2.7. Upgrading from an existing rpm-ostree installation to image mode for RHEL 10.0

Procedure

1. Update your image. See Updating RHEL for Edge images.

   $ sudo rpm-ostree upgrade
   $ sudo systemctl reboot

2. Build a bootc image that uses RHEL 10.0. For example:

   $ cat Containerfile
   FROM registry.redhat.io/rhel10/rhel-bootc:10.0
   RUN dnf install -y  \
       clevis  \
       clevis-dracut  \
       clevis-luks  \
       fdo-client  \
       fdo-owner-cli

3. Build the <image> image by using Containerfile in the current directory:

   $ podman build -t quay.io/<namespace>/<image>:<tag> .

4. Push the image to a registry

   $ podman push quay.io/<namespace>/<image>:_<tag>_

5. Run bootc switch on the device.

   $ bootc switch quay.io/<namespace>/<image>:_<tag>_

   1. Reboot the system.

      $ sudo systemctl reboot