News Category: DevOps

Docker Networking and DNS: The Good, The Bad, And The Ugly

Docker SDN (Software Defined Network) already exists for quite some time. What is new, starting from the release 1.11, is the addition of DNS round-robin load balancing. That is both a reason for celebration and an opportunity to explore Docker networking and DNS. We’ll explore internal and...
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Demystifying Containers for a Better DevOps Experience

Working with containers in the enterprise often can seem daunting to a business which has no experience with them. Developers and DevOps teams alike can benefit from implementing containers into their infrastructure and pipeline, as a solid container-based development workflow not only allows for...
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Distributed Tracing — The Most Wanted and Missed Tool in the Microservice World

We, as engineers, always wanted to simplify and automate things. This is something in our nature. That’s how our brains work. That’s how procedural programming was born. After some time, the next level of evolution was object oriented programming. The idea was always the same. Take something big...
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Auto-Scale Everything

If you’ve never received a message like this from your cloud provider, consider yourself lucky, because you will eventually: Dear Amazon EC2 Customer, One or more of your Amazon EC2 instances is scheduled for maintenance on 2016–01–01 for 2 hours starting at 05:00 UTC. During this time, the...
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OpenStack for NFV Applications: SR-IOV and PCI Passthrough

Network Function Virtualisation (NFV) initiatives in the telecommunication industry require specific OpenStack functionalities enabled. Without entering into the details of the NFV specifications, the goal in OpenStack is to optimise network, memory and CPU performance on the running instances. In...
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Bimodal IT: And Other Snakeoil

“Bimodal IT is the practise of managing two separate, coherent modes of IT delivery, one focused on stability and the other on agility.  Mode 1 is traditional and sequential, emphasizing safety and accuracy.  Mode 2 is exploratory and non-linear, emphasizing agility and speed.” So your Mode 1...
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Container Orchestration and Scheduling: Herding Computational Cattle

In the world of cloud-native container platforms, the orchestration and scheduler frameworks perform all of these roles for our application “cattle.” The best application “farmers” maximize resource utilization while balancing the constantly changing demands on their systems with the need for fault...
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Containers as a Service tools provide a framework to manage container and application deployment.

5 Container as a Service Tools You Should Know About

In a previous article on next-generation cloud technologies, I mentioned Containers as a Service (CaaS), which provides a framework to manage container and application deployment. Brendan Burns, Google’s lead engineer for Kubernetes, introduced CaaS as a term for container platforms in his talk at...
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Developer Certificate of Origin versus Contributor License Agreements

I am in favor of using contributor license agreements (CLA) for opensource projects that are expected to be developed in the long run, especially when you develop them as part of your professional activities. That being said, using a CLA is not always a practical option as it adds a bit of...
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Jenkins 2.0 Adds Pipeline-as-Code for Continuous Delivery

On Tuesday, CloudBees — the steward of commercial Jenkins — announced general availability of Jenkins 2.0 to the community. With this release comes the first officially supported implementation of one domain-specific language (DSL) for the coding of pipelines for continuous delivery — for “pipeline...
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