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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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My first FOSS love was Perl

ven, 11/23/2018 - 09:03

Set the wayback machine to 1993. I was working at a small company as a programmer and product deployment specialist. The product was COBOL-based and the OS was SCO Xenix. Both were based on open standards, but not open source. I was hired because I knew the medical software business and I had experience in several flavors of what was then called Micro-Unix. I didn't know a thing about COBOL, but that was the job opening. (PS, if you get any calls from the past: COBOL is not hard to learn.)


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How I uncovered my inner geek

ven, 11/23/2018 - 09:01

I'm beginning to feel old. A few months ago, somebody called me a "gray beard" in a comment in an IRC channel. You might have thought my lack of actual beard and the fact that they used the US spelling, rather than the correct "grey," would have meant that I was unaffected, but no, I was.


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Tech gadget gift guide, new Raspberry Pi, Linux on the desktop, and more news

ven, 11/23/2018 - 09:00

In this edition of our open source news roundup, we take a look at the Mozilla's "Privacy Not Included" gift guide, Steven J. Vaughan-Nichols's thoughts about Linux on the desktop, the release of the Raspberry Pi 3 Model A+, and more.


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More than 46k people participate in Hacktoberfest 2018

ven, 11/23/2018 - 09:00

The fifth-annual Hacktoberfest, the month-long event that encourages people around the world to contribute to open source projects during October, was a tremendous success.


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Thank a developer today: Here's how

jeu, 11/22/2018 - 09:03

In this time of giving thanks, why not include those who maintain the projects you use? I’ve written about finding who those people are in GitHub projects, but in this post I’d like to discuss how to thank them.

Giving someone a genuine "thank you" is hard. It can be awkward and make you feel vulnerable—but done right, a heartfelt thank-you can be truly meaningful. Here’s a simple, helpful script you can use on social media or in person:


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Getting started with Jenkins X

jeu, 11/22/2018 - 09:02

Jenkins X is an open source system that offers software developers continuous integration, automated testing, and continuous delivery, known as CI/CD, in Kubernetes. Jenkins X-managed projects get a complete CI/CD process with a Jenkins pipeline that builds and packages project code for deployment to Kubernetes and access to pipelines for promoting projects to staging and production environments.


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5 ways to say thanks to your DevOps team

jeu, 11/22/2018 - 09:01

My team recently got a handwritten thank you note from one of our community members. The note was extremely nice, unexpected, and made us feel good. That's the power of saying thank you. For both the giver and receiver, sharing appreciation creates an emotional connection that is gratifying and humanizing. And to be honest, with today's high-paced work environments, polarizing politics, and natural disasters, we could use a lot more thankfulness in our world.


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Failure is an option in Perl 6

jeu, 11/22/2018 - 09:00

This is the eighth in a series of articles about migrating code from Perl 5 to Perl 6. This article looks at the differences in creating and handling exceptions between Perl 5 and Perl 6.

The first part of this article describes working with exceptions in Perl 6, and the second part explains how you can create your own exceptions and how failure is an option in Perl 6.


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Coupled commands with control operators in Bash

mer, 11/21/2018 - 09:03

Simple compound commands—such as stringing several commands together in a sequence on the command line—are used often. Such commands are separated by semicolons, which define the end of a command. To create a simple series of shell commands on a single line, simply separate each command using a semicolon, like this:


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10 ways to give thanks to open source and free software maintainers

mer, 11/21/2018 - 09:01

Every day, I use high-quality software that is developed and maintained by people who do not ask for payment, who respect my freedoms, and who are generous with their time and energy.

In this season of giving thanks, I encourage those of you who also use and appreciate the work of open source and free software maintainers to express your gratitude. Here are ten ways to do that:


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DevOps is for everyone

mer, 11/21/2018 - 09:00

I've never held a job as a developer nor in operations—so what am I doing writing an article about DevOps? I've always been interested in computers and technology. I also have a passion for people, psychology, and helping others. When I first heard about DevOps, the concept piqued my interest, as it seemed to merge many of the things I was interested in, even if I don't write code.


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