled=true -ComputerName . | ForEach-Object -Process {$_.EnableDHCP()}


Software management

18. Install an MSI package on a remote computer — (Get-WMIObject -ComputerName TARGETMACHINE -List | Where-Object -FilterScript {$_.Name -eq "Win32_Product"}).Install(\\MACHINEWHEREMSIRESIDES\path\package.msi)

19. Upgrade an installed application with an MSI-based application upgrade package — (Get-WmiObject -Class Win32_Product -ComputerName . -Filter "Name='name_of_app_to_be_upgraded'").Upgrade(\\MACHINEWHEREMSIRESIDES\path\upgrade_package.msi)

20. Remove an MSI package from the current computer — (Get-WmiObject -Class Win32_Product -Filter "Name='product_to_remove'" -ComputerName . ).Uninstall()


Machine management

21. Remotely shut down another machine after one minute — Start-Sleep 60; Restart-Computer –Force –ComputerName TARGETMACHINE

22. Add a printer — (New-Object -ComObject WScript.Network).AddWindowsPrinterConnection("\\printerserver\hplaser3")

23. Remove a printer — (New-Object -ComObject WScript.Network).RemovePrinterConnection("\\printerserver\hplaser3 ")

24. Run a script on a remote computer — invoke-command -computername machine1, machine2 -filepath c:\Script\script.ps1

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