This cool tool helps you exchange files and directories between computers with Linux, Mac OS, Windows, and Android.

The well-known Monty Hall game show problem can be a rewarding maiden voyage for prospective statisticians. But is it possible to teach a neural network to choose between goats and cars with a few practice sessions?

A strange rule seems to dictate that the most useless products and services have the most annoying online advertising. Columnist Charly blocks the garish advertising for all computers on his network centrally with the Pi-hole tool, which is not only for Raspberry Pi devices.

The OpenFlow protocol and its surrounding technologies are bringing the promise of SDN to real networks – and it might not be long before you see them on your real network.

Globalization, rapidly increasing numbers of devices, virtualization, the cloud, and "bring your own device" make classically organized IP networks difficult to plan and manage. Instead of quarreling, some admins address these problems with a radically new approach: Software-defined networking.

Mininet lets you test new controller features for your software-defined network in a sandbox before releasing them onto your production network.

We'll show you how to build a network-based virtual RAID solution using ATA over Ethernet.

Dangling your legs in the sea while enjoying the Mediterranean sunshine can affect the prospect of a good Internet connection; fortunately, Charly knows what to do.

In "The Matrix Reloaded," Trinity uses Nmap to hack into the power grid to pave Neo's way to the architect of the virtual world. However, the port scanner is also ideal for more mundane purposes – such as discovering vulnerabilities in your domestic network.