How to rebase Fedora 33 on Silverblue

Silverblue is an operating system built on Fedora and is great for everyday use, with container-based workflows. If you want to upgrade to Fedora 33 Silverblue, this article will tell you how. It will not only show you what to do, but also how to turn things around if something unforeseen happens.

Before rebooting for Fedora 33, you should apply any pending updates. Enter in the terminal:

$ rpm-ostree update

Returning to Fedora 33 using the terminal is easy. First, check if version 33 is available:

$ ostree remote refs fedora

You should see the following in the result:

fedora: fedora / 33 / x86_64 / silverblue

Then reinsert the system into Fedora 33.

$ rpm-ostree rebase fedora: fedora / 33 / x86_64 / silverblue

Finally, restart your computer and boot into Fedora 33.

If you can't start Fedora 33 at all - it's easy to go back. Choose the previous entry from the GRUB menu at startup, and your system will boot to its previous state before switching to Fedora 33.

To make this change permanent, use the following command:

$ rpm-ostree rollback

Now you know how to restore Silverblue to Fedora 33 and come back. Good luck!