Tags: developer

How Facebook Made a Universal Open Source Language for the Web

A more flexible alternative called Graph Query Language, developed by Facebook, is spreading fast and has won over companies ranging from GitHub to Audi. GraphQL is heavily inspired by another language called Facebook Query Language, which in turn was based on Structured Query Language, the well-...
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3 Aging IT Specialties that Just Won't Retire

If your organization has a point-of-sale system running on technology that is older than you care to admit in public, well, you’re not alone. Baby Boomers are retiring and taking with them the skills to run legacy technologies upon which organizations still (amazingly) rely – from AS/400 wrangling...
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Kubernetes
Operators can help you extend Kubernetes functionality to include managing any stateful applications your organization uses; learn more in this tutorial.

Demystifying Kubernetes Operators with the Operator SDK: Part 1

You may have heard about the concept of custom Operators in Kubernetes. You may have even read about the CoreOS operator-sdk, or tried walking through the setup. The concept is cool: Operators can help you extend Kubernetes functionality to include managing any stateful applications your...
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The State of Docker Container Documentation

We need to confront container documentation as the crucial, non-trivial problem that it is. TL;DR — As far as I can tell, there’s currently no way of providing documentation for specific containers that we could fairly call canonical, “best practice,” or even all that widely used. This blog post...
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Get detailed, step-by-step instructions showing exactly how to deploy Hyperledger Fabric on Kubernetes in this follow-up to our recent webinar.

How to Deploy Hyperledger Fabric on Kubernetes - Part II

We recently hosted a webinar about deploying Hyperledger Fabric on Kubernetes. It was taught by Alejandro (Sasha) Vicente Grabovetsky and Nicola Paoli from AID:Tech. The webinar contained a detailed, step-by-step instruction showing exactly how to deploy Hyperledger Fabric on Kubernetes. For those...
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Gaining eBPF Vision: A New Way to Trace Linux Filesystem Disk Requests

A real-world use case of eBPF tracing to understand file access patterns in the Linux kernel and optimize large applications. By Gabriel Krisman Bertazi, Software Engineer at Collabora. When Brendan Gregg gave his Performance Analysis superpowers with Linux BPF talk during the Open Source Summit in...
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Kubernetes in Production vs. Kubernetes in Development: 4 Myths

We recently cleared up some of the common misunderstandings people have about Kubernetes as they start experimenting with it. One of the biggest misunderstandings, though, deserves its own story: Running Kubernetes in production is pretty much the same as running Kubernetes in a dev or test...
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ELC
Paulus Schoutsen originally created Python-based Home Assistant as a simple script to turn on the lights. Learn how it has grown in this presentation from the 2016 Embedded Linux Conference.

Home Assistant: The Python Approach to Home Automation

A number of home automation platforms support Python as an extension, but if you’re a real Python fiend, you’ll probably want Home Assistant, which places the programming language front and center. Paulus Schoutsen created Home Assistant in 2013 “as a simple script to turn on the lights when the...
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The State of the Octoverse: Top Programming Languages of 2018

At the core of every technology on GitHub is a programming language. In this year’s Octoverse report, we published a brief analysis of which ones were best represented or trending on GitHub. In this post, we’ll take a deeper dive into why—and where—top programming languages are popular. There are...
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Learn Node.js, Unit 3: A tour of Node.js

Node is often described as “JavaScript on the server”, but that doesn’t quite do it justice. In fact, any description of Node.js I can offer will be unfairly reductionist, so let me start with the one provided by the Node team: “Node.js is a JavaScript runtime built on Chrome’s V8 JavaScript engine...
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