Web Application Performance Testing using Apache JMeter, Part 2: Monitor Server Resources

How to monitor server CPU, memory, and disk during JMeter load tests using the PerfMon plugin and server agent.

Control your Raspberry PI GPIO in Real Time via the Browser using NodeJS, Socket.IO and pi-gpio

Real-time Raspberry Pi GPIO control from the browser using Node.js, Socket.IO, and pi-gpio - with complete source code.

Service Oriented Architecture: Install and configure WSO2 API Manager on Debian

How to install and configure WSO2 API Manager on Debian for API publishing, traffic routing, and lifecycle management.

Numato Lab 32 Channel USB Gpio NodeJS Module

A Node.js module for controlling a Numato Lab 32-channel USB GPIO board - a faster alternative to Raspberry Pi GPIO.

Node.JS Low Latency Rapsberry PI Camera Streaming via HTTP and VLC

A short Node.js snippet for low-latency Raspberry Pi camera streaming over HTTP, viewable in VLC or any media player.