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Stuttgart, Germany has, like many other cities, a smog problem—even if it may be less severe than in other cities. The European Union has defined a threshold of on average 50 micrograms of dust particles per cubic meter in a 24-hour window of air to be allowed for a maximum of 35 days a year. For the last few years, actual values have been much higher for more than 35 days. There are governmental stations that measure the air pollution, but they can’t be everywhere for obvious reasons.
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Linux Commands - Overview and Examples
The command line is one of the most powerful features of Linux. There exists a sea of Linux command line tools, allowing you to do almost everything you can think of doing on your Linux PC. However, this usually creates a problem: with so many commands available to use, you don't know where and how to start learning them, especially when you are beginner.
Slaying Monoliths at Netflix with Node.js
The growing number of Netflix subscribers -- nearing 85 million at the time of this Node.js Interactive talk -- has generated a number of scaling challenges for the company. In his talk, Yunong Xiao, Principal Software Engineer at Netflix, describes these challenges and explains how the company went from delivering content to a global audience on an ever-growing number of platforms, to supporting all modern browsers, gaming consoles, smart TVs, and beyond. He also looks at how this led to radically modifying their delivery framework to make it more flexible and resilient.
FreeRTOS-based remote I/O module links to IBM Bluemix and Watson IoT
Artila’s “RIO-2010BM” remote digital I/O device runs FreeRTOS on a Cortex-M3, offers isolated inputs, and supports IBM’s Bluemix and Watson IoT platforms. Like Artila Electronics’ RIO-2015PG, the RIO-2010BM is a remote I/O module that runs FreeRTOS on an MCU, and offers isolated digital I/O. The device is designed specifically for transmitting Modbus/TCP remote data to […]
How to Calculate Flash Storage TCO
Across a wide range of consumer devices, from cameras to smartphones to laptops, flash storage has become the de facto standard for digital data storage.
ARM boosts Big.Little with DynamIQ, and launches Linux dev kit
ARM unveiled a more flexible version of its Big.Little multi-core scheme called DynamIQ, and launched an Embedded Linux Education Kit based on the Udoo Neo. ARM Ltd. announced a more advanced version of its Big.Little heterogeneous multi-processing technology for balancing core loads on multi-core Cortex-A SoCs.
Non-Linux FOSS: Don't Drink the Apple Kool-Aid; Brew Your Own!
Some tools that I use on the command line are so basic and
so ingrained in my day-to-day actions that it's weird when they're not
available. This often happens to me on OS X. I love that OS X has UNIX
underpinnings. I love that the terminal window is a
real terminal
window and works like a terminal window should work.
8 Practical Examples of Linux Xargs Command for Beginners
The Linux xargs command may not be a hugely popular command line tool, but this doesn't take away the fact that it's extremely useful, especially when combined with other commands like find and grep. If you are new to xargs, and want to understand its usage, you'll be glad to know that's exactly what we'll be doing here.
Skylake industrial PC is tray cool
Janz Tec’s “Falcon Active” gives you a choice of Mini-ITX SBCs based on 6th Gen Core CPUs, and offers optimized cooling and optional hot-swap SATA. Janz Tec announced an industrial PC due in the second quarter that provides a choice of Mini-ITX mainboards running Intel’s 6th Generation “Skylake” or 7th Gen (“Kaby Lake”) Core processors. […]
Using vi-mode in your shell
As a participant in the greater open source community, and more specifically as a member of the Fedora Project, I have the opportunity to meet with many people and talk about all kinds of interesting technical topics. One of my favorites is the "command line," or shell, because learning about how people use the shell proficiently can give you an insight into how they think, what kind of workflows they favor, and to some extent what makes them tick.
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Using cloud-init to initialize Fedora Cloud VMs on oVirt
This article shows how to use cloud-init on the oVirt management platform. With cloud-init, you can start up a Fedora Cloud Base Image template, configured for network and logins, without logging into the virtual machine. What is oVirt? oVirt is a free, open-source virtualization... Continue Reading →
A Python script for fixing smart quotes in text
About six years ago, we had a question on the Scribus mail list from someone who wanted to know whether there was an automated way to convert typewriter quotation marks to typographic quotes. In case you don't know what this means, typographic quotes (for example, “ and ”) are sometimes referred to as curly quotes, rather than the incorrect versions on your typewriter (i.e., ").
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Open Labs leads 48-hour hackathon for good
The local hackerspace in Tirana, Albania might be small, but they make up for size in spirit. During the weekend of March 18-19, 2017, the Open Labs Hackerspace organized the first-ever, 48-hour "open source" hackathon focused on the United Nations Sustainable Development Goals.
Latest Linux Maker Boards Gamble on Diversity
As usual, last week’s Embedded World show in Nuremberg, Germany was primarily focused on commercial embedded single board computers (SBCs), computer-on-modules, and rugged industrial systems for the OEM market. Yet, we also saw a growing number of community-backed maker boards, which, like most of the commercial boards, run Linux.
Red Hat software-defined storage takes another step forward
Red Hat has just released Red Hat Gluster Storage 3.2.
FedEx paying five dollars to install Flash
Bribes on offer as courier's custom printing service needs Adobe's security sinkhole
FedEx is offering customers US$5 to enable Adobe Flash in their browsers.…
5 big ways AI is rapidly invading our lives
Open source projects are helping drive artificial intelligence advancements, and we can expect to hear much more about how AI impacts our lives as the technologies mature. Have you considered how AI is changing the world around you already? Let's take a look at our increasingly artificially enhanced universe and consider the bold predictions about our AI-influenced future.
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How to Use Different Linux Bash Shells in Windows 10
It’s no secret that Linux dominates the cloud, whether it’s a private cloud running on OpenStack or if it’s AWS or Microsoft Azure cloud. Microsoft itself admits that one out of three machines run Linux in Azure cloud. However, as more customers were running Linux, they needed the ability to manage their Linux systems, and Windows 10 lacked Linux tools and utilities.
This Week in Open Source News: Blockchain Helps China Go Green, Old Linux Vulnerability Exposed, and More
This week in Linux and open source news, The Linux Foundation's Hyperledger Project to help China get greener, an old Linux vulnerability surfaces, and more!
Top 5: Kubernetes on the Raspberry Pi, Securing your Raspberry Pi, and more
In this week's Top 5, we highlight Kubernetes on the Raspberry Pi, securing your Raspberry Pi, services for securing your email, making things cheaper with your 3D printer, and why users choose Linux and open source software.
Top 5 articles of the week
5. Why do you use Linux and open source software?
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