https://k8s-school.fr/labs/k8s/en/tags/cka/index.htmlHugoenCopyright (c) 2025 Fabrice Jammes - Licensed under CC BY-SA 4.0Sat, 22 Nov 2025 14:15:26 +1000https://k8s-school.fr/labs/k8s/en/certifications/introduction/index.htmlSat, 21 Sep 2024 14:15:26 +1000https://k8s-school.fr/labs/k8s/en/certifications/introduction/index.htmlKubernetes Certifications The Cloud Native Computing Foundation offers three major certifications to validate your skills and expertise in managing Kubernetes clusters. These certifications are recognized worldwide and help validate your knowledge with recruiters and companies. CKA (Certified Kubernetes Administrator) The CKA is intended for system administrators who want to demonstrate their mastery of Kubernetes cluster administration. It covers essential aspects of managing and operating a Kubernetes cluster.https://k8s-school.fr/labs/k8s/en/certifications/tipsandtricks/index.htmlSat, 22 Nov 2025 14:15:26 +1000https://k8s-school.fr/labs/k8s/en/certifications/tipsandtricks/index.htmlBefore the Exam Important Instructions Agree to Global Candidate Agreement Get Candidate Handbook Read the Important Instructions System Compatibility Check All information is on this page of the Linux Foundation site, to be done a few days before the exam.https://k8s-school.fr/labs/k8s/en/1_labs/kubeadm/index.htmlMon, 27 Jan 2020 14:15:26 +1000https://k8s-school.fr/labs/k8s/en/1_labs/kubeadm/index.htmlAuteur: Fabrice JAMMES (LinkedIn). Date: Jan 27, 2020 · 10 min read This article explains how to install Kubernetes with kubeadm, the official Kubernetes installer. It is inspired by the official documentation, while declining it for Ubuntu and simplifying it. It has been successfully tested with Kubernetes 1.31.0 Pre-requisites: Infrastructure One or more machines running Ubuntu LTS, with administrator access ( sudo) 2 GB or more of RAM per machine 2 or more processors on the master node Full network connectivity between all machines in the cluster The ‘size-of-master-and-master-components’ documentation define some guidelines on how to size your masters nodes depending on the total number of your Kubernetes nodes.https://k8s-school.fr/labs/k8s/en/1_labs/rbac-secissue/index.htmlThu, 06 Jun 2024 14:15:26 +1000https://k8s-school.fr/labs/k8s/en/1_labs/rbac-secissue/index.htmlExercice: find RBAC security issue Connect to Kubernetes: ktbx desk kubectx kind-kind Then use: https://github.com/alcideio/rbac-tool https://github.com/kubescape/kubescape https://github.com/corneliusweig/rakkess To find the RBAC security issue in the cluster.https://k8s-school.fr/labs/k8s/en/1_labs/mongo/index.htmlTue, 25 Feb 2025 14:15:26 +1000https://k8s-school.fr/labs/k8s/en/1_labs/mongo/index.htmlSemi-Manual Installation Create a MongoDB StatefulSet. Apply the mongo-simple.yaml file to create the StatefulSet. Then apply the mongo-service.yaml file to create the headless service. Check that the pods start in order. Start a shell in an Ubuntu pod (kubectl run -i --rm --tty shell --image=ubuntu:24.04 -- bash), install nslookup or dig, and attempt a DNS resolution of: mongo mongo-1.mongo What do you observe?