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How to install and minimally configure Knot to act as your home lab's local domain master and slave servers.

In today's connected embedded device market, driven by the Internet of things (IoT), a large share of devices in development are based on Linux of one form or another. The prevalence of low-cost boards with ready-made Linux distributions is a key driver in this. Acquiring hardware, building your custom code, connecting the devices to other hardware peripherals and the internet as well as device management using commercial cloud providers has never been easier. read more

What is packit Packit (https://packit.dev/) is a CLI tool that helps you auto-package your upstream projects into the Fedora operating system. But what does it really mean? As a developer, you might want to add or update your package in Fedora. If you’ve done it in the past, you know it’s no easy task. If […]

Katherine Druckman and Doc Searls talk to Alex Gounares of Polyverse Linux about Cybersecurity for everyone.

What I need to do is be able to process Apache log files and isolate specific problems and glitches that are being encountered—a perfect use for a shell script. In fact, I have a script of this nature that offers basic analytics in my book Wicked Cool Shell Scripts from O'Reilly, but this is a bit more specific.

News briefs for May 24, 2019.

Minikube is a free and open source tool that enables you to set up single node Kubernetes cluster inside your Linux system. In this tutorial, we will learn how to install a Kubernetes single-node Cluster Minikube on Ubuntu 18.04 LTS.

Rather than doing a step-by-step how-to guide to configuring your system to dual boot, I’ll highlight the important points. As an example, I will refer to my new laptop that I purchased a few months ago. I first installed Ubuntu Linux onto the entire hard drive, which destroyed the pre-installed Windows 10 installation. read more

ArangoDB is a free and open source, NoSQL and multi-model database that provides all the database features that are needed for a modern web application. In this tutorial, we will learn how to install ArangoDB3 on Ubuntu 18.04 server.

Atos’ suitcase-sized “BullSequana Edge” server runs Linux on a 6th Gen Xeon-D and supports AI edge processing via optional Nvidia T4 GPUs and FPGAs. Other specs include SATA, USB 3.0, GbE, and optional 10GbE, WiFi, 3G/4G, and LoRa. Establishing our scope of coverage on the low end is pretty easy — aside from the occasional […]

CS-Cart is a simple and powerful eCommerce platform that can be used to host your own online store easily. In this tutorial, we will learn how to install CS-Cart on Ubuntu 18.04 server.

News briefs for May 23, 2019.

GitHub is a hugely popular web service for source code control that uses Git to synchronize local files with copies kept on GitHub's servers so you can easily share and back up your work. read more

Kernel development is always strange. Andrea Parri recently posted a patch to change the order of memory reads during multithreaded operation, such that if one read depended upon the next, the second could not actually occur before the first.

At a recent Ansible London Meetup, I got chatting with somebody about automated hardware builds. "It's all cloud now!" I hear you say. Ah, but for many large organisations it's not—they still have massive data centres full of hardware. Almost regularly somebody pops up on our internal mail list and asks, "can Ansible do hardware provisioning?" Well yes, you can provision hardware with Ansible… read more

Onion’s $99, sandwich-style Omega2 LTE SBC for remote sensor applications with a MIPS-based, WiFi-enabled Omega2S+ compute module, a Quectel EC25 chipset with LTE Cat 4 and GNSS, plus USB Type-C, microSD, and battery support. Last December, Onion updated its MIPS-based, WiFi-enabled Omega2 board with a similarly OpenWrt-driven Omega2 Pro SBC that increased RAM to 512MB […]

In the first two articles in this series, we explored the general requirements of a Source To Image (S2I) system and prepared an environment specifically for a Go (Golang) application. Now let's give it a spin.

NASA has deployed three free-flying “Astrobee” robots on the ISS for house-keeping tasks. The bots run Ubuntu/ROS and Android 7.1 on Snapdragon-based Inforce modules and a Wandboard and feature 3x payload bays, 6x cameras, and a touchscreen. We haven’t heard a news from the IBM Watson connected CIMON social robot since it debuted with a […]

Linux container technology was introduced more than a decade ago and has recently jumped in adoption in IT environments....

In this tutorial, I will show you how to set up a development environment for Ruby on Rails applications using Docker and Docker compose. We will be using Ubuntu 18.04 as the hosts operating system.