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Optimize runtime performance with C++'s move semantics

mar, 09/01/2020 - 09:00

If you are allowed to choose which programming language to use for an application, you usually pick one you know and that offers the shortest path to your goal. If you require a high runtime speed, programming languages that compile directly to machine code— like C++—are your best option.


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Try Linux on your Mac with open source virtualization

lun, 08/31/2020 - 09:02

Virtualization opens up a wonderland of new opportunities for anyone, including ordinary computer users who want to try out a new operating system. Are you using a Mac but want to try Microsoft Windows? You can, with a virtualization solution. What about if you are using Windows but want to try a macOS or a Linux platform? This is also possible with virtualization.


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How a local government migrated to open source

lun, 08/31/2020 - 09:01

In 2015, the Eyüpsultan Municipality in Istanbul, Turkey, began a bold migration to adopting open source software. This involved several major changes: Linux on the desktop and major changes to the IT infrastructure, including a transition to the Zimbra email server and the PostgreSQL database.


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Ring the school bell at home on your Linux computer

lun, 08/31/2020 - 09:00

Many students are used to the bell ringing to signal the beginning of each school day, class changes, and dismissal time. There's no feeling quite like that last bell at the end of last period telling you are free to leave the building. But virtual and homeschool students probably don't get to hear that familiar ring and may even miss it. We're all trying to restore a bit of normalcy these days for the kids who may be longing for the sights, smells, and sounds of their school building.


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The power of open source during a pandemic

dim, 08/30/2020 - 09:00

When a novel coronavirus made headlines earlier this year, the world wasn't ready. In a short period of time, we all witnessed the consequences of having a global, interconnected economy unprepared for effective global collaboration. Indeed, this pandemic shed light on the under-preparedness of a truly global economy in a hyper-connected world. We didn't pay attention to the fact that a health issue in China could have an impact on both the real estate market in North Carolina and a shoe factory in Italy.


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5 open source activities for kids to try this weekend

sam, 08/29/2020 - 09:00

During the last six months or so, my family and I have enjoyed a slower pace of life. With few museums and parks open, we’ve stayed safer at home together or going on outdoor excursions. My young children are pretty good at creating their imaginary worlds where they could play for hours. I think they are adapting to this new normal better than I am to tell you the truth. However, there will be weekends when we have all run out of ideas. Luckily, Opensource.com is chock full of boredom-busters for kids of all ages.


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Use GraphQL as an API gateway to monitor microservices

ven, 08/28/2020 - 09:01

Microservices and GraphQL are a great combination, like bread and butter. They're both great on their own and even better together. Knowing the health of your microservices is important because they run important services—it would be foolish to wait until something critical breaks before diagnosing a problem. It doesn't take much effort to let GraphQL help you detect issues early.


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Why Comcast open sourced its DNS management tool

ven, 08/28/2020 - 09:00

Adoption of DevOps practices at Comcast led to increased automation and configuration of infrastructure that supports applications, back-office, data centers, and our network. These practices require teams to move fast and be self-reliant. Infrastructure is constantly turned upside down, with network traffic moved around it constantly. Good DNS record management is critical to support this level of autonomy and automation, but how can a large, diverse enterprise move quickly while safely governing its DNS assets?


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Make virtual meetings better with this OBS trick

jeu, 08/27/2020 - 09:01

Have you ever been in a web meeting where someone asks, "Can you see my screen?" or "Can you hear me?" and 400 people answer "yes" at the same time? Or even worse, nobody answers at all? Have you ever wanted to show agreement or give a confirmation on a video call without having to turn on your microphone, because you feel it might be disruptive? This happens to me often. Like when someone asks, "Does anyone have anything else for the good of the order?" and I want to say, "No, I'm good," but I don't want to speak over anyone else who has something to add.


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Use this command-line tool to find security flaws in your code

jeu, 08/27/2020 - 09:00

Testing is an important part of the software development lifecycle (SDLC), and there are several stages to it. Today, I want to talk about finding security issues in the code.


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Create and run Python apps on your Android phone

mer, 08/26/2020 - 09:02

Learning and using Python is fun. Thanks to its growing popularity, there are a plethora of ways it can be used to make the world of computing better than what it is today.


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Create and run Python apps on your Android phone

mer, 08/26/2020 - 09:02

Learning and using Python is fun. Thanks to its growing popularity, there are a plethora of ways it can be used to make the world of computing better than what it is today.


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Customize your GNOME desktop theme

mer, 08/26/2020 - 09:01

GNOME is a fairly simple and streamlined Linux graphical user interface (GUI), and a lot of users appreciate its minimalist look. Although it's pretty basic out of the box, you can customize GNOME to match your preferences. Thanks to GNOME Tweaks and the user themes extension, you can change the look and feel of the top bar, window title bars, icons, cursors, and many other UI options.


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Manage your software repositories with this open source tool

mer, 08/26/2020 - 09:00

Foreman is a robust management and automation product that provides administrators of Linux environments with enterprise-level solutions for four key scenarios: provisioning management, configuration management, patch management, and content management. A major component of the content management functionality in Foreman is provided by the Pulp project. While Pulp is an integral part of this product, it is also a standalone, free, and open source project that is making huge progress on its own.


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How to choose an affordable Linux laptop for video conferencing

mar, 08/25/2020 - 09:02

As more and more activities move online during the global pandemic, an increasing number of folks are looking for affordable and stable solutions to connect to their doctor, therapist, bank, college, and more. Many of the folks I've been working with are on limited incomes, and they're eager for any technical help they can get.


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6 open source virtualization technologies to know in 2020

mar, 08/25/2020 - 09:01

Virtualization Tools, better known as Virt Tools, is a collection of six open source virtualization tools created by various contributors to make the virtualization world a better place.


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Why we open sourced our security project

mar, 08/25/2020 - 09:00

When Nathaniel McCallum and I embarked on the project that is now called Enarx, we made one decision right at the beginning: the code for Enarx would be open source, a stance fully supported by our employer, Red Hat (see the standard disclaimer on my blog). All of it, and forever.


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Recognize more devices on Linux with this USB ID Repository

lun, 08/24/2020 - 09:01

There are thousands of USB devices on the market—keyboards, scanners, printers, mouses, and countless others that all work on Linux. Their vendor details are stored in the USB ID Repository.


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Happy 10th anniversary, OpenStack!

lun, 08/24/2020 - 09:00

OpenStack has transformed the open source industry since it launched 10 years ago. It was an endeavor to bring greater choice in cloud solutions by combining NASA's Nova with Rackspace's Swift object storage and has since grown into a strong base for open infrastructure.


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Origin stories about Unix

lun, 08/24/2020 - 09:00

Brian W. Kernighan opens his book Unix: A History and a Memoir with the line, "To understand how Unix happened, we have to understand Bell Labs, especially how it worked and the creative environment that it provided." And so begins a wonderful trip back in time, following the creation and development of early Unix with someone who was there.


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