308 B
308 B
Simulate OTA
Use nmap ncat. Otherwise we'll have all kinds of fabulous issues sending it.
Sending side
pv "out/rootfs.ext4.zst" | ncat 10.0.0.10 1234 --send-only
Receiving side
ncat -l 1234 --recv-only | zstd -d -c | dd of=/dev/sda3 bs=4M status=progress && sync && echo "SUCCESS"