WSL: move to another drive

โดยปกติ wsl จะถูกติดตั้งใน %USERPROFILE%\AppData\Local\Packages ถ้าจะย้ายไปไดรฟ์อื่นหรือย้ายไปที่อื่น เพราะ drive c เต็มหรืออยากจะ restore windows ทำได้โดย

1. สร้างไฟล์ WSL2_move.ps1 โดยมีเนื้อหา ( Download )

   <#
   PowerShell move Windows Subsystem for Linux 2 (WSL2) version 1.2
   #by pitt phunsanit
   https://pitt.plusmagi.com
   [email protected]
   
   replace $DistributionName with WSL Linux DistributionNames
   example Alpine, docker-desktop-data, docker-desktop, Ubuntu
   
   replace $folderPath with new path
   #>
   
   $DistributionName = 'Ubuntu'
   $folderPath = 'C:\Users\Shared\WSLs\'
   
   # common
   
   Clear-Host
   
   $commandString = ''
   
   #run and show message and exit batch
   function CommandOrExitBatch {
   	param(
   		[Parameter(Mandatory=$true)]
   		[string] $commandString
   	  )
   
   	Write-Host $commandString -f Yellow
   
   	try{
   		# Use strict mode within iex for better error handling
   		#Invoke-Expression -Command { $commandString } -UseStrict  -ErrorAction Stop
   		#Invoke-Expression -Command $commandString
   		Invoke-Expression -Command $commandString
   	} catch {
   		Write-Error 'Script failed with error: ' + $($_.Exception.Message)
   		# Assuming script sets exit code
   		Write-Warning 'Exit code: ' + $($_.Exception.InnerException.ExitCode)
   
   		Write-Output "This won't be executed"
   
   		exit 1
   	}
   
   }
   
   # process
   
   #list installed linux DistributionNames
   Write-Host 'list installed linux DistributionNames' -f Blue
   
   $commandString = 'wsl --list --verbose'
   
   CommandOrExitBatch -commandString $commandString
   
   #confirm
   Write-Host('WSL Linux DistributionNames is "' + $($DistributionName) + '"') -f Blue
   
   #archive type
   $archiveType = Read-Host "Select archive type (tar is default, q to quit): tar, vhd, q"
   switch ($archiveType) {
   	'tar' { Write-Host "Selected tar archive format." }
   	'vhd'  { Write-Host "Specifies the export distribution should be a .vhdx file (this is only supported using WSL 2)" }
   	'q' { Write-Host "Exiting..."; exit }  # Exit the batch script when q is chosen
   	default { Write-Host "Invalid selection. Defaulting to tar archive format." ; $archiveType = "tar" }
   }
   
   Write-Host('You have chosen: ' + $archiveType)
   
   if($archiveType -eq 'q')
   {
   	GOTO :eof  # Exit the subroutine
   }
   
   if($archiveType -eq 'vhd')
   {
   	$exportPath = [string]::Concat($folderPath, $DistributionName, '.vhdx')
   }
   else
   {
   	$exportPath = [string]::Concat($folderPath, $DistributionName, '.tar')
   }
   $importPath = [string]::Concat($folderPath, $DistributionName)
   
   #make folder
   #Check if Folder exists
   If(!(Test-Path -Path $exportPath))
   {
   	#PowerShell create directory
   	Write-Host('create directory "' + $($importPath) + '"') -f Blue
   
   	$commandString = 'New-Item -ItemType Directory -Path ' + $importPath
   
   	CommandOrExitBatch -commandString $commandString
   
   	Write-Host('New folder "' + $($importPath) + '" created successfully.') -b White -f DarkGreen
   }
   Else
   {
   	Write-Host('Folder "' + $($importPath) + '" already exists.') -f Yellow
   }
   
   #stop distribution name
   Write-Host 'stop DistributionName' -f Blue
   
   $commandString = 'wsl --terminate ' + $DistributionName
   
   CommandOrExitBatch -commandString $commandString
   
   #export DistributionName
   Write-Host 'export DistributionName' -f Blue
   
   if($archiveType -eq 'vhd')
   {
   	$commandString = 'wsl --export --vhd ' + $DistributionName + ' ' + $exportPath
   }
   else
   {
   	$commandString = 'wsl --export ' + $DistributionName + ' ' + $exportPath
   }
   
   CommandOrExitBatch -commandString $commandString
   
   #Unregister DistributionName
   Write-Host 'Unregister DistributionName' -f Blue
   
   $commandString = 'wsl --unregister ' + $DistributionName
   
   CommandOrExitBatch -commandString $commandString
   
   #import DistributionName
   Write-Host 'import DistributionName' -f Blue
   
   if($archiveType -eq 'vhd')
   {
   	$commandString = 'wsl --import --vhd ' + $DistributionName + ' ' + $importPath + ' ' + $exportPath
   }
   else {
   	$commandString = 'wsl --import ' + $DistributionName + ' ' + $importPath + ' ' + $exportPath
   }
   
   CommandOrExitBatch -commandString $commandString
   
   #update WSL
   Write-Host 'update WSL' -f Blue
   
   $commandString = 'wsl --update'
   
   CommandOrExitBatch -commandString $commandString
   
   #list installed linux DistributionNames
   Write-Host 'list installed linux DistributionNames' -f Blue
   
   $commandString = 'wsl --list --verbose'
   
   CommandOrExitBatch -commandString $commandString
   
   #summary
   Write-Host('Move WSL "' + $($DistributionName) + '" to "' + $($importPath) + '" successfully?') -b White -f DarkGreen
   
   #show file
   Write-Host 'show file' -f Blue
   
   $commandString = 'Get-ChildItem -Path ' + $folderPath
   
   CommandOrExitBatch -commandString $commandString
   
   #end of file
   

2. เรียกใช้โดยเปิด PowerShell โดยสิทธิ์ administrator
3. cd ไป folder ที่ save ไฟล์ WSL2_move.ps1 เช่น
   cd C:\Users\Shared\Gits\phunsanit\snippets\WSL
   แล้ว enter
4. run โดยใช้
   .\WSL2_move.ps1
   แล้ว enter
5. เปิด terminal ใหม่ จะเห็นว่ามี Ubuntu เพิ่มขึ้นมา

ดูเพิ่มเติม

• How-to: Installing WSL manually on a non-system drive
• How can I move my WSL distribution to a different drive or location?
• Installing WSL on another drive in Windows
• Moving WSL to Another Drive in Windows