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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. […]

An open organization is one that embraces transparency, inclusivity, adaptability, collaboration, and community—eliminating barriers all across your business, including those between development and operations teams. A culture of openness is an essential prerequisite for agile, boundary-breaking activities...

Ah, you gotta love Red Hat - they're never not busy working on something that might make our lives a little easier. Latest case in point: Thunderbolt 3.

Observium is a free and open source Network Management and Monitoring tool that can be used to monitor all of the network devices. It is written in PHP and uses SNMP to collect the data from the connected device and monitor them using a web interface. In this tutorial, we will explain how to install and configure Observium on Debian 9 server.

A very cool, yet lesser known, feature in GNOME is its ability to display a slideshow as your wallpaper. You can select a wallpaper slideshow from the background settings panel in the GNOME Control Center. Wallpaper slideshows can be distinguished from static wallpapers by a small clock emblem displayed in the lower-right corner of the preview. read more

In this article, we’ll discuss graphical environments. One of the advantages of Linux is that you have lots of choices, and you can select a graphical interface and customize it to work just the way you like it.

The Rochester Mini Maker Faire is an annual event that takes place at the Joseph A. Floreano Riverside Convention Center in Rochester, NY. Each year, makers, creators, artists, and others from upstate New York and beyond show their crafts and creations to the community. Open source tools are popular at the Rochester Mini Maker Faire, where you'll find countless Raspberry Pis, Arduino boards, and open source-powered projects and creations. read more

Kubernetes, the cloud container orchestration program, expands even further and has grown more stable.

Back in the stone age of the Internet when I first created my first business website, life was good. I installed Apache and created a few simple HTML pages that stated a few important things about my business and gave important information like an overview of my product and how to contact me. It was a static website because the content seldom changed. Maintenance was simple because of the unchanging nature of my site. read more

IETF RFC writes-out weak Diffie-Hellman A recent Request for Comment at the Internet Engineering Task Force calls for SSH developers to deprecate 1,024-bit moduli.…

When I first discovered open source, the idea of building a business around it seemed counterintuitive. However, as I grew more familiar with the movement, I realized that open source software companies were not an anomaly, rather a result of the freedoms open source offers. As GNU project founder Richard Stallman said of free software, it's "a matter of liberty, not price." Open source is, above all, about the unhindered liberty to create. read more

If you use Firefox instead of Chrome, do you do so because you prefer Mozilla's stance on privacy? Some loyal Firefox users and even employees were up in arms after Mozilla surreptitiously installed the add-on Looking Glass last week. It didn't happen to all Firefox users, but the ones affected did not give the browser permission to install it.