Minikube Tutorials: minikube tunnel explained
How to access applications running within minikube There are two major categories of services in Kubernetes: NodePort access with Minikube A NodePort service is the most basic…
Kubernetes Tutorials: List of Components of Kubernetes
Kubernetes Cluster A Kubernetes cluster consists of control plane, worker nodes, and pods. Control plane components are: Scheduler, ETCD, API server, and control manager. Node components are…
What is Minikube?
Minikube is a lightweight Kubernetes implementation that creates a VM on your local machine and deploys a simple cluster containing only one node. Minikube is available for…
List of Tools to Setup Kubernetes Clustors
kind kind lets you run Kubernetes on your local computer. This tool requires that you have Docker installed and configured. kind is a tool for running local…
Xops Orchestration
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Install Knative with YAML using minikube
Prerequisite kn cli We need to install kn cli https://knative.dev/docs/client/install-kn/#install-the-knative-cli Knative Serving For prototyping purposes, Knative works on most local deployments of Kubernetes. For example, you can…
Minikube Tutorials: Minikube Basic Workflow
Step 1 – Start your cluster From a terminal with administrator access (but not logged in as root), run: $ minikube start –driver=virtualbox If minikube fails to…
Minikube Tutorials: Minikube installation in Windows
What you’ll need To install the latest minikube stable release on x86-64 Windows using .exe download: Step 1- Download and run the installer for the latest release. Or if using PowerShell, use this command: Step…
Chef Tutorials: Chef Infra Server & Chef Automate Backup and Restore
Chef Infra Server Backup and Restore Chef Automate Backup and Restore Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing…
Chef Tutorials: Load balancer for Chef Automate and Chef Infra
Reference Load Balancing Progress Chef Automate and Infra Server Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge,…
How to check VT-X/AMD-v enabled or not in your Laptop?
Method 1 – Using task Manager If you have Windows 10 or Windows 8 operating system, the easiest way to check is by opening up Task Manager->Performance Tab….
List of Platform Ops tools
Platform ops is an approach to scaling DevOps that involves dedicating a team to the operation of a shared self-service platform. Technical professionals should use a product…
List of GitOps Tools
What is GitOps? GitOps uses Git repositories as a single source of truth to deliver infrastructure as code. Submitted code checks the CI process, while the CD…
What is Platform Ops?
What Is a Platform? A platform encompasses a span of technologies involving different engineering stakeholders, for example, voice analytics software that has a front-end dev team, as…
Chef Tutorials: Test Kitchen Workflow and Examples
kitchen.yml Used to configure virtual environments for Test Kitchen Gemfile Bundler uses this file to configure the gem repository and the list of gems to down‐load. Bundler…
How to Install Ruby on Linux
How to Install Ruby on CentOS 7 $ sudo yum install ruby$ ruby –version How to Install Ruby on Ubuntu $ sudo apt-get install ruby-full$ ruby –version…
Chef Tutorials: What is Test Kitchen?
Use Test Kitchen to automatically test cookbooks across any combination of platforms and test suites: Bento Bento is a Chef Software project that produces base testing VirtualBox,…
Chef Tutorials: Test Kitchen – Example of kitchen.yml on AWS Ec2
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: Test Kitchen – Example of kitchen.yml using vagrant
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: Test Kitchen – Example of kitchen.yml using vagrant on ubuntu
Example of .kitchen.yml for driver_plugin vagrant with ubuntu for Chef Test Kitchen Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about…
Chef Tutorials: Test Kitchen – Example of kitchen.yml with VAGRANT and VirtualBox
How to test Chef recipes/cookbooks on your workstation with VAGRANT and VirtualBox using Test Kitchen Install Test Kitchen, VAGRANT and VirtualBox: Chef Test Kitchen: Test Kitchen is…
Chef Tutorials: Test Kitchen – Example of kitchen.yml with vagrant on Windows
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: Test Kitchen – Example of .kitchen.yml with aws ec2 on Windows
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Kubernetes Security Assesment
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Waterfall -> Agile -> Cloud Native -> Next??
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Top 10 Architecture Characteristics
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Chef Tutorials: What is Chef Solo with example programs
What is Chef Solo? chef-solo is a command that executes Chef Infra Client in a way that does not require the Chef Infra Server to converge cookbooks….
Chef Tutorials: Chef roles Tutorials and Example
What is Role? A role is a way to define certain patterns and processes that exist across nodes in an organization as belonging to a single job…
Chef Tutorials: Uninstalling Chef Software, chef-automate and chef-server
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…
Python Example Code: Find all the pairs of numbers which sum upto `k`
Rajesh KumarI’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked…