Knoldus Blogs

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How to check Vulnurability in eks cluster using kube-bench

December 6, 2022December 6, 2022Studio-DevOpseks, Vulnerability Scanning

Reading Time: 3 minutes What is kube-bench? kube-bench is an open-source tool that checks Kubernetes is deployed securely by running and the checks documented in the CIS Kubernetes Benchmark. It is a CIS Kubernetes Benchmark tool created by AquaSecurity. kube-bench is written in GO language. Here in every section has its own test and provides the solution for the test that fails, warning and providing its summary. In the Continue Reading

How To Allow IAM User To Access EKS Resources

November 15, 2022November 17, 2022Studio-DevOpsAWS, eks

Reading Time: 3 minutes Hi Reader In this blog we are going to learn about How to Allow AWS IAM User To Access EKS Resources From AWS Console. When we create EKS Cluster by default EKS does not allow IAM users to access Its resources by AWS console. So we are going to find out the solution for how an IAM user can access EKS resources. When you try Continue Reading

How to use Docker image for multi-CPU architecture

May 6, 2022May 9, 2022Studio-DevOpsdocker, docker-image, eks, kubernetes, linux

Reading Time: 3 minutes Have you come across a situation where you were unable to run a docker container because it did not support your CPU architecture? If yes, then this is the right blog for you to follow and to allow your container to run as expected. I mostly use amd based architectures as my host machines to host my containerized applications, but I recently shifted few of Continue Reading

How to terminate TLS certificate at traefik Load Balancer

March 30, 2022March 30, 2022Studio-DevOpseks, tls, traefik

Reading Time: 4 minutes Traefik is a reverse proxy which we can use as an ingress controller for the Kubernetes. Nowadays, security is one the most important thing. So, people prefer https over http. But the challenges with https are managing the TLS certificate, renewing them. Now cert-manager solves this challenge of managing certificates. Traefik also has the built in feature where it can issue certifcate from Let’s Encrypt. Continue Reading

Karpenter : A Kubernetes Cluster AutoScaler

March 21, 2022May 12, 2022Studio-DevOpsAutoScaler, AWS, Devops, eks, eksctl, helm, Karpenter, kubernetes

Reading Time: 5 minutes Hello Readers, Today we are going to talk about Karpenter: a kubernetes cluster autoscaler but before understanding karpenter it’s good to discuss what is an autoscaler and its importance in kubernetes cluster. What is an AutoScaler? Today many organisations use kubernetes for micro services orchestration as kubernetes comes with many important features like Service Discovery, Load balancing, Self-Healing which makes it popular tools for Container Continue Reading

How to use AWS Bottlerocket

March 15, 2022March 15, 2022AWS, AWS Services, Cloud, Studio-DevOpsAWS, Bottlerocket, Devops, eks

Reading Time: 2 minutes AWS Bottlerocket is an open source, Linux-based OS. It is built specifically to run containers. It reduces the operational cost by automating updates to your container infrastructure. How is Bottlerocket different from other OS AMI’s? Bottlerocket includes only the essential software to run containers. This helps in the following: it Improves the resource usage Reduces security attack surface Reduces management overhead It also integrates with Continue Reading

AWS EKS Cluster by CloudFormation

February 21, 2022February 21, 2022Studio-DevOpsAWS, AWS Services, Cloud, cluster, eks, K8s, kubernetes, stack, Templates, yaml

Reading Time: 9 minutes This blog contains a detailed description for creating an AWS EKS Cluster by CloudFormation. We will see how we can set up this through AWS Cloud Formation with a working example. Introduction Amazon Elastic Kubernetes Cluster (EKS) is a AWS managed service which can be used to run Kubernetes in which control planes or nodes are maintained by AWS. Like any other service offered by Continue Reading

Getting started with Amazon EKS

September 13, 2021September 13, 2021Studio-ScalaAWS, Devops, eks

Reading Time: 4 minutes Amazon EKS, This guide assists you to create all of the required support to manage started with Amazon Elastic Kubernetes Service (Amazon EKS) using eksctl. Its a simple command-line utility for generating and maintaining Kubernetes clusters on Amazon EKS. At the end of this tutorial, you will have a working Amazon EKS cluster that you can deploy applications. The plans in this pattern create individual Continue Reading

Upgrade EKS to 1.16 using Terraform

June 22, 2020June 22, 2020AWS, AWS Services, Studio-DevOpsAWS, AWS Services, eks, terraform

Reading Time: 5 minutes Steps to upgrade EKS using Terraform from version 1.15 to 1.16. This blog includes upgrading EKS, Kube-Proxy, CoreDNS and Amazon VPC CNI

Upgrade EKS to 1.15 using Terraform

June 22, 2020June 22, 2020AWS, AWS Services, Studio-DevOpsAWS, eks, kubernetes, terraform

Reading Time: 3 minutes Steps to upgrade EKS using Terraform from version 1.14 to 1.15. This blog includes upgrading EKS, Kube-Proxy, CoreDNS and Amazon VPC CNI