
Master Kubernetes certification exam strategy with practical tips on terminal workflows, YAML and Vim editing, kubectl commands, and namespace and context management.
Master CKAD exam strategy with practical tips on file management, kubernetes commands and help, and namespace handling, including vim configurations, aliasing, context switching, and leveraging command templates.
Learn how to install Minikube, configure the Docker driver, and use kubectl, the dashboard, and port forwarding for development-centric Kubernetes tasks.
Demonstrate a blue-green deployment in Kubernetes by creating blue (nginx) and green (httpd) deployments, exposing a single service, and switching traffic with selector edits.
Implement a canary deployment in Kubernetes by creating a main nginx deployment and exposing it via a node port service. Observe the traffic split where 75% goes to main and 25% goes to the canary serving the httpd image, then scale the main deployment to nine replicas for a 90/10 split and verify with curl.
Create and consume Kubernetes secrets in a deployment by wiring secret one's username and password as environment variables and mounting the secret as files in volumes, then verify inside pod.
this lecture guides you on a scenario-based question for the certified Kubernetes application developer exam, showing how to create and consume a secret in an Nginx pod via environment variable.
Create and deploy config maps in three ways: literal, environment file, and from file; then inject them into a deployment as env vars and mounted volumes.
Create a configmap named another config with key for value four and deploy an nginx pod that mounts this configmap as a volume.
Explore how to set up resource quotas in a Kubernetes Minikube cluster, configure cpu and memory requests and limits for namespaces, and apply them to pods using yaml.
Configure a readiness probe for a pod and observe startup with a yaml file and a ready endpoint, tracking initial delay and periodic checks.
Explore how a liveness probe performs regular health checks on a pod, restarting the container when the /live endpoint is missing, with an initial delay and periodic checks.
Walks through a scenario-based Kubernetes exam task to identify a failing liveness probe, log the pod’s namespace and name with events, and demonstrate fixes by editing YAML and recreating pods.
Learn how to configure Kubernetes startup, liveness, and readiness probes for an nginx deployment by creating a probes demo namespace, editing a deployment YAML, and validating probe outcomes.
Demonstrate Kubernetes cron jobs and jobs with a YAML setup using BusyBox to print the date every minute, including activeDeadlineSeconds, backOffLimit, and parallelism.
Explains a scenario based task to create and verify a cron job with BusyBox, scheduling every minute and finishing within 22 seconds, using kubectl and a never restart policy.
Learn how to configure Kubernetes security context and service accounts in deployments by editing a YAML file, setting non-root run as user and group, and applying a demo BusyBox deployment.
Demonstrates Kubernetes role-based access control by creating a reader role for pods and deployments in the rbac demo namespace, binding it to a user, and validating access via kube config.
Explore Kubernetes deployments by creating and scaling deployments, setting resources and images, and performing rollouts. Expose deployments with services, track rollout history, manage namespaces, and clean up resources.
In this scenario, troubleshoot a failing Kubernetes deployment caused by an incorrect image, and fix it by updating the image to nginx:1.17.4 with kubectl edit deploy or kubectl set image.
Fix a deprecated deployment in a Kubernetes manifest by adding the cobra namespace, updating the API version to apps/v1, and defining a selector that matches the run nginx label.
Demonstrate a scenario-based Kubernetes exam task to update the broker deployment in namespace code with a security context, setting user 30000 and disabling privilege escalation via kubectl edit.
Demonstrate canary deployment in Kubernetes by creating a cannery krill deployment, scaling to four canary pods and six current pods to realize a 40/60 traffic split managed by service selectors.
Explore how the Kubernetes limit range enforces minimum, maximum, and default cpu and memory for pods and containers. See namespace setup, limit range application, and in-range versus out-of-range pod tests.
Learn essential Docker commands for CKAD prep, including running Hello world, building Dockerfiles, tagging and pushing to Docker Hub, exporting containers, and cleaning up images and containers.
Master helm basics for the ckad exam: install, search, manage repos, install nginx chart in a namespace, customize values with yaml or -f, verify pods and labels, and clean up.
Master 11 essential vim tips for the CKA, CKAD, and CKS exams, including backup, search and replace, append text, delete and indent blocks, and efficient editing of deployments and services.
Learn to use kubectl get events to monitor pod and deployment events across namespaces, employing field selectors like involved object kind and name to filter results.
Master the CKAD exam search strategy by using kind searches to quickly locate YAML snippets for RBAC, security context, environment variables, secrets, service accounts, network policy, and probes.
Learn how two containers inside a pod, the producer and a sidecar, use a shared volume to emit and tail logs, enabling forwarding to a logging service such as Splunk.
Implement multi-container pod logging workflow where producer writes to a shared /log and adapter converts to format B, using a config map in deployment-z with log dev and adapter zen.
Discover the ambassador pattern by wiring a client pod through a proxy config map to a front end on port 9000, then to a back end nginx on port 10,000.
Demonstrates rolling update deployment in Kubernetes, using max search and max unavailable to manage updates, monitor revisions, perform rollbacks, and scale deployments.
Apply a scenario-based approach in the production namespace by updating the app deployment to use the restricted service account, using kubectl set serviceaccount and the provided commands.
Practice creating a Kubernetes pod in the web namespace for a Redis cache, naming it cache, using an image tag 3.2, and exposing port 6379.
Explore a Kubernetes scenario to configure hostpath pv and pvc named task-pvc with storage class exam, create /data/index.html on worker with account=finance, and mount hostpath to /usr/share/nginx/html in a pod.
Demonstrates using network policies to allow bi-directional pod communication in the 00201 namespace by labeling client, web, and storage pods and testing with telnet to Nginx and Redis.
Explore YAML, a human-friendly data serialization language designed for configuration files, log files, and cross-language data sharing, and learn its syntax, data types, anchors, and document handling.
Explore Docker fundamentals, containerization concepts, and Docker components like the client, daemon, container runtime, images, and compose, plus registries, then compare Docker with virtual machines for scalable deployment.
Discover what Kubernetes is, its origin and evolution from the virtualized and container eras, and why it provides a resilient platform with declarative configuration and automation for managing containerized workloads.
Discover the Kubernetes core architecture, including control plane and node components, add ons, and networking. Learn how high availability and Cloud Controller Manager integrate to run containerized apps.
Master Kubernetes core architecture, covering storage, security, autoscaling, custom resources, observability, best practices, and ecosystem tools like Helm and operators.
Execute kubectl node commands to list, describe, and monitor cluster nodes, view labels and taints, and manage maintenance through cordon, drain, and uncordon.
Explore Kubernetes namespaces, including creation, management, resource assignment, isolation and quotas, and best practices for multi-tenant environments across development, staging, and production.
Master kubectl namespace commands to list, create, describe, label, and view namespace YAML, and manage quotas, limit ranges, and contexts, with safe deletion.
Explore what a pod is and how its lifecycle, multi-container setups, networking, and health checks enable scalable, secure Kubernetes workloads; cover controllers, autoscaling, topology, storage, and logging.
Master kubectl pod commands to list, describe, view logs, label, annotate, and manage pods across namespaces, including port forward, apply, delete, exec, and attach.
Master Kubernetes deployments by learning their lifecycle, components, and strategies, including rolling updates, rollbacks, scaling, monitoring, and blue-green, canary, and A-B testing approaches.
Learn kubectl deployment commands to create deployments with replicas, labels, env vars, resource limits, ports; manage rollout, scale, updates, and expose via cluster IP, load balancer, or node port.
Master kubectl deployment commands in part 2, including resources, probes, config maps, secrets, volumes, init containers, role-based access control (rbac), and blue-green deployment strategies.
Learn how Kubernetes DaemonSets ensure one pod runs on every node or on selected nodes, managing pod lifecycle from join to leave, with YAML configuration, labels, selectors, and tolerations.
Manage kubectl daemonset resources by listing, describing, creating, applying, editing, and deleting daemon sets; monitor rollouts, update images, and retrieve yaml across namespaces.
Learn how Kubernetes stateful sets provide stable pod identities, persistent storage, and ordered deployment and scaling, with headless services, volume claim templates, and rolling update strategies.
master kubectl statefulset management by using aliases, listing, describing, applying manifests, editing, scaling, rolling out updates, and safely deleting stateful sets with cascade or orphan options.
Run one-off tasks with Kubernetes jobs, a controller that creates pods, ensures specified completions, and cleans up pods after completion or suspension, enabling batch-style processing.
Learn to use alias k for kubectl to manage jobs and cron jobs with practical commands for creating, describing, and monitoring, plus yaml generation and troubleshooting.
Explore Kubernetes services, including Cluster IP, Node Port, Load Balancer, and External Name. Master service discovery, publishing, exposure, health checks, rolling deployments, network policies, autoscaling, and service mesh integration.
Learn to manage Kubernetes services with kubectl, including listing, describing, and exporting details in YAML or JSON. Create and filter cluster IP, NodePort, LoadBalancer, ExternalName, and headless services.
Explore how config maps decouple configuration data from container images for flexible, environment-specific deployments. Create and attach maps with YAML or kubectl to configure pods.
Master kubectl configmap commands to manage config maps across namespaces, including creating, listing, describing, editing, patching, and exporting in yaml or json formats.
Explore how Kubernetes secrets store sensitive data and how to create, access, and expose them to pods with kubectl or YAML, using environment variables or mounted volumes and RBAC.
Master kubectl secrets commands to list, describe, create (from literals, files, dirs, env files, tls, docker), edit, patch, delete, and back up across namespaces.
Learn how Kubernetes labels and selectors organize, identify, and manage resources to enable deployment, scaling, monitoring, and rollouts, using key-value labels and equality or set-based selectors.
Master Kubernetes resource management by configuring requests and limits, QoS classes, resource quotas, and limit ranges to ensure efficient, fair, and scalable pod performance.
Learn kubectl requests and limits for cpu and memory, milli core and mebibyte units, and configuring deployments and multi-container pods with precise resource controls.
Master Kubernetes logging and monitoring to safeguard cluster health, performance, and security, by collecting logs from pods, nodes, and the control plane with tools like Prometheus, Grafana, and EFK stack.
Troubleshoot Kubernetes clusters by verifying nodes with kubectl get nodes and inspecting cluster info, then review node and control plane logs to plan recovery and mitigations.
Explore how taints on nodes and tolerations on pods govern Kubernetes scheduling using key-value pairs and effects like no schedule, no execute, and prefer no schedule.
Learn how taints on nodes and tolerations on pods govern scheduling, with node affinity guiding pods to tainted nodes and understanding no schedule, no execute, and prefer no schedule effects.
Explore Kubernetes storage concepts from volumes and persistent volumes to dynamic provisioning and volume snapshots, including PVCs, projected and ephemeral volumes, and Windows storage.
Learn to manage kubectl storage commands, including storage classes, persistent volumes and persistent volume claims, default storage class setup, and debugging with describe and events.
Demonstrates how ingress objects manage external HTTP or HTTPS access to Kubernetes services. Learn routing rules, load balancing, TLS termination, and name-based virtual hosting.
learn how init containers run before app containers, perform setup tasks, and must complete in order before the app starts, using preconditions and retries defined in the pod spec.
Configure environment variables in Kubernetes to decouple configuration from code, using container-level env and envFrom, and leverage config maps and secrets for dynamic, secure values.
Explore how Kubernetes defines commands and arguments for containers, and how these map to Dockerfile entrypoint and cmd. Learn override rules, environment variables, and shell-based command execution.
Explore how Kubernetes service accounts give non-human identities to pods and system components, enabling namespace-bound, portable credentials, cross-namespace access, and RBAC-based security, with token methods and OpenID Connect options.
Understand how Kubernetes security context provides fine-grained access control for pods and containers using run as user or group, seccomp, capabilities, SELinux, AppArmor, and volume ownership policies.
Explore static pods in Kubernetes, created on a worker node and managed by the kubelet, not observed by the API server; a mirror pod provides visibility but no control.
Explore how resource quotas enforce per-namespace limits in Kubernetes, controlling CPU, memory, storage, and object counts, with requests and limits, cross-namespace affinity, and priority class constraints.
Explore limit ranges in Kubernetes, enforcing per-container CPU, memory, and storage constraints within a namespace, with min, max, ratio, and default request/limit values, and admission enforcement.
Master Kubernetes role based access control by understanding role, cluster role, role binding, and cluster role binding. Apply permissions across namespaces, resources, and subresources like pods and logs.
Master kubectl rbac commands to manage roles, cluster roles, role bindings, and cluster role bindings across namespaces, enabling precise permission control and binding of users or service accounts.
This course will cover everything that you need in order to pass the Certified Kubernetes Application Developer Exam.
Course specifically tailored to address all the requirements and know how to deal with CKAD Exam.
Right amount of theory along with easy to use convenient single click copy paste styles code snippets to assist in no friction learning.
Scenario based questions to be as realistic and similar to real world learning to accelerate you towards your goal of become a Certified Kubernetes Application Developer professional.
How to setup a minikube cluster and practice all the required exam objectives.
How to do Blue Green Deployment in Kubernetes
How To Do Canary Deployment in Kubernetes
How to work with Kubernetes Secrets
Readiness, Liveness Probes
Jobs, Cronjobs
Deployments, Fix Deprecated Deployment
LimitRanges, Resource Quotas
ABSOLUTE ESSENTIAL VIM TIPS FOR CKAD
Just Enough Docker to pass CKAD Exam
Just Enough Helm to pass CKAD Exam
Multi Container Logging
Logging Sidecar Pattern
Kubernetes Role Based Access Control
Kubernetes Memory CPU Resource Limits
Scenario Based Question - Use Specific Service Account
Scenario Based Question - Create Pod as Per Specific Requirements
Scenario Based Question - HostPath, StorageClass, PV, PVC
Scenario Based Question - Allow Network Communication using existing NW Policy
Scenario Based Question - Update Deployment with SecurityContext
Scenario Based Question - Fix Liveness Probe
Scenario Based Question - Fix Failing Deployment
Scenario Based Question - Canary Deployment