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Fun on the Linux command-line, Ansible, DevOps, best books, and more

il y a 4 heures 34 min

The first few installments in our 24 days of fun Linux command-line tricks dominated our top 10 list last week. 

Do you have a suggestion for the list? Leave a comment on one of the articles or shoot us a note: open@opensource.com.

Stay up on what's going on with Opensource.com by subscribing to our highlights newsletter.


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When Linux required installation parties

il y a 14 heures 57 min

I studied math in college. Back then, ordinarily, math students didn't have access to the computer lab; pen and paper were all we needed to do our work. But for my one required programming class, I got access to the college computer lab.

It was running SunOS with remote X terminals (this was circa 1996). I immediately fell in love with Unix. I fell in love with the command line, X Windows, the utilities—all of it.


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How to build deep learning inference through Knative serverless framework

il y a 14 heures 58 min

Deep learning is gaining tremendous momentum in certain academic and industry circles. Inference—the capability to retrieve information from real-world data based on pre-trained models—is at the core of deep learning applications.


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How to get started in AI

il y a 14 heures 59 min

I've both asked and been asked about the best way to learn more about artificial intelligence (AI). What should I read? What should I watch? I'll get to that. But, first, it's useful to break down this question, given that AI covers a lot of territory.

One important distinction to draw is between the research side of AI and the applied side. Cassie Kozyrkov of Google drew this distinction in a talk at the recent O'Reilly Artificial Intelligence Conference in London, and it's a good one.


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Snake your way across your Linux terminal

il y a 14 heures 59 min

Welcome back to the Linux command-line toys advent calendar. If this is your first visit to the series, you might be asking yourself what a command-line toy even is. It's hard to say exactly, but my definition is anything that helps you have fun at the terminal.

We've been on a roll with games over the weekend, and it was fun, so let's look at one more game today, Snake!


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Powers of two, powers of Linux: 2048 at the command line

dim, 12/09/2018 - 09:00

Hello and welcome to today's installment of the Linux command-line toys advent calendar. Every day, we look at a different toy for your terminal: it could be a game or any simple diversion that helps you have fun.

Maybe you have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone.


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Optimizing Kubernetes resource allocation in production

dim, 12/09/2018 - 09:00

My first day with Kubernetes involved dockerizing an application and deploying it to a production cluster. I was migrating one of Buffer's highest throughput (and low-risk) endpoints out of a monolithic application. This particular endpoint was causing growing pains and would occasionally impact other, higher priority traffic.


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Saving lives with open source, RISC-V and Linux Foundations team up, and more news

sam, 12/08/2018 - 09:00

In this edition of our open source news roundup, we take a look RISC-V and Linux Foundations teaming up, open source tool for choosing chemotherapy drugs, Albania implements LibreOffice, and more!


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Play Tetris at your Linux terminal

sam, 12/08/2018 - 09:00

Thanks for joining us for today's installment 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. Even I'm not quite sure, but generally, it could be a game or any simple diversion that helps you have fun at the terminal.

It's quite possible that some of you will have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone.


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Plan your own holiday calendar at the Linux command line

ven, 12/07/2018 - 09:02

Welcome to today's installment 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. Even I'm not quite sure, but generally, it could be a game or any simple diversion that helps you have fun at the terminal.

It's quite possible that some of you will have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone.


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Automatic continuous development and delivery of a hybrid mobile app

ven, 12/07/2018 - 09:01

Offering a mobile app is essentially a business requirement for organizations today. One of the first steps in developing an app is to understand the different types—native, hybrid (or cross-platform), and web—so you can decide which one will best meet your needs.


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Is open source wealth distribution fair?

ven, 12/07/2018 - 09:00

If wealth is the abundance of valuable possessions, open source has a wealth of software. While no one “owns” open source, some are better than others at converting this communal wealth to personal wealth.

Many open source project maintainers who produce free open source software do not have a model for deriving income from the assets they have created. However, companies that use open source software to enhance their products and services convert this valuable asset into income.


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Take a break at the Linux command line with Nyan Cat

jeu, 12/06/2018 - 09:02

We're now on day six of the Linux command-line toys advent calendar, where we explore some of the fun, entertaining, and in some cases, utterly useless toys available for your Linux terminal. All are available under an open source license.

Will they all be unique? Yes. Will they all be unique to you? I don't know, but, chances are you'll find at least one new toy to play with by the time our advent calendar is done.


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How to view XML files in a web browser

jeu, 12/06/2018 - 09:01

Once you learn that HTML is a form of XML, you might wonder what would happen if you tried to view an XML file in a browser. The results are quite disappointing—Firefox shows you a banner at the top of the page that says, "This XML file does not appear to have any style information associated with it. The document tree is shown below." The document tree looks like the file would look in an editor:


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6 steps to optimize software delivery with value stream mapping

jeu, 12/06/2018 - 09:00

Do your efforts to improve software development fall short due to confusion and too much debate? Does your organization have a clear picture of what is achievable, and are you sure you’re moving in the right direction? Can you determine how much business value you've delivered so far? Are the bottlenecks in your process known? Do you know how to optimize your current process?


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Top 10 November must-reads: Python libraries for data science, getting started with serverless computing, command-line tools, and more

mer, 12/05/2018 - 21:40

Thanks for another fun month of content and community on Opensource.com! Last month the site brought in 1,004,107 unique visitors who generated 1,524,240 page views. We published 84 articles in November and welcomed 17 new writers:


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Bring some color to your Linux terminal with lolcat

mer, 12/05/2018 - 09:03

Today marks the fifth 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. Even I'm not quite sure, but generally, it could be a game, or any simple diversion that helps you have fun at the terminal.

It's quite possible that some of you will have seen various selections from our calendar before, but we hope there’s at least one new thing for everyone.


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5 reasons to give Linux for the holidays

mer, 12/05/2018 - 09:02

Every year around this time, people ask me about the best computer to give (or get) for the holidays. I always give the same answer: Linux. After all, if you want your recipients to be happy, why wouldn't you give them the best operating system on the planet?

Many people don't realize they have options when it comes to computer operating systems. Just recently, two friends (who didn't do their research) fell for the clever marketing and bought brand-new systems at premium prices. I'm willing to bet that within six months they'll be dissatisfied with those expensive computers.


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Testing Ansible roles with Molecule

mer, 12/05/2018 - 09:01

Test techniques play an important role in software development, and this is no different when we are talking about Infrastructure as Code (IaC).

Developers are always testing, and constant feedback is necessary to drive development. If it takes too long to get feedback on a change, your steps might be too large, making errors hard to spot. Baby steps and fast feedback are the essence of TDD (test-driven development). But how do you apply this approach to the development of ad hoc playbooks or roles?


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Blueprint for a team with a DevOps mindset

mer, 12/05/2018 - 09:00

I've had the privilege to work with some of the brightest minds and leaders in my 33 years of software engineering. I've also been fortunate to work for a manager who made me question my career daily and systematically broke down my passion—like a destructive fire sucking the oxygen out of a sealed space. It was an unnerving period, but once I broke free, I realized I had the opportunity to reflect on one of the greatest anti-patterns for effective teams.


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