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Photo by Almos Bechtold on Unsplash

Photo by Almos Bechtold on Unsplash

Getting started with the Apache Cassandra database

The open source Apache Cassandra database claims to be fail-safe, economical, highly scalable, and easy to manage. A few exercises show whether it lives up to its advertising.
Lead Image © Ioannis Kounadeas, Fotolia.com

Lead Image © Ioannis Kounadeas, Fotolia.com

Troubleshooting and analyzing VoIP networks

A special VoIP analyzer lets you control the available bandwidth and quality of voice transmission by monitoring relevant network parameters.
Lead Image © Sergejus Bertasius, 123RF.com

Lead Image © Sergejus Bertasius, 123RF.com

Domain name resolution with DNS over HTTPS

The new DNS over HTTPS standard from the Internet Engineering Task Force is meant to eliminate some of the known vulnerabilities of the Domain Name System.
Lead Image © Lucy Baldwin, 123RF.com

Lead Image © Lucy Baldwin, 123RF.com

Logical Bombs for Fun and Benchmarking

The admin can generate load a number of ways with shell commands.
Lead Image © sandra zuerlein, Fotolia.com

Lead Image © sandra zuerlein, Fotolia.com

Arm yourself against cloud attacks

We present approaches and solutions for protecting yourself against attacks in the cloud.
Lead Image © Alexey Shkitenkov, Fotolia.com

Lead Image © Alexey Shkitenkov, Fotolia.com

A service mesh for microarchitecture components

Istio facilitates communication between the many small microcomponents that need to communicate with each other in modern applications.
Lead Image © lightwise, 123RF.com

Lead Image © lightwise, 123RF.com

Zuul 3, a modern solution for CI/CD

The Zuul 3 gating system is a free and flexible solution for continuous integration, delivery, and deployment.
Photo by Christin Hume on Unsplash

Photo by Christin Hume on Unsplash

Container IDE with cloud connection

Gitpod relies on technologies such as Docker and Eclipse Theia to serve up individual development environments for GitHub projects.
Lead Image © Carsten Reisinger, 123RF.com

Lead Image © Carsten Reisinger, 123RF.com

Interprocess communication essentials in Perl

IPC in Perl is easy with a few functions, signal handlers, backticks, and pipes.
Photo by Mirko Blicke on Unsplash

Photo by Mirko Blicke on Unsplash

Software RAID in Windows, macOS, and Linux

If RAID hardware is missing on your server, Windows, Linux, and macOS offer various options for building software RAID.
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