Over the years I have provided computer consulting services for many businesses. While some of these small businesses have been simple one-man operations, many of them were larger. The thing that I ...

Spoiler: there isn’t just one network definition. Learn everything you need to assess various network types, topologies, and architectures. The simple network definition: a system that links other ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app. The UNIX ping command is a tiny UNIX network tool that allows you to test your network, ...

A top-down exploration of networking using the 5-layer model and the TCP/IP stack. HTTP, FTP, DNS, BSD Sockets, concurrent servers, checksums, reliable transport with stop-and-wait, go-back-n, ...

Data is a valuable commodity that sits at the heart of our IT systems, whether on-premise or in the public cloud. The need to retain our data on persistent storage media, however, has been around ...