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At the Supercomputing Conference in Denver last year, I discovered an interesting project as I walked the expo floor. A PhD student from Louisiana State University, Shayan Shams, had set up a large monitor displaying a webcam image. Overlaid on the image were colored boxes with labels. As I looked closer, I realized the labels identified objects on a table. read more

The default functionality of the Import module in digiKam can be extended by linking a Bash shell script to the import operation. This way, you can perform a wide range of actions on the imported files.

AWK is named after the last names of its authors: Alfred Aho, Peter Weinberger and Brian Kernighan. AWK is a very useful scripting language for text processing. In this tutorial, we will show you some practical examples on how to use AWK on a Linux based VPS.

Red Hat is increasingly focusing on its OpenShift container platform for enabling organization to deploy and deliver applications. OpenShift was a dominant topic at the 2018 Red Hat Summit, with a multiple announcements and pronouncements about the Kubernetes platform's future. The next major release of OpenShift is version 3.10 which is set for July. OpenShift 3.11 is currently scheduled for September, with OpenShift 3.12, which will integrate all the CoreOS components set for December.

"Every person's piece of individual information put together gives you a cloud of real knowledge." Eymund Diegel, a research coordinator for Gowanus Canal Conservancy, shares this tidbit during the first clip of the new Open Source Stories documentary, "The Science of Collective Discovery." He's setting out in a canoe on an inner-city canal that is polluted and struggling to get the help it needs.  read more

GNOME Project's Matthias Clasen announced a few moments ago the general availability of the second and last scheduled point release of the GNOME 3.28 desktop environment.

So you’ve successfully installed Ubuntu 18.04 LTS. Now what? You probably want to feel more at home with your new operating system. Here our list of things to do after installing Ubuntu 18.04 LTS.

GNOME Photos is an application for browsing, editing and organizing photos. Organizing photos just became a lot faster now that Photos supports importing directly from SD cards and connected cameras. First, install Photos  with either GNOME Software, or by using dnf along with sudo: sudo dnf install gnome-photos However, as of Fedora 28 Workstation, Photos is already […]

The twenty-five countries participating in a global standards effort to create security standards for the blockchain were surprised to find some unusual national representatives from Russia involved: employees of the FSB, the state security service that took over from the KGB.

Noting that the issue seems to have died down in recent years, and mindful of Shakespeare's observation on roses, names and smells, I wondered if anyone really cares anymore what Linux is called. So, I put the issue to a number of movers and shakers in Linux and open-source circles by asking the simple question, "Is it GNU/Linux or just plain Linux?"

Ansible is a versatile platform that has become popular for managing servers and server configurations. Today, Ansible is used heavily to deploy and test through continuous integration (CI). In the world of automated continuous integration, it’s not uncommon to have hundreds, if not thousands, of jobs running every day for testing, building, compiling, deploying, and more.

In this tutorial, we will show you how to set up Nginx High Availability cluster using Pacemaker on CentOS 7. To have an Nginx server that can operate continuously without failure for a long time, we need to configure the server with active-passive Nginx instances. Pacemaker is an open source cluster manager software that achieves maximum high availability of your services.

Netdata is an open source monitoring system for Linux servers. It provides real-time performance and health monitoring with beautiful dashboard and analytics. In this tutorial, I will show you how to monitor Nginx using Netdata on CentOS 7.

Do you ever get the funny feeling that your computer isn't quite as fast as it should be? I used to feel that way, and then I found GNU Parallel. GNU Parallel is a shell utility for executing jobs in parallel. It can parse multiple inputs, thereby running your script or command against sets of data at the same time. You can use all your CPU at last! If you've ever used xargs, you already know how to use Parallel. If you don't, then this article teaches you, along with many other use cases. read more

In this tutorial, we will explain the meaning of Secure Connection Error in WordPress and why it happens and then explain some of the methods on how to fix Secure Connection Error in WordPress.

DXVK, the awesome project to implement a Vulkan-based compatibility layer for Direct3D 11 for use with Wine has advanced further with a fresh release.

Buying CoreOS was a great move for Red Hat as it tries to become a cloud and container power using Kubernetes. But what does that mean for CoreOS? Here's the plan going forward.

A few weeks back in Dublin, Ireland, OpenStack engineers gathered from dozens of countries and companies to discuss the next release of OpenStack. This is always my favorite OpenStack event, because I get to do interviews with the various teams, to talk about what they did in the just-released version (Queens, in this case) and what they have planned for the next one (Rocky).

Mark Text is a fairly new free, open source Markdown editor for Linux, Windows and Mac. Aimed at improving your editing efficiency, the editor supports the CommonMark Spec and the GitHub Flavored Markdown Spec. The application tries not to get in your way, by using a clean interface that tries to focus on your writing and nothing more, with a seamless live preview, while still allowing you to easily access its menu or see the current file name.

After following the first four blogs in this series previewing the Cloud Foundry for Developers training course, you should have a Cloud Foundry instance to use, have the cf CLI installed, and know how to connect to your instance and run commands. Now it's time to push an app to your Cloud Foundry instance.