OP-TEE from Zero: Part 1
A beginner-friendly map of OP-TEE, ARM TrustZone, Trusted Applications, libteec, tee-supplicant, xtest, and the ARM secure boot flow.
Linux.
4 blogs to explore.
Designing an update that knows when to stop
A useful OTA design begins with its failure states, not its progress bar. Map the boundaries before automating the happy path.
Starter note
Debugging containers without losing the evidence
Before restarting everything, capture the state that explains what happened. A small, read-only starting point for an investigation.
Starter note
A small map of the embedded Linux stack
Silicon, boot software, the kernel, userspace, and applications: a clearer picture of where each responsibility belongs.
Starter note