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readme.md

@@ -193,11 +193,12 @@ Items with :green_heart: indicate open source projects.
 - :green_heart:[Kubernetes The Hard Way](https://github.com/kelseyhightower/kubernetes-the-hard-way) :fire::fire::fire::fire::fire: - Kubernetes The Hard Way guides you through bootstrapping a highly available Kubernetes cluster with end-to-end encryption between components and RBAC authentication.
 - [Troubleshooting Kubernetes deployments](https://learnk8s.io/a/troubleshooting-kubernetes.pdf) - A flow chart to troubleshoot a kubernetes deployment in case of issues
 - [A Guide to the Kubernetes Networking Model](https://sookocheff.com/post/kubernetes/understanding-kubernetes-networking-model/) - A in-depth run-through of Kubernetes networking
-- [How to deploy a production-grade Kubernetes cluster on AWS](https://gruntwork.io/guides/kubernetes/how-to-deploy-production-grade-kubernetes-cluster-aws/#use-eks) - This guide will walk you through the process of configuring a production-grade Kubernetes cluster on AWS.
+- [Writing Your First Kubernetes Operator](https://medium.com/faun/writing-your-first-kubernetes-operator-8f3df4453234) - In this article, we’ll see how to build and deploy your first Kubernetes Operator using the Operator SDK.
+- [Production grade Kubernetes Monitoring using Prometheus](https://medium.com/faun/production-grade-kubernetes-monitoring-using-prometheus-78144b835b60) - A in-depth guide to deploy Prometheus monitoring solution.
+- [Configuring HA Kubernetes cluster on bare metal servers with kubeadm](https://medium.com/faun/configuring-ha-kubernetes-cluster-on-bare-metal-servers-with-kubeadm-1-2-1e79f0f7857b) - A guide to standing up a HA Kubernetes cluster on bare metal servers with kubeadm.
+- [Introduction to Using Google Kubernetes Engine; Explain Like I’m Five!](https://medium.com/faun/google-kubernetes-engine-explain-like-im-five-1890e550c099) - Creating your first managed Kubernetes cluster on Google Kubernetes Engine using Terraform.
 - [Amazon EKS Best Practices Guide for Security](https://aws.github.io/aws-eks-best-practices/) - This guide provides advice about protecting information, systems, and assets that are reliant on EKS while delivering business value through risk assessments and mitigation strategies.
 - [Amazon EKS Node Drainer](https://github.com/aws-samples/amazon-k8s-node-drainer) - A guide and an example to cordon and evict all evictable pods from an EC2 node being terminated.
-- [Amazon EKS Workshop](https://www.eksworkshop.com/) - A comprehensive guide and list of tutorials to work with Amazon EKS.
-- [Moduler and Scalable Amazon EKS Architecture](https://s3.amazonaws.com/aws-quickstart/quickstart-amazon-eks/doc/amazon-eks-architecture.pdf) - A deployment guide that provides step-by-step instructions for deploying Amazon EKS clusters. 
 
 ### Blogs and Videos
 - [10 most common mistakes using kubernetes](https://blog.pipetail.io/posts/2020-05-04-most-common-mistakes-k8s/)
@@ -205,6 +206,7 @@ Items with :green_heart: indicate open source projects.
 - [Kubernetes at Reddit: Tales from Production](https://youtu.be/WTbIBqNcjoQ)
 - [Life of a Packet](https://www.youtube.com/watch?v=0Omvgd7Hg1I)
 - [How the Department of Defense Moved to Kubernetes and Istio](https://www.youtube.com/watch?v=YjZ4AZ7hRM0)
+- [OPA Deep Dive](https://www.youtube.com/watch?v=Uj2N9S58GLU)
 
 ### Learnings and Documentations
 - [Kubernetes API Reference Docs](https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.18/)
@@ -221,6 +223,8 @@ Items with :green_heart: indicate open source projects.
 - [Example: Deploying Cassandra with a StatefulSet](https://kubernetes.io/docs/tutorials/stateful-application/cassandra/) - This tutorial shows you how to run Apache Cassandra on Kubernetes. Cassandra, a database, needs persistent storage to provide data durability.
 - [Running ZooKeeper, A Distributed System Coordinator](https://kubernetes.io/docs/tutorials/stateful-application/zookeeper/) - This tutorial demonstrates running Apache Zookeeper on Kubernetes using StatefulSets, PodDisruptionBudgets, and PodAntiAffinity.
 - [Set Up a CI/CD Pipeline with Kubernetes](https://www.linux.com/audience/enterprise/set-cicd-pipeline-kubernetes-part-1-overview/) - A end-to-end guide to set up a CI/CD Pipeline with Kubernetes.
+- [How to pass the Certified Kubernetes Administrator (CKA) exam on the first attempt](https://medium.com/faun/how-to-pass-certified-kubernetes-administrator-cka-exam-on-first-attempt-36c0ceb4c9e) - A guide to pass CKA exam
+- [Webinar: K8s with OPA Gatekeeper](https://www.youtube.com/watch?v=v4wJE3I8BYM)
 
 
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