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44 lines
1.2 KiB
44 lines
1.2 KiB
2 years ago
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Write-Host "Uninstalling Chef..."
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$app = Get-WmiObject -Class Win32_Product | Where-Object {
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$_.Name -match "Chef"
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}
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$app.Uninstall()
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Write-Host "Removing leftover Chef files..."
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Remove-Item "C:\Opscode\" -Recurse -Force -ErrorAction SilentlyContinue
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Remove-Item "C:\Chef\" -Recurse -Force -ErrorAction SilentlyContinue
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Write-Host "Cleaning Temp Files..."
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try {
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Takeown /d Y /R /f "C:\Windows\Temp\*"
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Icacls "C:\Windows\Temp\*" /GRANT:r administrators:F /T /c /q 2>&1
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Remove-Item "C:\Windows\Temp\*" -Recurse -Force -ErrorAction SilentlyContinue
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} catch { }
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Write-Host "Optimizing Drive"
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Optimize-Volume -DriveLetter C
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Write-Host "Wiping empty space on disk..."
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$FilePath="c:\zero.tmp"
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$Volume = Get-WmiObject win32_logicaldisk -filter "DeviceID='C:'"
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$ArraySize= 64kb
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$SpaceToLeave= $Volume.Size * 0.05
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$FileSize= $Volume.FreeSpace - $SpacetoLeave
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$ZeroArray= new-object byte[]($ArraySize)
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$Stream= [io.File]::OpenWrite($FilePath)
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try {
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$CurFileSize = 0
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while($CurFileSize -lt $FileSize) {
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$Stream.Write($ZeroArray,0, $ZeroArray.Length)
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$CurFileSize +=$ZeroArray.Length
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}
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}
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finally {
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if($Stream) {
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$Stream.Close()
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}
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}
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Remove-Item $FilePath
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