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Jun 12

photo-1460804198264-011ca89eaa43Recently adopted by the Cloud Native Computing Foundation, Prometheus is an open-source systems monitoring and alerting toolkit, focused on supporting the operation of microservices and containers. Like any open source project, it can be augmented with additional capabilities.

Contributing to Prometheus is no different than most other open source endeavors, which, like many projects, welcomes community contributions. Let’s gain better familiarity with the process by augmenting Prometheus’ Alert Manager with a new “history” view. The first step, naturally, is to check out the contributing guidelines for the specific repository (in this case, Alert Manager‘s).

When electing to contribute to any open source project, you’ll want to ensure that you are capable of wielding the technologies used with the project — in this case, those are Go, AngularJS, SQL, etc.  Continue reading »

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Apr 26

Running a few containers? No problem. Running hundreds or thousands? Enter the container orchestrator. Let’s take a look at the characteristics of the three most popular container orchestrators and what makes them alike, yet unique.

Relax and Recharge at the Rackspace Cantina During OpenStack Summit Austin

Look for more detail in my upcoming book Developer Defined Infrastructure using Tectonic and Kubernetes.

The slides from my talk have been posted.

OpenStack Summit Austin: Container Day

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Apr 15

CIS-Docker-BenchmarkArticle originally appeared on Network World on April 15th, 2016.

Security has and continues to be an impediment to container adoption. Whether containers are less or more secure than their virtual machine counterparts is a topic of continued debate.

Like any debate, there are merits to arguments on both sides with a bit of FUD interlaced. Many efforts have been undertaken within the container ecosystem to educate adopters and improve their comprehension of available tooling and security postures within platforms and offerings—be that in the form of static analysis (image scanning), runtime vulnerability detection, provenance (image signing), fine-grained authorization, cryptographic verification, etc.
Continue reading »

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Mar 24

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Originally posted on Network World on March 24th, 2016.

For the uninitiated, Kubernetes is an opinionated framework for building distributed systems or as its tagline states “an open source system for automating deployment, scaling, and operations of applications.” While a hot topic at various conferences, Kubernetes is the sole technological focus at KubeCon. KubeCon is a conference dedicated to education and community engagement of Kubernauts (Kubernetes enthusiasts). Continue reading »

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