Import our working installation of Ubuntu as our test installation: wsl.exe -import UbuntuFocal C:\UbuntuFocal Don’t worry if you do not have WSL 2 yet.Įxport our working installation of Ubuntu installation as a backup: wsl.exe -export Ubuntu You can see above we have Ubuntu installed as our WSL distro and and it is running on WSL 2. Open Command Prompt and run the following to find your WSL distro: wsl.exe -list -all -verbose This will give you the ability to switch back and forth between your working Ubuntu installation and your upgraded Focal image. We will make a backup of your working installation, import it under a new name, and then upgrade it to Focal Fossa. We do not want to upgrade your existing working Ubuntu 16.04 or 18.04 installation at this time, not while testing. Both methods need testing and we welcome feedback on, see: How to report a bug related to Ubuntu on WSL. You can make a copy of your existing installation and upgrade it or you can download and side-load a fresh image from Canonical’s daily builds. There are two primary ways to try Ubuntu Focal Fossa, the codename for the release which will become Ubuntu 20.04 LTS ( long term support). This post first appeared in a series of posts on my personal blog.
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