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Learn how to configure mail aliases and mail forwarding for the sendmail program on Linux. Learn about some alternative mail transfer agents. Use the material in this tutorial to study for the LPI 102 exam for Linux system administrator certification or to learn for fun.

Searching a code base is a part of every day developer activities. From fixing a bug, to learning a new code base or checking how to call an api, being able to quickly navigate your way into a code base... Continue Reading →

Aaeon’s “PICO-APL3” has an Apollo Lake SoC with up to 64GB eMMC, and provides 4x USB, 2x serial, 2x M.2, 2x MIPI-CSI, SATA, GbE, HDMI, eDP, and TPM. Aaeon’s PICO-APL3 has the same choice of Apollo Lake processors, coastline ports, and 100 x 72mm Pico-ITX form factor, as last December’s PICO-APL1. However, it’s otherwise redesigned […]

At the All Things Open 2017 conference, Michael Clayton and I gave a talk about game jams and open source development tools. Here's an overview of our presentation. First, there are many reasons developers love creating games. Here are four great ones: It includes many disciplines, both creative and technical; It offers a tangible, shareable result; It is symbiotic to work; and It's fun!

The primary goal of the Journal of Open Source Software (JOSS) is to give researchers who develop, contribute to, and maintain open source software a means to get citable credit for their work within today’s research ecosystem. In short, JOSS is a developer-friendly journal for publishing research software packages.

Trying to stop snoops stalling page loads. When Mozilla lobbed Firefox 57 over the fence last month, it introduced an anti-tracking feature without saying anything much about it.

Mozilla Tech Policy Fellows continue to lead policy conversations around the world. When Mozilla rolled out a new fellowship focused on tech policy this past June, the goal was to gather some of the world’s top policymakers in tech to continue advancing the important initiatives they were working on in government as fellows with Mozilla.

In this tutorial, I will show you step-by-step how to install MediaWiki with Nginx web server on Ubuntu 16.04. I will guide you on how to install and configure the LEMP stack for MediaWiki installation, including generating and configuring new free SSL Letsencrypt for MediaWiki security.

I'm not sold on the whole idea of mobile first, but I do know that more people than ever are using mobile devices like smartphones and tablets to get information on the go. That includes online software and hardware documentation, much of which is lengthy and poorly suited for small screens. Often, it doesn't scale properly, and it can be difficult to navigate. read more

Collaboration and information silos are a reality in most organizations today. People tend to regard them as huge barriers to innovation and organizational efficiency. They're also a favorite target for solutions from software tool vendors of all types. Tools by themselves, however, are seldom (if ever), the answer to a problem like organizational silos. The reason for this is simple: Silos are made of people, and human dynamics are key drivers for the existence of silos in the first place. So what is the answer? read more

Linux is 26 years old, and look what happened in those 26 years: everything. Now what? Linux is both shrinking and expanding.

Culture is an important part of DevOps, so many organizations have put an enormous amount of effort into trying to figure out what makes a great team. Google formed an entire initiative, called Project Aristotle, to study this question. The answer wasn't free lunches, great benefits, or wonderful salaries. Rather, Google's research determined that culture played a significant role in effective teams, particularly culture around creating physiological safety. read more

In this tutorial, we will guide you step by step on how to create a High Availability Cluster Nginx Web Server with Pacemaker, Corosync, and Pcsd. We will create the Active-Passive Cluster or Failover-cluster Nginx web server using Pacemaker on a CentOS 7 system.

Choosing the "best of" anything is always challenging, and choosing Opensource.com's best sysadmin articles from 2017 is no exception. We had a lot of great articles this year, and it was fun and interesting to go back and read them. Eventually, I was able to narrow down the many choices to the five listed here.

As many of us prepare to be with families and close friends for the holidays, I’m excited to announce that Mozilla is bringing the speed of Firefox and the power of the web onto the TV with an established family of streaming media devices, just in time for the holidays.

Marie Drottar, 62, of the United States, is one of two recipients of the 2017 Linux Foundation Training (LiFT) Scholarships in the Women in Open Source category. The LiFT scholarships provide advanced training in open source to existing and aspiring IT professionals globally.

SolidRun’s “ClearCloud 8K” IoT gateway runs Linux on its quad -A72 MacchiatoBIN SBC with 1-, 2.5-, and 10GbE ports, and links to Google Cloud IoT Core. SolidRun has launched a MacchiatoBIN ClearCloud 8K IoT gateway appliance with built-in software for connecting to Google’s beta-level Cloud IoT Core analytics service (see farther below).

PerlMagick is a Perl module that allows users to create scripts using various ImageMagick commands. Most users might do this for batch processing, maybe even some serial batch processing. In this article, I’ll show a project I did for my own purposes while I was working as a neurologist. read more

GNOME Builder 3.26 ships a number of new features, including improved symbol searching, inline documentation and integrated debugging. Prior to this, developers could code and compile their program in Builder, but would need to switch to a separate debugger (either... Continue Reading →

Intel’s 14nm “Gemini Lake” Pentium Silver and Celeron SoCs are similar to Apollo Lake, but offer support for HDMI 2.0, VP9, and a speedy Gigabit WiFi. Intel’s “Gemini Lake” follow-on to its Apollo Lake family of Atom, Pentium, and Celeron system-on-chips was first tipped in the third quarter, with more details emerging in early November. […]