Edward Mooney

OSPF uses a metric called cost to determine the best path to a destination. Unlike protocols that use hop count or a composite calculation involving several interface characteristics, OSPF primarily...

Build a Java WiFi Scanner Using ProcessBuilder In this project we'll create a simple command line application that scans for nearby WiFi networks on Windows. It's small enough to complete in one si...

Build a Java Disk Space Calculator Command Line Application One of the best ways to learn Java is by building small utilities that solve real problems. In this tutorial, we'll create a command line...

Why Java OOP Still Matters in 2026: Building AI-Powered Desktop Applications Every few years someone predicts the death of Object-Oriented Programming. Yet in 2026, Java remains one of the most wid...

Cisco Router PKI (Public Key Infrastructure) Configuration Guide Public Key Infrastructure (PKI) provides the foundation for secure authentication, encryption, and trust management in enterpris...

CrewAI Tutorial What Is CrewAI? CrewAI is an open-source multi-agent orchestration framework. It helps developers create AI agents with specific roles, goals, backstories,...

Small Business Administration / AI Automation AI Agents in Small Business Administration: Automate Daily Tasks, Save Time, and Improve Operations AI agents are becoming practical t...

How to Configure DMVPN in a Cisco Network: Complete Cisco IOS GuideDynamic Multipoint VPN (DMVPN) is a Cisco technology that combines multipoint GRE, NHRP, and IPsec to build scalable hub-and-spoke VP...