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Getting started as a GitLab contributor

jeu, 02/07/2019 - 09:00

GitLab's open culture is one of its strongest assets and the main reason I use GitLab in DevOps transformations. The community edition's code is open source and the paid version makes its source code available for contributions. These are valuable factors rooted in the company culture its CEO has diligently maintained over the years. It doesn't hurt that its tools are great, too.


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Getting started with Vim visual mode

mer, 02/06/2019 - 09:04

Ansible playbook files are text files in a YAML format. People who work regularly with them have their favorite editors and plugin extensions to make the formatting easier.

When I teach Ansible with the default editor available in most Linux distributions, I use Vim's visual mode a lot. It allows me to highlight my actions on the screen—what I am about to edit and the text manipulation task I'm doing—to make it easier for my students to learn.


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NetLogo for scientific research: Modeling

mer, 02/06/2019 - 09:01

NetLogo is an open source, cross-platform tool that enables users to model a wide variety of natural and social phenomena (including biology, chemistry, computer science, economics, physics, psychology, art, and much more). It's a great way to learn how to develop small, agent-based model simulations and explore how large and small changes can affect an environment.


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4 steps to becoming an awesome agile developer

mer, 02/06/2019 - 09:01

Enterprises are rushing into their DevOps journey through agile software development with cloud-native technologies such as Linux containers, Kubernetes, and serverless.


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What blockchain and open source communities have in common

mer, 02/06/2019 - 09:00

One of the characteristics of blockchains that gets a lot of attention is how they enable distributed trust. The topic of trust is a surprisingly complicated one. In fact, there's now an entire book devoted to the topic by Kevin Werbach.


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CFS: Completely fair process scheduling in Linux

mar, 02/05/2019 - 09:03

Linux takes a modular approach to processor scheduling in that different algorithms can be used to schedule different process types. A scheduling class specifies which scheduling policy applies to which type of process. Completely fair scheduling (CFS), which became part of the Linux 2.6.23 kernel in 2007, is the scheduling class for normal (as opposed to real-time) processes and therefore is named SCHED_NORMAL.


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7 predictions for artificial intelligence in 2019

mar, 02/05/2019 - 09:02

Without question, 2018 was a big year for artificial intelligence (AI) as it pushed even further into the mainstream, successfully automating more functionality than ever before. Companies are increasingly exploring applications for AI, and the general public has grown accustomed to interacting with the technology on a daily basis.


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How do you plan when planning is dead?

mar, 02/05/2019 - 09:01

In May 2017, Red Hat CEO Jim Whitehurst drew a stark conclusion in his keynote presentation at the annual Red Hat Summit event in San Francisco: "Planning as we know it is dead." He said those same words again during a Red Hat planning session in October of 2018, when a cross-functional group of Red Hat leaders assembled to assess the current state of the business and discuss the roadmap for the coming year.


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Top 10 FOSS legal developments of 2018

mar, 02/05/2019 - 09:00

In 2018, we saw a clear demonstration of the free and open source software (FOSS) business model's importance when IBM moved to purchase Red Hat for $34 billion. The FOSS ecosystem also celebrated its durability last year, as the Open Source Initiative (OSI) celebrated the 20th anniversary of the open source movement.


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Config management is dead: Long live Config Management Camp

lun, 02/04/2019 - 19:00

Everyone goes to FOSDEM in Brussels to learn from its massive collection of talk tracks, colloquially known as developer rooms, that run the gauntlet of curiosities, covering programming languages like Rust, Go, and Python, to special topics ranging from community, to legal, to privacy. After two days of nonstop activity, many FOSDEM attendees move on to Ghent, Belgium, to join hundreds for Configuration Management Camp (CfgMgmtCamp).


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Getting started with Git: Terminology 101

lun, 02/04/2019 - 09:03

Version control is an important tool for anyone looking to track their changes these days. It's especially helpful for programmers, sysadmins, and site reliability engineers (SREs) alike. The promise of recovering from mistakes to a known good state is a huge win and a touch friendlier than the previous strategy of adding .old to a copied file.


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Getting started with Scalar, a semantic web publishing platform

lun, 02/04/2019 - 09:01

Budget cuts at universities and the increased cost of printing journals have created a crisis in academic publishing. These factors plus the desire for open access to academic publishing have accelerated interest in alternatives to traditional print publications, such as Scalar.


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Top 5 open source network monitoring tools

lun, 02/04/2019 - 09:00

Maintaining a live network is one of a system administrator's most essential tasks, and keeping a watchful eye over connected systems is essential to keeping a network functioning at its best.


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Announcing the 2019 Opensource.com Community Awards winners

lun, 02/04/2019 - 09:00

Every year, Opensource.com awards people from our community who have excelled in contributing and sharing stories with our readers. These stories reflect how we use open source in our everyday lives, how it helps us build a better future with open technology, and how openness is changing the world.


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Free download: A guide to organizing your media files with Kodi

dim, 02/03/2019 - 15:40

Kodi is designed for organizing media files and viewing movies and shows on your TV. Originally, Kodi was used via an XBox but now most people use a Raspberry Pi or other small computer.

Download our free PDF guide (written by Steve Ovens). This download includes:


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Google and Sony Pictures Imageworks release OpenCue, LF Edge organization launches, and more news

sam, 02/02/2019 - 09:00

In this edition of our open source news roundup, we take a look at the Google and Sony Pictures Imageworks releasing OpenCue, The Linux Foundation launching LF Edge, six tips for jumpstarting open educational resources initiatives, and more.


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8 open source music players for Linux

ven, 02/01/2019 - 09:02

In the first part of this series, I write about the key requirements for an audiophile digital music player and shared the criteria I use to evaluate open source music players. Here in the second part, I'll use those criteria to help you pick the right software for your needs.


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What defines a top-tier, open source music player for Linux?

ven, 02/01/2019 - 09:01

In the two or so years I've been writing this music column, the Linux audiophile's world has evolved. New Linux distros and open source audio players have appeared, old ones have fallen by the wayside, a lot more music is available as high-quality digital downloads, new and high-quality playback hardware has emerged, streaming has taken off, vinyl sales continue to increase, CD and download sales continue to decrease… Therefore, it seems to be a good point to revisit my criteria for judging an open source music player and reconsider the players I've mentioned in the past.


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How to start and organize a Kubernetes meetup

ven, 02/01/2019 - 09:00

The rise of microservices and containers have given birth to thousands of different open source projects. Many of them are hosted by the Cloud Native Computing Foundation (CNCF), with Kubernetes probably the best-known.


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