Run node-red headless for narrowband IoT devices

Node-red is a helpful tool to let people without software development skills program their devices own their own. But if you want to run node-red on a machine with very limited data volume and data bandwith, like IoT devices, node-red seems to be the wrong solution. Node-red comes with an integrated HTTP server, providing all […]

Fast & easy prove that Linux caches files to RAM

I need to serve big files very frequently. After starting the serving process for the first time and users start to request these files, all my drives are heavily working. But disk utilization reduces to a minimum after a while, even though the traffic doesn’t decline. Why? Clearly this is the work of Linux’ caching […]