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How to bring good fortune to your Linux terminal

lun, 12/03/2018 - 09:00

It's December, and if you haven't found a tech advent calendar that sparks your fancy yet, well, maybe this one will do the trick. Every day, from now to the 24th, we're bringing you a different Linux command-line toy. What's a command-line toy, you ask? It could be a game or any simple diversion to bring a little happiness to your terminal.

You may have seen some of these before. We hope you'll find something new, too. Either way, we hope you have fun following along.


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Drive a locomotive through your Linux terminal

dim, 12/02/2018 - 09:00

It's December, and every Linux terminal user deserves a reward just for making through the year. So we're bringing you a sort of advent calendar of Linux command-line toys. What's a command-line toy? It might be a game, a pointless little time waster, or just something to bring you joy at the terminal.

Today's Linux command-line toy is a suggestion from Opensource.com community moderator Ben Cotton. Ben suggested sl, which is short for steam locomotive.


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Box yourself in on the Linux command line

sam, 12/01/2018 - 09:00

It's the holiday season, and every Linux terminal user deserves a little gift. It doesn't matter whether you celebrate Christmas, another holiday, or nothing at all. So I'm gathering together a collection of 24 Linux command-line toys over the next few weeks for you to enjoy and share with your friends. Let's have a little fun and add a little joy to a month that, at least here in the northern hemisphere, can be a little bit cold and dreary.


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How to expand your Joomla site's features with extensions

ven, 11/30/2018 - 09:02

Joomla, which independent review site CMS Critic named the Best Free CMS of 2018, is one of the world's most popular website content management systems (CMSes). Like WordPress, Joomla can usually be installed in less than a minute with its web host installer tools.


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Create a sliding drawer interface in Android

ven, 11/30/2018 - 09:01

Applications that used Android's SlidingDrawer library enabled users to hide content offscreen, then drag it onscreen using a "handle" when they wanted to use it. Unfortunately, the library was deprecated in Android 4.2, JellyBean (API 17), but independent developers have stepped in to create alternative versions for those who miss the cool animation and better UI experience it offered.


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3 emerging tipping points in open source

ven, 11/30/2018 - 09:00

Over the last two decades, open source has been expanding into all aspects of technology—from software to hardware; from small, disruptive startups to large, boring enterprises; from open standards to open patents.


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4 open source Markdown editors

jeu, 11/29/2018 - 09:03

I do most of my writing in a text editor and format it with Markdown—articles, essays, blog posts, and much more. I'm not the only one, either. Not only do countless people write with Markdown, but there are also more than a few publishing tools built around it.

Who'd have thought that a simple way to format web documents created by John Gruber and the late Aaron Schwartz would become so popular?


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9 top tech recruiting mistakes to avoid

jeu, 11/29/2018 - 09:02

Some of my best friends and colleagues are tech recruiters, and a bunch of my favorite humans are on the job hunt. With these fine folks in mind, I decided to help them connect by finding out what kinds of recruiting efforts stand out to potential hires. I reached out to my colleagues and contacts and asked them what they like (and hate) when it comes to recruiting, then I rounded up a list of top tech-recruiting mistakes to avoid and best practices to use instead.


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My open source journey: From Pong to microservices

jeu, 11/29/2018 - 09:01

In 1990, I was a 9th grader living in Vietnam. I had never had access to a computer. One day my mother returned from a trip and gave me a book titled "How to program with Turbo Pascal." I was delighted—everything I read in that book made sense, and I started to write code on paper.

When the local university opened a computer lab that offered rentals, I spent all of my allowances for weeks, trying to write the classic Pong game in Pascal.


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Why giving back is important to the DevOps culture

jeu, 11/29/2018 - 09:00

In the DevOps CALMS model (which stands for Culture, Automation, Lean, Measurement, and Sharing), Sharing is often overlooked or misunderstood. While each element of CALMS is just as important as the others, sharing knowledge is something that we often neglect.


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Building custom documentation workflows with Sphinx

mer, 11/28/2018 - 09:02

Sphinx is a popular application for creating documentation, similar to JavaDoc or Jekyll. However, Sphinx's reStructured Text input allows for a higher degree of customization than those other tools.

This tutorial will explain how to customize Sphinx to suit your workflow. You can follow along using sample code on GitHub.


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Turn an old Linux desktop into a home media center

mer, 11/28/2018 - 09:01

My first attempt to set up an "entertainment PC" was back in the late 1990s, using a plain old desktop computer with a Trident ProVidia 9685 PCI graphics card. I used what was known as a "TV-out" card, which had an extra output to connect to a standard television set. The onscreen result didn't look very nice and there was no audio output. And it was ugly: I had an S-Video cable running across my living room floor to my 19" Sony Trinitron CRT TV set.


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How to test your network with PerfSONAR

mer, 11/28/2018 - 09:00

PerfSONAR is a network measurement toolkit collection for testing and sharing data on end-to-end network perfomance.

The overall benefit of using network measurement tools like PerfSONAR is they can find issues before they become a large elephant in the room that nobody wants to talk about. Specifically, with the right answers from the right tools, patching can become more stringent, network traffic can be shaped to speed connections across the board, and the network infrastructure design can be improved.


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Bio-Linux: A stable, portable scientific research Linux distribution

mar, 11/27/2018 - 09:02

Bio-Linux was introduced and detailed in a Nature Biotechnology paper in July 2006. The distribution was a group effort by the Natural Environment Research Council in the UK. As the creators and authors point out, the analysis demands of high-throughput “-omic” (genomic, proteomic, metabolomic) science has necessitated the development of integrated computing solutions to analyze the resultant mountains of experimental data.


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What the open source community means to me

mar, 11/27/2018 - 09:01

Every time I tell my friends about my hobby—which became my career as the executive director at The Document Foundation—I face lots of questions. A worldwide community? Contributors around the globe? An open source community? Can you eat that?!


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Calling for some compassion with our transparency

mar, 11/27/2018 - 09:00

Transparency is key in an open organization. This isn't a controversial statement. But is too much transparency in an organization possible?


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Python libraries for data science, command-line tools, Jenkins X, DevOps, Perl 6, and more

lun, 11/26/2018 - 17:30

On Opensource.com, we have a lot of reasons to be thankful. Over the past 12 months, we've had the pleasure of working with writers from a range of open source communities, organizations, and projects. We've had ongoing relationships and friendships with many of them, plus we've enjoyed welcoming dozens of new contributors to the site and new moderators to our community moderator program.


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How many programming languages is too many for one project?

lun, 11/26/2018 - 09:03

One great thing about programming languages is that there is such diversity that you can choose the best one to solve any given problem. But sometimes the worst thing can be when projects take advantage of this and build applications or systems of applications that require domain knowledge of many different languages. When this happens, it can be difficult for everyone, or even anyone, to fully understand the scope of the project.


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I've got 99 problems but Linux ain't one

lun, 11/26/2018 - 09:02

As the global technology evangelist director of Red Hat’s portfolio product marketing group, I have a secondary focus on portfolio architectures. I research customer successes in solution implementation using our open source technologies, then produce generic higher-level architectural content so that others may benefit from these real-life experiences.


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How to use multiple programming languages without losing your mind

lun, 11/26/2018 - 09:00

With all the different programming languages available today, many organizations have become digital polyglots. Open source opens up a world of languages and technology stacks developers can use to accomplish their tasks, including developing and supporting legacy and modern software applications.


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