Dive into modern and secure operations of Kubernetes clusters on the edge in this 45-minute conference talk. Explore novel approaches to securing ARM boot processes, including coreboot, LinuxBoot, and Trusted Firmware-A. Learn about secure OS image downloads using The Update Framework and ORAS, and discover how to leverage TPM for Remote Attestation. Examine Kubernetes deployment alternatives such as Cluster API, kubeadm, and k3s, and explore GitOps-based cluster lifecycle management using Flux v2, libgitops, and kspan. Investigate edge-to-cloud data synchronization solutions like KubeEdge and Akri. Gain insights into the creative combination of cloud-native and open-source firmware projects, and learn about the speaker's new open-source project, Racklet, for hands-on experience with these technologies.