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Have a cow at the Linux command line

mar, 12/04/2018 - 09:03

Welcome to the fourth day of the Linux command-line toys advent calendar. If this is your first visit to the series, you might be asking yourself, what’s a command-line toy. We’re figuring that out as we go, but generally, it could be a game, or any simple diversion that helps you have fun at the terminal.

Some of you will have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone. Because just about everyone who I’ve mentioned this series to has asked me about it already, today’s selection is an obligatory one.


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3 implications of serverless

mar, 12/04/2018 - 09:02

If you strip away all of the modern conveniences and features that make up your internet experience today, what you're left with is the client-server model. This distributed network was what the internet was built on in the beginning, and that part hasn't changed. You could say, it is still serving us well.

So, when people talk about serverless, what does it mean? Well, it doesn't mean servers are GONE. Of course not: That "client-server model" is still the backbone of how things are getting done.


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Top 14 Joomla extensions

mar, 12/04/2018 - 09:01

In the first part of this series, I explained how to use the Joomla Extension Directory to find extensions to expand your Joomla website's functionality. Here, I'll describe the top 14 free Joomla extensions—the ones I don't think any site should do without.

The first six tools are free site security tools.


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What is open leadership?

mar, 12/04/2018 - 09:00

Leadership works differently at Red Hat. In our open organization, people don't just receive the status of "leader" when appointed to a position or given a title. Instead, leaders earn their leadership positions when they adopt a certain combination of behaviors and mindsets.


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Wrangling programming languages, Linux command-line play, Bio-Linux, Markdown editors, and more

lun, 12/03/2018 - 20:35

Well, friends, we've almost reached the end of 2018. Before we count down to the New Year, Opensource.com is counting down 24 days of fun Linux command-line tricks. Our first three articles have already published:


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Gift a book: 8 Linux and open source recommendations

lun, 12/03/2018 - 09:02

Chances are many of you are thinking about what to get others for the upcoming holiday season as well as what to add to your own wishlist. Regardless of the reason or the season, though, these eight books are ones our writer community recommends to give and receive for any occasion or time of the year.


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Manage NTP with Chrony

lun, 12/03/2018 - 09:01

"Does anybody really know what time it is? Does anybody really care?"
Chicago, 1969


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19 tips to survive the 2019 conference season

lun, 12/03/2018 - 09:00

Looking ahead to the 2019 open source conference season is both exciting and daunting. There are so many great conferences to attend, choosing among them depends on your interests. Here are some of the larger conferences that might catch your eye:


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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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