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How to create reproducible build environments with Rebuild

OpenSource.com - Wed, 08/30/2017 - 02:01

Building modern software in a predictable and repeatable way isn't easy. The overwhelming number of software dependencies and the need to isolate conflicting components presents numerous challenges in managing build environments.

Although there are many tools aimed at mitigating this challenge, there are two approaches most of them take: either they rely on package managers to preserve and replicate package sets, or they use virtual or physical machines with preconfigured environments.


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Categories: OpenSource

What you should know about CephFS

OpenSource.com - Tue, 08/29/2017 - 02:02

Today, new storage system interfaces are created regularly to resolve emerging challenges in distributed storage. For example, Amazon Simple Storage Service [S3] (an opaque object store) and Amazon Elastic Block Storage [EBS] (a virtual machine image provider) both provide an essential, scalable storage service within a cloud ecosystem; however even with these new technologies, the conventional file system remains the most-widely used storage interface in computing.


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Categories: OpenSource

Create versatile visualizations with D3 and Angular

OpenSource.com - Tue, 08/29/2017 - 02:02

Our world is based on data. We gather it everywhere: forms, feedback, learning techniques, data mining, etc. When it comes to working with that data, we need to do more than show numbers back to our users; we need to make it easy for them to understand what the numbers mean.


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Categories: OpenSource

How a leader can move forward without consensus

OpenSource.com - Tue, 08/29/2017 - 02:00

Open organizations depend on collaboration and inclusion, so when it comes to making decisions, it's natural to wonder how much time and energy we ought to spend in the pursuit of alignment and consensus-building.

Openness and transparency are infused into everything we do at Red Hat, from the way we create technology to our methods of communication. We are a mission-based, purpose-driven organization, and that means company-wide alignment will always be crucial for some of our decisions.


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Categories: OpenSource

What was your first programming language?

OpenSource.com - Tue, 08/29/2017 - 01:59

Whether you first learned to program in a classroom setting, on the job, or by teaching yourself, everyone who has contributed code to an open source project has a story of how they first picked up programming. And no matter if you still use it today, your first language played an important role in shaping your understanding of computer systems.

So which language did you begin with?


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Categories: OpenSource

We Can’t Pretend Juice Is Healthy for Babies Anymore

LifeHacker.com - Mon, 05/22/2017 - 14:00

Juice is liquid candy. Sure, it has a few more vitamins than your average can of Coke, but it also has more sugar. Your days of pretending it’s healthy are over: the American Academy of Pediatricians has finally found the guts to tell us to stop giving juice to babies.

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Categories: Hacks

What TV-Show Foods Are You Obsessed With?

LifeHacker.com - Mon, 05/22/2017 - 13:30

Happy Monday, and welcome back to to What’s Cooking?, the weekly open thread where you get to share all of your brilliant thoughts, advice, recipes, and opinions on all things edible. This week I want to chat about the fictional foods you wish were a reality, specifically iconic dishes from your favorite TV shows.

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Categories: Hacks

How to Protect Yourself Online, with Former Black-Hat Hacker Hector Monsegur

LifeHacker.com - Mon, 05/22/2017 - 13:20

This week on The Upgrade we talk with Hector Monsegur, Director of Assessment Services at Rhino Labs.

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Categories: Hacks

You Can Now Order Food on Facebook—But Do You Need To?

LifeHacker.com - Mon, 05/22/2017 - 11:00

You no longer have to peruse multiple websites (or even paper menus) or talk to someone on the phone to order takeout and delivery. Thanks to apps like Grubhub, Seamless and PostMates, ordering food is easier than ever. And now Facebook is aiming to further streamline the process: without ever leaving the app, you can…

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Categories: Hacks

A Guide to All the Best, Worst and Weirdest 2017 TV Pilots You’ll Probably Never Watch

LifeHacker.com - Mon, 05/22/2017 - 10:55

As our favorite shows begin their descent into the void (New Girl, Scandal, Girls), new shows are once again out here crying for approval. This year’s TV pilots—full of mostly white male leads and showrunners—include military dramas, medical dramas, Will & Grace and a Lucifer-produced Big Bang Theory spin-off we don’t…

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Categories: Hacks

Amazon's Blowing Out Refurbished Echo Dots For the Lowest Price Ever

LifeHacker.com - Mon, 05/22/2017 - 10:26

Amazon usually sells certified refurbished Echo Dots for $5 less than new models, but for now at least, that discount has increased to $12. Refurbished Dots still carry the same warranty as new ones, so there’s really no downside to going this route if you want to sprinkle these around your home on a budget.

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Categories: Hacks

Will It Sous Vide? Let's Pick Another Topic!

LifeHacker.com - Mon, 05/22/2017 - 10:00

Hello friends, and welcome back to another topic-picking session for Will It Sous Vide?, the weekly column where I make whatever you want me to with my immersion circulator.

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Categories: Hacks

Today's Best Deals: Anker Robotic Vacuum, FitDesk 3.0, Activewear Sale, and More

LifeHacker.com - Mon, 05/22/2017 - 08:53

A $150 robotic vacuum that’s actually good, the new FitDesk 3.0 and a mouse to ease wrist pain lead off Monday’s best deals from around the web.

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Categories: Hacks

Ward off Wrist Pain With This $15 Wireless Vertical Mouse

LifeHacker.com - Mon, 05/22/2017 - 07:29

Whether your current mouse is giving you chronic wrist pain, or you just want to try something different, this 4.3 star rated wireless ergonomic vertical mouse from Anker is only $15 today, or $5 less than usual. In addition to the clever design, it even comes with three adjustable DPI settings and forward/back…

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Categories: Hacks

How to Make Fluffy, Trendy Cloud Eggs

LifeHacker.com - Sun, 05/21/2017 - 13:40

Hello readers! Welcome to Sunday Sustenance, a new weekly column highlighting easy meals for the laziest day of the week.. Normally, I’d use this opening paragraph to say “I’m new around here”, but I have a terrible secret – I’m not. In fact, I’ve been around for a while and veterans of the Skillet comments section

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Categories: Hacks

Two Grilled-Cheese Alternatives for People Who Can't Eat Bread or Cheese

LifeHacker.com - Sat, 05/20/2017 - 14:00

If you are a person who avoids either bread or cheese, you may think that your days of experiencing melty, stretchy, grilled cheeses are behind you—but don’t be so sure. We have two options—one for people who can’t eat bread, and one for people who can’t each cheese—and each are delicious.

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Categories: Hacks

Follow These People on Twitter to Help You Understand the Trump/Russia Connection 

LifeHacker.com - Sat, 05/20/2017 - 10:00

It’s a lot, right? It’s a lot. It is a firehose of news. How are we supposed to live our lives, cook a meal, uncrimp our hunched-over necks? Even when I shut my computer, it still flashes its little light in the corner, ready to alert me to the horrors of the world like some kind of pulsing Hellmouth.

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Categories: Hacks

Ode to the Graphing Calculator

LifeHacker.com - Fri, 05/19/2017 - 16:00

The ridiculously expensive Texas Instruments graphing calculator is slowly but surely getting phased out. The times they are a-changin’ for the better, but I’m feeling nostalgic. I have some wonderful memories associated with my TIs.

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Categories: Hacks

What to Do When You Need $100, Fast 

LifeHacker.com - Fri, 05/19/2017 - 15:00

A new poll from Bloomberg suggests that almost half of Americans would have a hard time affording a $100 emergency, like a speeding ticket, medical bill, or other unexpected expense. Consider the idea that maybe this says less about the financial habits of Americans than it does our garbage economy.

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Categories: Hacks

Twitter Changed Their Privacy Policy, So Update Your Settings

LifeHacker.com - Fri, 05/19/2017 - 15:00

Twitter introduced an updated privacy policy on Wednesday that has users worried about how their private information is being tracked, stored and used. In the policy, the micro-blogging platform announced its plans to discontinue a privacy preference it previously honored, store your cookies for a longer period of…

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Categories: Hacks

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