Universal Blue

Topics: Fedora Silverblue

Universal Blue builds custom Fedora Atomic desktop images; this page documents rebasing a system to a signed Bluefin image.

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Rebasing on signed Universal Blue images

First, install an unsigned image:

rpm-ostree rebase ostree-unverified-registry:ghcr.io/ublue-os/bluefin:39

Enroll the secure boot key:

ujust enroll-secure-boot-key

Reboot and install the MOK key.

Now you should be able to rebase to the signed image using

rpm-ostree rebase ostree-image-signed:docker://ghcr.io/ublue-os/bluefin:39

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