Introducing Linux Network Namespaces – Scott’s Weblog – The weblog of an IT pro specializing in virtualization, networking, open source, and cloud computing

Offering technical posts and how-to articles from an IT pro specializing in virtualization, networking, open source, & cloud computing Source: Introducing Linux Network Namespaces – Scott’s Weblog – The weblog of an IT pro specializing in virtualization, networking, open source, and cloud computing

Announcing dex, an Open Source OpenID Connect Identity Provider from CoreOS

Today we are pleased to announce a new CoreOS open source project called dex: a standards-based identity provider and authentication solution.Just about every project requires some sort of authentication and user-management. Applications need a way for users to log-in securely from a variety of platforms such as web, mobile, CLI tools and automated systems. Developers …

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How Apache Spark, Scala, and Functional Programming Made Hard Problems Easy at Barclays | Cloudera Engineering Blog

At Barclays, our team recently built an application called Insights Engine to execute an arbitrary number N of near-arbitrary SQL-like queries and execute them in a way that can scale with increasing N. The queries were non-trivial, each constituting 200-300 lines of SQL, and they were running over a large dataset for hours as Apache Hive …

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My first Vert.x 3 Application

Let’s say, you heard someone saying that Vert.x is awesome. Ok great, but you may want to try it by yourself. Well, the next natural question is “where do I start ?”. This post is a good starting point. It shows how is built a very simple vert.x application (nothing fancy), how it is tested …

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