Comprehensive Unit Test Framework for Python

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Introduction of Tekton

What is Tekton? Tekton is an open-source cloud-native framework for building continuous integration and delivery (CI/CD) systems. It lets you build, test, and deploy across multiple cloud providers or on-premises…

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Introduction of Prometheus Operator

The list is of Kubernetes Custom Resource Definitions (CRDs) related to the Prometheus Operator provided by CoreOS. The Prometheus Operator simplifies the deployment and operation of Prometheus, Alertmanager, and related monitoring components…

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Knative Tutorials – Chapter – 10 – Knative Tutorials: servicing workflow between Components

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Tutorials – Chapter 8 – Autoscaling applications with Knative

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Tutorials – Chapter 6 – Knative Code: Global Autoscaling Configuration: ConfigMaps

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Tutorials – Chapter 5 – Serving multiple versions simultaneously

The helloworld Service had a spec.runLatest field which serves all the traffic to the latest revision created form the Service’s revisionTemplate field. To test out the effects of a new version of your application, you will…

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Knative Tutorials – Chapter 3 – Install Knative with YAML using minikube

Knative Serving For prototyping purposes, Knative works on most local deployments of Kubernetes. For example, you can use a local, one-node cluster that has 3 CPUs and 4 GB of…

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Knative Tutorials – Chapter 2 – Your first Knative application

Here’s what each of these Serving APIs do: Service Describes an application on Knative. Revision Read-only snapshot of an application’s image and other settings (created by Configuration). Configuration Created by Service…

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Knative Tutorials – Chapter 1 – Install Knative Serving, Eventing Resources with Istio

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Production Ready Deployment Components

Deployment Methods– YAML-based installation – Knative Operator  Knative Networking Options– Kourier– Istio– Contour Knative DNS Options– Magic DNS (sslip.io)– Real DNS– Temporary DNS Knative Serving extensions– HPA autoscaling– TLS with cert-manager–…

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Knative Function: List of Supported Language in Knative

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Troubleshooting Knative Guide

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Knative Serving Component

1.8.5 1.9.4 1.10.2 Istio chart to be installed for knative networking Upgrade Uninstalling a networking layer Uninstalling the Serving component How to Uninstall the existing Knative Version? Rajesh KumarI’m a…

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How to install Knative Serving 1.7.4 Manually?

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Git: How to update your outdated branch?

I have 2 branch. develop and feature/KUB-23446. feature/KUB-23446 is created from develop but develop have many more changes commited from another branches. How can i update feature/KUB-23446 with latest changes…

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Kubectl Commands Reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Kubectl: Persistent Volumes PV & PersistentVolumeClaim PVC

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Serving Commands Reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Knative Eventing – Commands Reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Kapitan Commands line Reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Istio Commands Reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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Helm Commands Reference

Basic Commands Intermediate Commands Deploying a Chart to Kubernetes Cluster Retrieving information about a Release Upgrading a Release Rolling back a Release Helm Tutorials: helm show commands Rajesh KumarI’m a…

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External Secrets Operator Commands Referenece

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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ArgoCd Commands Reference

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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AWS: Getting started with AWS Cost Anomaly Detection

AWS Documentation As part of your enablement of AWS Cost Explorer, we have configured AWS Cost Anomaly Detection for your account. Cost Anomaly Detection is a cost management service that…

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Cloudbees CD RO Tutorials: DSL

URL – https://docs.cloudbees.com/docs/cloudbees-cd-api/latest/flow-api/dslabout Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

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Cloudbees CD RO Tutorials: ectool tools

The ectool is a command line interface that provides operational control over the CloudBees CD/RO system. It supports a large collection of commands, each of which translates to a message…

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Cloudbees CD/RO Interview Questions and Answer

What does CD/RO stand for in CloudBees CD/RO?a. Continuous Deployment/Release Orchestrationb. Cloud Deployment/Resource Optimizationc. Continuous Development/Resource Orchestrationd. Cloud Deployment/Release OptimizationAnswer: a Which component of CloudBees CD/RO is responsible for automating…

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Cloudbees CD RO Tutorials: Deploy Helm Chart in Kubernetes

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday Landmark, stock market…

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