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Running Kubernetes clusters in production is a big undertaking with lots of moving parts. Keeping an eye on all those various parts is no easy task. To make the problem worse, Kubernetes is very distributed and oftentimes self-healing. If something is going wrong in your cluster, it may be intermittent enough (or specific enough) that you won't see the breakage for quite a while. During that time, of course, your customers or developers may have a degraded or completely broken experience. read more

Designed for kiosk and “fat client” applications, Giada’s VESA mountable “BQ67” mini-tower runs Linux or Windows on 6th or 7th Gen Core CPUs with up to 3x HDMI and 12x USB ports. Giada, which manufactures a variety of signage, mini-PC, and thin client systems, such as the Giada i200 thin client, has launched a “fat […]

In August 2018, Opensource.com posted a poll with seven options asking readers: What was the most important moment in the history of Linux? I thought I would expand on the list and present 10 moments that I think have played an important part in shaping the history of Linux. 1. Linus releases Linux Linus Torvalds initially released Linux to the world in 1991 as a hobby. It didn't remain a hobby for long! read more

Recently, I wrote about how we solved the problem of Java 11 removing the Java Network Launching Protocol (JNLP), which was how an organization I work with distributed a critical business app. read more

Bludit is a simple, fast, secure, flat-file CMS that allows you to create your own website or blog in seconds. In this tutorial, we will go through the Bludit CMS installation and setup on Ubuntu 18.04 LTS system by using NGINX as a web server.

Fedora provides awk as part of its default installation, including all its editions, including the immutable ones like Silverblue. But you may be asking, what is awk and why would you need it? Awk is a data driven programming language that acts when it matches a pattern. On Fedora, and most other distributions, GNU awk […]

A retrospective is the act of dealing with past events and activities. The word comes from Latin, and it literally means "to look back." In the business world, a retrospective is a practice agile teams commonly use to reflect on how their work is done to improve how they do it so they continuously become better at it. read more

On National Superhero Day, how would some of our favorite open source tools and mascots look if they were superheroes? Granted, open source tools are already kind of like superpowers in their own right. My take on this challenge is Open Force: Heroes of the Code! (with accompanying illustrations, of course). Download the original Krita art files and desktop wallpaper images for 4k, HD, and mobile devices from my GitLab repo. read more

In this edition of our open source news roundup, we take a look open source projects from Mozilla, a tool for analyzing Flash files, an open source alternative to GPS, and more!

After Intel rolled out 26 new 9th Gen Core models, a leaked Intel roadmap revealed a 2Q launch for its 10nm Ice Lake chips and a low-power Lakefield processor that combines an Ice Lake core with 4x Atom Tremont cores. It was a busy two weeks for Intel watchers. After unveiling 26 new 14nm 9th […]

If you've been following the artificial intelligence (AI) news media lately, you probably heard that one of Google's top AI people, Ian Goodfellow, moved to Apple in March. Goodfellow was named one of MIT's Innovators Under 35 in 2017 and one of Foreign Policy's 100 Global Thinkers in 2019. read more

If you're following this ongoing C programming tutorial series, you'd be aware of the concept of arrays. To quickly refresh, arrays are used to store multiple values of the same type in continuous storage.

In the first two articles in this series, I shared how you can use your GPG key to authenticate your SSH connections and import existing SSH keys. Once you're using more than two or three SSH keys, managing them can become more complicated. In this final article, I'll explain how to manage multiple SSH keys using the control file and how to make changes to manage them as GPG authentication subkeys. read more

This document describes how to install and configure Jailkit in Debian 9 Server. Jailkit is a set of utilities to limit user accounts to specific files using chroot() and or specific commands. Setting up a chroot shell, a shell limited to some specific command, or a daemon inside a chroot jail is a lot easier and can be automated using these utilities.

The $68 “ionware sdk1” is a home automation controller board add-on for the Raspberry Pi Zero W with 7x universal inputs and 7x digital outputs plus a OpenHABian Linux stack with graphical Ladder Logic programming. A startup called ionware has launched an ionware starter development kit 1 home automation add-on board for the Raspberry Pi […]

Recently, David Humphrey posed a seemingly straightforward question on Twitter. When was the MIT License created? I can't find any source that gives a year. read more

In this guide, I'll show you how to manage files using ansible modules. You will learn how to copy, edit, insert, download and replace files using Ansible.

Video: Making fast hash tables in programming, which don't cause collision trouble, is one of computing's holy grails. Facebook thinks it's created a good one.

Phorum is a PHP and MySQL based Open Source forum software. In this guide, we will guide you step-by-step through the Phorum installation process on the Ubuntu 18.04 LTS operating system using Nginx as the web server, MySQL as the database, and acme.sh and Let's Encrypt for HTTPS.

I love containers. You love containers. We all love containers. But is our love for them blinding to us the fact that we often don't really know what's running within them? Containers are only as secure as their contents.