Tags: Kubernetes

Red Hat Introduces Kubernetes Operators Software Development Toolkit

At Red Hat Summit in San Francisco, Red Hat introduced Kubernetes Operators to the Red Hat OpenShift ecosystem. This provides an easy path for independent software vendors (ISVs) to deliver tested and validated Kubernetes applications on OpenShift. Red Hat picked up Kubernetes Operators as part of...
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Kubernetes and Microservices: A Developers’ Movement to Make the Web Faster, Stable, and More Open

As web development has evolved, there has been a tendency to develop “monolithic” applications — that is, software that contains most or all parts of the code for a given company or service. Over time, those code bases have grown to massive sizes and become hugely complex, which has led to a wide...
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Docker for Desktop is Certified Kubernetes

“You are now Certified Kubernetes.” With this comment, Docker for Windows and Docker for Mac passed the Kubernetes conformance tests. Kubernetes has been available in Docker for Mac and Docker for Windows since January, having first being announced at DockerCon EU last year. But why is this...
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How the Kubernetes Release Team Works

As a community project, Kubernetes also has a community process for how releases are managed and delivered. At the KubeCon and CloudNativeCon Europe 2018 event, Jaice Singer DuMars, OSS Governance Program Manager, and Caleb Miles, technical program manager at Google, outlined the core process and...
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Red Hat’s CoreOS Launches a New Toolkit for Managing Kubernetes Applications

CoreOS, the Linux distribution and container management startup Red Hat acquired for $250 million earlier this year, today announced the Operator Framework, a new open source toolkit for managing Kubernetes clusters. CoreOS  first talked about operators in 2016. The general idea here is to encode...
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Cloud-Native Security Patching with DevOps Best Practices

In today’s world, the basic unit of deployment is a container image. Once you build a container image, it can’t be changed; if you want to update the image you need to rebuild a new version. When you start a container running, it’s instantiated from a container image, with the file system starting...
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This month on Linux.com, we published several cloud-related articles to help clarify a few underlying ideas as well as examine specific implementations.

Cloud Computing in Focus: Serverless, Microservices, KubeCon + CloudNativeCon, and More

Cloud computing concepts can seem as nebulous as clouds themselves, but in April, we published several cloud-related articles to help clarify a few underlying ideas and look at some specific implementations. This month, Swapnil Bhartiya tackled the subject of serverless computing with There’s a...
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Implementing Advanced Scheduling Techniques with Kubernetes

One of the advantages of using an advanced container orchestration tool like Kubernetes is the flexible scheduler. This provides a wide range of options for users to specify conditions for assigning pods to particular worker nodes that satisfy a condition, and not just based on available resources...
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Data Protection for Containers: Part I, Backup

 How do you ensure data is properly backed up and recoverable according to current policies on a Kubernetes cluster? Traditional agent-based backup software won’t work natively with a container orchestrator such as Kubernetes. A Persistent Volume (PV) may be attached to any host at any given time...
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Kubernetes StatefulSets gives you a set of resources to deal with stateful containers, such as: volumes and stable network ids; learn more in this preview from KubeCon + CloudNativeCon.

Extending Kubernetes API for Complex Stateful Applications using Operator

Conventional wisdom says you can’t run a database in a container because “Containers are stateless!” or “Databases are pointless without state!” However, this is not true any longer. We’ve been missing the right technology to support database running in a container. Then came Kubernetes 1.5, which...
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