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Author: ddevalco

Raspberry Pi Kubernetes Cluster with Docker

Raspberry Pi Kubernetes Cluster with Docker

Recently setup a small four node Raspberry Pi cluster for the purposes of playing with Kubernetes and getting some much needed exposure with it. I set out with a simple mission, get an nginx (website) docker container running within the Kubernetes node. This would give me exposure to setting up Kubernetes (master with three nodes) as well as managing Docker containers within or alongside K8 (Kubernetes). Raspberry Pi Cluster I have four raspberry pi’s setup on the network which all…

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REST Client – Visual Studio Code

REST Client – Visual Studio Code

My days of working in a shell client appear to be far behind me. These days I seem to spend most of my time in Visual Studio Code, quite possibly one of the best things Microsoft has put out in some time. Spend a fair amount of my day working on playbooks or python scripts and more importantly interacting with APIs. A good amount has been written about tools such as Postman, which is quite good but also a bit…

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USB Light Indicator with Ansible on Raspberry Pi Cluster

USB Light Indicator with Ansible on Raspberry Pi Cluster

Recently built a small Raspberry Pi cluster that I’m using as a lab for some Ansible automation testing. After seeing the work that Jeff Geerling had done with his “Dramble” cluster it inspired me to also want to leverage a USB light as an indicator on the hosts as tasks were being performed with Ansible. I have to admit though, I’m fairly lazy and didn’t want to build a USB light so I set out searching for some hopefully cheap…

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JNCIA-DevOps: Junos Automation Stack and DevOps Concepts

JNCIA-DevOps: Junos Automation Stack and DevOps Concepts

JNCIA-DevOps: Junos Automation Stack and DevOps Concepts Identify concepts and general features of Junos automation and DevOps. Automation tools Automation frameworks Automation APIs DevOps culture, practices, and tools   The following questions and content come from the Juniper Genius JNCIA-DevOps Practice Exam.  I simply copied them over for my own notes and to source additional material on each question.  The questions aren’t enough obviously, you have to know the topics the questions are covering so further studying is required from…

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