GNOME OS is a distribution based around systemd-sysupdate. This year, we finally created a live installer image using the same /usr partition as the installed OS. The main innovation however is the ability to install without the need to reboot. The user can start working while the installation is happening.

This live image is built using systemd-repart. And the installer itself also uses systemd-repart. But systemd-repart is not the complete solution and we had to solve some challenges.

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about this event: https://cfp.all-systems-go.io/all-systems-go-2025/talk/QRJVL3/