Hey a little off topic but i suggest taking a look in All Yesterdays and All Your Yesterdays

pigallery2 A super lightweight immivh alternative which makes browsing photos a breeze

Copyparty turns almost any device into a file server with resumable uploads/downloads using any web browser

but don't forget to exclude your key file from sync

You'll be lucky if you find ethernet on them. RJ45 serial is still pretty common nowadays