Tag: Miscellaneous
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How to manage storage on Linux with LVM
Posted on December 13, 2018, Level intermediate Resource Length long
An article by Seth Kenlon describing how to create, expand, and encrypt storage pools as needed with the Linux LVM utilities. There are lots of reasons to use it, especially in a data center or any place where storage requirements change over time.
Tags linux devops miscellaneous cloud open-source
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Tutorial: Route network traffic with a route table using the Azure portal
Posted on December 12, 2018, Level intermediate Resource Length long
Tutorial focusing on routing between subnets in Azure cloud. Azure routes traffic between all subnets within a virtual network, by default. You can create your own routes to override Azure's default routing. The ability to create custom routes is helpful if, for example, you want to route traffic between subnets through a network virtual appliance (NVA).
Tags linux devops miscellaneous cloud azure
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Understanding and using systemd
Posted on December 10, 2018, Level beginner Resource Length long
Older but very informative article by Carla Schroder about systemd. systemd is controversial for several reasons: It's a replacement for something that a lot of Linux users don't think needs to be replaced.
Tags linux devops miscellaneous
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Combining Amazon Aurora, Lambda, and SQS to go beyond the native capabilities of MySQL
Posted on November 26, 2018, Level intermediate Resource Length medium
David Yahalom posted on redgate Hub about innovative combination of Amazon Aurora, serverless Lambda and Simple Que Service to strecth MySQL beyond native capabilities.
Tags mysql serverless aws devops miscellaneous queues
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Single Responsibility Principle done right
Posted on November 20, 2018, Level advanced Resource Length long
Ricardo Cardin thoughts on Single Responsibility Principle (SRP). Single Responsibility Principle is one of the 5 principles defined in SOLID principles. It should help with readability, lose coupling and cohesion of your code. Ricardo considers it to be one of the most powerful among these principles, yet one of the most misleading.
Tags programming software-architecture miscellaneous
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Connecting multiple OpenShift SDNs with a network tunnel
Posted on November 16, 2018, Level intermediate Resource Length long
Very interesting post by Raffaele Spazzoli published on OpenShift blog on topic of pod communication in multiple clusters. Istio, the upstream project for Red Hat OpenShift Mesh, has an interesting feature that allows you to extend the service mesh across multiple OpenShift clusters.
Tags programming cloud miscellaneous open-source software-architecture
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NGINX Unit supports TLS and JavaScript apps with Node.js
Posted on November 3, 2018, Level beginner Resource Length medium
Nick Shadrin of NGINX, Inc. wrote this article about TLS and Nodejs apps support in NGINX Unit. NGINX Unit is a dynamic web and application server, designed to run applications in multiple languages. Unit is lightweight, polyglot, and dynamically configured via API.
Tags nginx programming iot devops miscellaneous nodejs javascript infosec
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Create an Alexa skill with serverless and a conversation
Posted on November 1, 2018, Level intermediate Resource Length medium
An article by Niklas Heidloff and Mark Sturdevant from IBM on hot Alexa skills topic. In it you will find how to create an Alexa skill with serverless and a conversation. Apart from Alexa you will also use Watson to discuss the weather, build a conversation, or choose one from a library. Watson is a question-answering computer system capable of answering questions posed in natural language, developed in IBM's DeepQA project.
Tags javascript serverless ibm bots miscellaneous nosql
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Deploying Clojure applications to Google Cloud
Posted on October 26, 2018, Level intermediate Resource Length medium
Guide by by Alexey Klochay, developer at CircleCI, focusing on continuously deploying Clojure apps to Google App Engine. At CircleCI they use Clojure heavily, but when he wanted to use it for his side projects he realized that cloud provider he was using required too much overhead for infrastructure. He started looking at alternatives that would give him CD right out of the box with as little configuration as possible.
Tags programming gcp miscellaneous google functional-programming
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JVM Profiler: open source tool for tracing distributed JVM applications at scale
Posted on October 14, 2018, Level advanced Resource Length long
Bo Yang, Nan Zhu, Felix Cheung, Xu Ning from Uber Engineering team published blog post about JVM Profiles. Data is at the heart of strategic decision-making process at Uber. Right sizing the resources allocated to Spark applications and optimizing the operational efficiency of Uber data infrastructure requires fine-grained insights about these systems, namely their resource usage patterns.
Tags programming java distributed miscellaneous monitoring queues performance streaming
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Fifty data structure and algorithms interview questions for programmers
Posted on October 13, 2018, Level beginner Resource Length long
Excellent list of curated interview questions for programmers by javinpaul. Many of programmers interviewing in large technology companies have no idea of what kind of programming interview questions to expect when you're applying. In this article author shares frequently asked programming interview questions from different interviews for programmers at different levels of experience, from people who have just graduated from college to programmers with one to two years of experience.
Tags programming learning miscellaneous career
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Intuitive explanation of Convolutional Neural Networks
Posted on September 29, 2018, Level intermediate Resource Length long
An older article by jjwalkarn about Convolutional Neural Networks. Convolutional Neural Networks (ConvNets or CNNs) are a category of Neural Networks that have proven very effective in areas such as image recognition and classification.
Tags miscellaneous data-science big-data machine-learning