Simple AJAX   lm_sensors   /dev/fanout	A Short Tutorial on XMLHttpRequest() Using JavaScript's XMLHttpRequest() you can asynchronously update a web page with the response to a web request. This short tutorial shows how to use XMLHttpRequest() to asynchronously display the output of a named pipe (FIFO) on a web page. How to Install and Use lm_sensors The lm_sensors package lets you examine the temperatures, voltages and fan speeds on your appliance. The article gives a gentle introduction to sensor data and tells you how to install and use the lm_sensors package. /dev/fanout : A One-To-Many Multiplexer The fanout device is a FIFO that copies its input to all processes that are reading from it, making it a one-to-many multiplexer. Fanout may be that simple, broadcast IPC that you've been looking for.