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Icinga 2 is a free and open source monitoring tool that can be used to monitor multiple servers or whole data centers from a single monitor system. In this tutorial, I show you how to install and configure the Icinga 2 monitoring tool using an Ubuntu 18.04 LTS server.

In today's world, open source software solutions are a collaborative effort of the community. Can a performance engineering team operate the same way, by collaborating with the community to address the confusion and complexity that come with working on a broad spectrum of products? To answer that question, we need to explore some basic questions: read more

Last year, I wrote about using the Groovy programming language to access foreign exchange rate data from an API to simplify my expense records. read more

News briefs for May 9, 2019.

Seeed’s “Grove Base Kit for Raspberry Pi” is an RPi HAT aimed at newbies at less than half the price of its Starter Kit for the Pi. The kit has a few less sensors, but adds motion, moisture, and servo. After seeing our report yesterday on the Grove AI HAT for accelerating AI on the […]

Google has announced that all new Chromebook devices will be Linux ready.

In this tutorial - which is part of the ongoing C programming tutorial series - we will discuss the concept of typedef. As the name suggests (think of typedef as type+def), typedef is a C provided facility to define new names for existing data types.

Red Hat's Kubernetes platform, OpenShift, is how Red Hat plans to build hybrid clouds.

The Department of Justice has approved IBM's acquisition of Red Hat. Since IDC thinks Red Hat Enterprise Linux alone is expected to contribute to more than $10 trillion worth of global business revenues in 2019, IBM's $34 billion acquisition of Red Hat is looking better than ever.

The latest version of Fedora Linux was released at the end of April. As a full-time Fedora user since its original release back in 2003 and an active contributor since 2007, I always find it satisfying to see new features and advancements in the community. read more

If we take freedom and openness for granted, we'll lose both. That's already happening, and we need to fight back. The question is how.

OSClass is a free and open source php script that can be used to create your own classifieds site. In this tutorial, we will learn how to install OSClass on Ubuntu 18.04 server.

It seems clear that backups are always a hot topic in the Linux world. read more

If you’ve been reading the Community blog, you’ll already know: AskFedora has moved to Discourse! Read on for more information about this exciting platform. Discourse? Why Discourse? The new AskFedora is a Discourse instance hosted by Discourse, similar to discussion.fedoraproject.org. However, where discussion.fedoraproject.org is meant for development discussion within the community, AskFedora is meant for […]

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 Debian 9 (stretch) system by using NGINX as a web server.

News briefs for May 8, 2019.

Video: If the mountain won't come to Muhammad, then Muhammad must go to the mountain. Or, in this case, Microsoft CEO Satya Nadella came to Red Hat Summit to announce a new Microsoft/Red Hat partnership: Azure Red Hat OpenShift.

Where would be without our teachers? Today, on National Teacher Day, take a few minutes to send a special note to one of your favorite teachers. Five of our writers did. Read their heartfelt notes below, but first, take note of these three awesome book recommendations for students looking to learn more about coding, open source, and Linux. Book recommendations Hello World: Being Human in the Age of Algorithms by Hannah Fry read more

Shared libraries use version numbers to allow for upgrades to the libraries used by applications while preserving compatibility for older applications. This article reviews what's really going on under the book jacket and why there are so many symbolic links in /usr/lib on a normal Linux system.

In this third article in a three-part series on the RPM Package Manager, discover the ins and outs of software dependencies, and learn how to control and customize your software packaging. (This series replaces an earlier series on RPM written by Dan Poirier.)