eBPF offers a powerful remedy for the complexity of Kubernetes, but it can be difficult to configure and manage. Cilium provides easy access to eBPF's revolutionary capabilities.

Intruders and spies have ways of concealing information in image files, doc files, and other innocuous locations. Welcome to the sneaky art of steganography.

To see when clients are joining and leaving the wireless network, Mike Schilli writes a command-line utility that uses an object-relational mapping interface to store metrics in SQLite to later display historical data.

Parking meters and vending machines detect and count the coins you insert, but how do they work? We'll show you how to mimic the functionality with some particleboard, a Raspberry Pi Pico, a few extra chips, and some Python code.

The Raspberry Pi Zero is a frugal little computer. But without a power socket, you might be surprised how quickly it can drain a battery. Active power management is the order of the day.

This month in Linux Voice and Elvie.

With all the benefits of high-level languages, there's still good value in learning assembly- and machine-level languages today.

Netcat is the Swiss Army knife of networking for admins. Socat takes this principle one step further, offering multiplexing, TLS-secured channels, pipes, Unix sockets, and executables.

cksfv and the CRC32 algorithm can't compete with modern methods as a way to look for intruders, but if you're just checking for random errors such as a misplaced bit, this ancient tool could still be of service.

This month Nate offers readers delectable treats including code editors, immersive video games, office suites, and even a remarkably useful typing tutor.