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In this tutorial, I will show you step-by-step how to install Oracle 12c on a CentOS 7 x86-64 machine. This includes the preparation and configuration of the CentOS 7 machine for the Oracle 12c installation, the Oracle 12c installation and testing the database with the Oracle Database command line utility sqlplus and the web-based Oracle Enterprise Manager.

When you think of open source technologies, you probably think of the stalwarts, the technologies that have been around for years and years. It makes sense: According to a survey conducted in Q4 of 2016 by my company, Greythorn, 30%+ of participants said established technologies are among the top ten they primarily use. read more

The next major Red Hat Enterprise Linux update is on its way.

We’re introducing major upgrades for our educational, browser-based code editor. Learning to code—from getting the hang of HTML tags to mastering the nuances of JavaScript—shouldn’t be a challenge.

As a principal agile coach, my focus is to energize and inspire developers to adopt and follow through on the agile frameworks across our teams. Initially, I failed, as I didn't really understand the mindset of teams that have been working in an open source ecosystem. My assumption was that since agile and open source values align so closely, the barrier for adopting agile frameworks would be low and our people would take to it like fish to water. read more

Chef, the popular DevOps company, has expanded its Chef Automate program to handle cloud-native and container-first server environments.

Lime Micro has launched three open source “LimeNET” SDR systems that run Ubuntu Core on Intel Core CPUs, including one with a new LimeSDR QPCIe board. Lime Microsystems has gone to Crowd Supply to launch three fully open source LimeNET computers for software defined radio (SDR) applications. The systems run Ubuntu “Snappy” Core Linux on […]

I've written a little about PHP before, because I think it's a great utility language for writing quick things you need to do. Plus, it allows you to use a web browser as your interface, and everyone has a web browser. That makes it very convenient for my family, because I can make simple web interfaces for the various things I normally have to do from the command line.

When you're working in an organization where statements like "Good ideas can come from anyone" and "Experiment! We learn more from our mistakes than our successes!" are commonplace, does saying "no" create a contradiction that impedes adaptability and inclusivity? The answer depends on how you say "no" and the things you say "no" to. read more

The uniq command reports or even deletes repeated lines in a file. In this article, we will discuss uniq through easy to understand examples.

Linux, in keeping with Unix traditions, doesn't have a comprehensive systems management API. Instead, management is done through a variety of special-purpose tools and APIs, all with their own conventions and idiosyncrasies. That makes scripting even simple systems-management tasks difficult and brittle. read more

Support for high DPI monitors has been included in Fedora Workstation for some time now. If you use a monitor with a high enough DPI, Fedora Workstation automatically scales all the elements of the Desktop to a 2:1 ratio, and... Continue Reading →

After six years as a formal project, OpenStack has survived numerous raids and famines and now finds itself in a not-too-weird space of being boring, on-premises infrastructure. That is, “boring” in the good way of focusing on what users want and fixing existing problems, only chasing shiny objects - cough, PaaS, cough, containers, cough, orchestration - as much as needed.…

TThe COM Express Compact Type 6 “MSC C6C-AL” taps Intel’s Apollo Lake with up to 16GB DDR3L, microSD and optional eMMC, and support for 5x PCIe slots. MSC Technologies continues to round out its line of Intel “Apollo Lake” computer-on-modules with a 95 x95mm COM Express Compact Type 6 MSC C6C-AL.

Nextcloud gives even the smallest businesses a private cloud to call their own.

Ben Hall from Katacoda and Ocelot Uproar gave an awesome talk at OSCON 2017 about another topic near and dear to my heart: documentation! This is a summary of his presentation. The journey to documentation begins before you think it does, on the very first page of your site. Users look at your website or GitHub—and often the examples and demos you post there—before they read any of your guides. read more

Too risky, too spammy, too smutty, say devs Developers of the popular Kodi plug-in Navi-X have pulled the plug on further development, citing the "current legal climate" around its work.…

In this tutorial, I will show you step by step to configure MySQL securely for remote connections with SSL. MySQL is an open source relational database system that works on many Operating Systems including Windows, Linux, MacOS and FreeBSD. It is probably the most popular OpenSource RDBMS and a central component of the LAMP and LEMP Stacks.

I've been a fan of the Squeezebox ever since I acquired Logitech's now-obsolete Squeezebox Touch, which my family is still using. read more

The Fedora Media Writer application is the quickest and easiest way to create a Fedora USB stick. If you want to install or try out Fedora Workstation, you can use Fedora Media Writer to copy the Live image onto a... Continue Reading →