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The traditional file system-and-database web backend is no longer adequate, and must make way for storage systems that manage unstructured data. In this article we will learn about the differences between structured and unstructured data, and why web storage backends must evolve to manage unstructured data.
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Doing for User Space What We Did for Kernel Space
I believe the best and worst thing about Linux is its hard distinction
between kernel space and user
space.
4 open source tools I used to write a Linux book
I spent the past year or so writing Learn Linux in a Month of Lunches, which is designed to introduce desktop Linux to non-technical users. This is a rundown of the tools I used to create the book, with the HUGE caveat that tools are just that—tools. They don't actually do any work or planning for you. However, the right tools make the work much easier. These are the tools that were right for me.
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Learn about process management on Linux: how to shuffle processes between
foreground and background, find out what's running, kill processes, keep processes
running after you've left for the day, and multitask in a terminal window. You can use
the material in this tutorial to study for the Linux Professional Institute LPIC-1: Linux
Server Professional Certification exam 101, or just to learn for fun.
Open source SSH clients
The Secure Shell (SSH) protocol allows users to connect remotely to a machine using encrypted communications. It’s normal to use this protocol to work in a network environment. In Fedora, you can use the default client for SSH connections, OpenSSH.... Continue Reading →
ViewSonic taps Raspberry Pi 3 for $89 thin client system
ViewSonic’s $89, VESA-mountable “SC-T25” thin client runs the Linux-based VTOS distro on a Raspberry Pi 3, and is optimized for Citrix HDX. ViewSonic has offered several low-cost thin clients in recent years, such as the $199 SC-U25, a collaboration with Userful.
Arduino 101 gains faster compiler, better Curie support
Intel and Arduino LLC have updated the Zephyr RTOS core of its Curie/Quark driven, BLE-ready Arduino 101 board, featuring a faster compiler. Last October, Intel and Arduino LLC announced their jointly developed Arduino 101, an Arduino Uno compatible board known as the Genuino 101 outside the U.S. Intel shipped it in January, and on April […]
SourceClear Open
Open source and DevOps have been a boon to software development.
Building a water collection vessel from scratch
My team from Singapore Polytechnic made a water collection vessel for the module Engineering & Design, as part of the Engineering Academy program. The team consisted of four members from different disciplines: Thomas and Ryan from the Diploma in Mechanical Engineering, and Hwee Peng and myself, Ajay, from the Diploma in Electrical and Electronic Engineering. The project took several months to complete, from December 2015 to February 2016.
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Celebrated eye hospital Moorfields lets Google eyeball 1 million scans
Access granted to DeepMind for historic data. What consent?
Famous eye hospital Moorfields has agreed to give Google’s DeepMind access to one million anonymous eye scans as a part of a machine learning study intended to spot early signs of sight loss.…
Apache Mesos for Beginners: 3 Videos to Help You Get Started
How do you get started learning Apache Mesos? In this series highlighting presentations from MesosCon North America, we have showcased several large complex Mesos projects that elegantly solve difficult problems (see Mesos Large-Scale Solutions, below).
Managing your containers at Google scale
The tooling around Linux containers has matured to the point that they are now a viable method of software packaging and deployment. The developer side of the containers equation has gotten a lot of emphasis. However, in order for containers to be a complete solution, they must not only be easy to build, but easy to deploy reliably at scale.
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Running JMeter with Jenkins
Continuous integration is an essential part of the software development lifecycle, and performance monitoring is a key part of continuous integration. We will learn how to set up performance monitoring with the popular Jenkins automation server, and Apache JMeter load and performance tester.
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KDE Plasma 5.7
This release brings Plasma closer to the new windowing system Wayland. Wayland is the successor of the decades-old X11 windowing system and brings many improvements, especially when it comes to tear-free and flicker-free rendering as well as security. The development of Plasma 5.7 for Wayland focused on quality in the Wayland compositor KWin.
Linux letting go: 32-bit builds on the way out
Ubuntu joins calls for users to let go of i386 versions
Major Linux distributions are in agreement: it's time to stop developing new versions for 32-bit processors.…
Javier Igea: How do you Fedora?
We recently interviewed Javier Igea on how he uses Fedora. This is part of a series on the Fedora Magazine where we profile Fedora users and how they use Fedora to get things done. If you are interested in being... Continue Reading →
GitHub project analysis, 3D printed prosthetics, and more open source news
In this week's edition of our open source news roundup, we take a look at GitHub project analysis, 3D printed prosthetics, a microbiome forecasting algorithm, and more!
Open source news roundup for June 26-July 2, 2016
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An eight minute upgrade, motivating documentation contributions, and more OpenStack news
Are you interested in keeping track of what is happening in the open source cloud? Opensource.com is your source for news in OpenStack, the open source cloud infrastructure project.
OpenStack around the web
There is a lot of interesting stuff being written about OpenStack. Here's a sampling from some of our favorites:
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FTP server with PureFTPd and MariaDB virtual users (incl. Quota and Bandwidth Management) on CentOS 7.2
This document describes how to install a PureFTPd server that uses virtual users from a MariaDB (MySQL compatible) database instead of real system users. This is much more performant and allows to have thousands of FTP users on a single machine. In addition to that, I will show the use of quota and upload/download bandwidth limits with this setup. Passwords will be stored encrypted as MD5 strings in the database.
Top 10 Raspberry Pi add-on boards
Did you know you can adorn your Raspberry Pi with HATs? Of course we're not talking about hats like people put on their heads, but rather HATs: "hardware attached on top". These are add-on circuit boards and accessories that add functionality to your Raspberry Pi.
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