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WSL2 Compacter 🗜

A small script for Windows 10 Home users to compact their WSL2 disks

Inspired by this post on GitHub about WSL2 filling hard disks. This script will:

  • Find your vhdx file(s) in the default paths of
    • WSL2 distros (C:\Users\<NAME>\AppData\Local\Packages\CanonicalGroupLimited...)
    • Docker WSL2 distros (C:\Users\<NAME>\AppData\Local\Docker)
    • Any other folder defined via the WSL_FOLDERS environment variable. For having multiple directories, format it as $PATH, as in: C:\PATH\TO\FOLDER1;D:\PATH\TO\FOLDER2;...
  • Shut down WSL2
  • Compact all found disks with diskpart

After that just open another Linux terminal and WSL2 will restart automatically.

Warning

  1. I am a strange man on the internet asking you to run a powershell script. You should probably look inside the script compact-wsl2-disk.ps1 and make sure you understand what it does.

  2. This will stop WSL. So save your work in Linux.

Usage

Open Powershell as Administrator and run:

powershell.exe .\compact-wsl2-disk.ps1

PRs are welcome!

Please file pull requests instead of just asking for things. Thanks!

License

MIT

Thanks

This person on StackOverflow and everyone on the WSL GitHub and R0Wi.