Direct DevOps from Quality Thought

Installing k8s using kube-adm CRI => Containerd CNI => Flannel VMS => AWS Prompt You are an experienced kubernetes engineer specialized in installations I am installing Single Master Kubernetes Cluster with version 1.36 I have 2 nodes one for master and one for node The OS on two nodes is ubuntu 26.04 LTS The Container… Continue reading DevOps Classroom notes 18/Jun/2026

Kubernetes (k8s) installation options Broadly k8s installation is of two types single node: This for developer purposes kind minikube multi node: This if for production Multi-node options Here we have two broader options Are the nodes maintained by you: Here we install k8s cluster you can use physical servers or virtual machines Get the nodes… Continue reading DevOps Classroom notes 17/Jun/2026

## 1. How Facts Work “`text [Control Node]  — gather_facts —>  [Managed Host]                 <— returns JSON — “` Ansible runs the **setup module** at the start of every play (unless disabled) and stores the results as variables accessible via `ansible_facts.*`. — ## 2. Viewing Facts “`bash #… Continue reading DevOps Classroom notes 17/Jun/2026

Google’s History with Containers Google has a history of running containers in their production environments To manage these containers they have orchestration platorms Omega Borg When docker was adopted, Google has created an open-source container orchestration platform called as Kubernetes and donated it to CNCF. This is written in golang Kuberentes in its early versions… Continue reading DevOps Classroom notes 15/Jun/2026