WSL import/export and setting default user

README.md

Export a WSL instance

wsl --export <distribution name> <export file name>

e.g.

wsl --export Ubuntu-22.04 D:\wsl-backup\Ubuntu.22.04.tar

Import a WSL instance

wsl --import <distribution name> <location of vhdx file> <wsl backup file>

e.g.

wsl --import Ubuntu-22.04 D:\wsl D:\wsl-backup\Ubuntu.22.04.tar

Setting default user

Upon importing of WSL, default user has to be set, or else it'll fall back to root user.

🔗 https://superuser.com/questions/1566022/how-to-set-default-user-for-manually-installed-wsl-distro#answer-1627461

1. Create a file at /etc/wsl.conf in the distro if it hasn't already existed.
2. Add the following block

   [user]
   default=username