DOE311 - Exam - Acquired knowledge

In your VirtualBox you must create a private host network called vboxnet0 with address 192.168.56.1/24.

Pre-configured VirtualBox VMs can be downloaded free of charge here:

• Gateway_10.0.2.40,
• CentOS_10.0.2.45,
• Kubemaster_10.0.2.65,
• Kubenode01_10.0.2.66,
• Kubenode02_10.0.2.67.

• DOE301 - Creating Kubernetes clusters
  • Container Orchestration
  • Introduction to Kubernetes (k8s)
    • Control Plane
    • Controller
    • Nodes (Minions)
  • LAB #1 - Creating a Kubernetes cluster with Virtual Machines
    • 1.1 - Overview
    • 1.2 - Connecting to the kubemaster
    • 1.3 - Testing the network
    • 1.4 - Initializing the Cluster Controller
    • 1.5 - Installing a Network Extension for communication between PODs
    • 1.6 - Connecting workers to the Controller
    • 1.7 - K8s and High Availability
  • LAB #2 - Creating a Kubernetes cluster with Minikube
    • 2.1 - Introducing Minikube
    • 2.2 - Installing Minikube
    • 2.3 - Configuring Minikube
    • 2.4 - Installing Docker
    • 2.5 - Installing kubectl
    • 2.6 - The minikube addons command
    • 2.7 - The minikube dashboard addon

• DOE302 - Managing Pods, Replication Controllers, ReplicaSets, Deployments, Maintenance and Cluster Updates
  • LAB #1 - Creating a pod
    • 1.1 - Introducing a pod
    • 1.2 - Manual pod creation
    • 1.3 - Creating a pod using a YAML file
      • apiVersion
      • kind
      • metadata
      • spec
      • Using the YAML file
  • LAB #2 - Using Replication Controllers and ReplicaSets
    • 2.1 - Replication Controllers
      • Overview
      • Implementation
    • 2.2 - ReplicaSets
      • Overview
      • Implementation
  • LAB #3 - Deployment management
    • 3.1 - Overview
    • 3.2 - Implementation
      • Rollouts
      • Rolling Updates
      • Rollbacks
  • LAB #4 - Maintenance
    • 4.1 - The drain command
    • 4.2 - The uncordon command
  • LAB #5 - Managing Cluster Updates
    • 5.1 - Updating kubeadm
    • 5.2 - Updating Workers

• DOE303 - The kubectl, krew and kustomize commands
  • LAB #1 - Using the kubectl command
    • 1.1 - Getting help with kubectl commands
    • 1.2 - Obtaining information about the Cluster
      • The version command
      • The cluster-info command
      • The api-versions command
      • The api-resources command
    • 1.3 - Obtaining information about nodes
      • The describe node command
      • The top command
    • 1.4 - Obtaining information about Pods
      • The describe pod command
      • The top command
    • 1.5 - Working with the kubectl command
      • The apply command
      • The create command
      • The get command
      • Using Options
      • The exec command
      • Imperative commands
  • LAB #2 - Managing kubectl plugins with the krew command
    • 2.1 - Installing krew
    • 2.2 - Viewing the list of plugins
    • 2.3 - Installing and using plugins
    • 2.4 - Updating and deleting plugins
  • LAB #3 - Managing patches with the kustomize command

• DOE304 - Working with Pods and Containers
  • LAB #1 - Application Configuration
    • 1.1 - Overview
    • 1.2 - Creating a ConfigMap
    • 1.3 - Creating a Secret
    • 1.4 - Using ConfigMaps and Secrets
      • Using Environment variables
      • Using Configuration Volumes
  • LAB #2 - Container Resource Management
    • 2.1 - Overview
    • 2.2 - Resource Requests
    • 2.3 - Resource Limits
  • LAB #3 - Container supervision
    • 3.1 - Overview
    • 3.2 - Liveness Probes
      • The exec Probe
      • The httpGet Probe
    • 3.3 - Startup Probes
    • 3.4 - Readiness Probes
  • LAB #4 - Restart Policy Management
    • 4.1 - Overview
    • 4.2 - Always
    • 4.3 - OnFailure
    • 4.4 - Never
  • LAB #5 - Creating Multi-container Pods
    • 5.1 - Overview
    • 5.2 - Implementation
  • LAB #6 - Init containers
    • 6.1 - Overview
    • 6.2 - Implementation
  • LAB #7 - Scheduling
    • 7.1 - Overview
    • 7.2 - Implementation
  • LAB #8 - DaemonSets
    • 8.1 - Overview
    • 8.2 - Implementation
  • LAB #9 - Static Pods
    • 9.1 - Overview
    • 9.2 - Implementation

• DOE305 - Network, Service and Microservices Architecture Management
  • LAB #1 - Network and Service Management
    • 1.1 - Overview of Network Extensions
    • 1.2 - DNS K8s
      • Overview
      • Implementation
    • 1.3 - Network Policies
      • Overview
      • Implementation
    • 1.4 - Services
      • Overview
      • Implementation
        • The NodePort service
        • The ClusterIP service
    • 1.5 - Services and the K8s DNS
      • Overview
      • Implementation
    • 1.6 - K8s Ingress management
      • Overview
      • Implementation
  • LAB #2 - Microservices Architecture Management
    • 2.1 - Overview
    • 2.2 - Creating Deployments
    • 2.3 - Creating Services
    • 2.4 - Deploying the Application
    • 2.5 - Scaling Up

• DOE306 - Managing Volumes with Kubernetes
  • Overview
    • Volumes
    • Persistent Volumes
    • Volume Types
  • LAB #1 - Using K8s Volumes
    • 1.1 - Volumes and volumeMounts
    • 1.2 - Sharing volumes between containers
  • LAB #2 - Persistent Volumes
    • 2.1 - Storage Classes
    • 2.2 - Persistent Volumes
    • 2.3 - Persistent Volume Claims
    • 2.4 - Using a PersistentVolumeClaim in a pod
    • 2.5 - Resizing a PersistentVolumeClaim

• DOE307 - Troubleshooting K8s
  • LAB #1 - The API Server
    • 1.1 - Connection Refused
    • 1.2 - System Pod Logs
  • LAB #2 - The Nodes
    • 2.1 - NotReady Status
  • LAB #3 - Pods
    • 3.1 - The ImagePullBackOff Error
    • 3.2 - The CrashLoopBackOff Error
  • LAB #4 - Containers
    • 4.1 - The exec Command
  • LAB #5 - Networking
    • 5.1 - kube-proxy and DNS
    • 5.2 - The netshoot Container

• DOE308 - Introduction to Securing K8s
  • LAB #1 - Role Based Access Control and TLS Certificates
    • 1.1 - Overview
    • 1.2 - The /etc/kubernetes/manifests/kube-apiserver.yaml File
    • 1.3 - Creating a serviceAccount
    • 1.4 - Creating a User
    • 1.5 - TLS Certificates
  • LAB #2 - Pod Security Implementation
    • 2.1 - Overview
    • 2.2 - Kubernetes Security Context
    • 2.3 - Kubernetes Network Policies
    • 2.4 - Kubernetes Resource Allocation Management

• DOE309 - Package Management for Kubernetes with Helm
  • Overview
  • LAB #1 - Working with Helm
    • 1.1 - Installing Helm
    • 1.2 - The helm search hub Command
    • 1.3 - Searching the Artifact Hub
    • 1.4 - Adding and Deleting a Repository
    • 1.5 - The helm search repo Command
    • 1.6 - The helm show Command
    • 1.7 - Installing a Chart
    • 1.8 - The helm get Command
    • 1.9 - Using NOTES
    • 1.10 - The helm upgrade Command
    • 1.11 - The helm history Command
    • 1.12 - The helm rollback Command
    • 1.13 - The helm uninstall Command
  • LAB #2 - Monitoring Kubernetes with the EFK Stack
    • 2.1 - Overview
    • 2.2 - Installing the elasticsearch Chart
    • 2.3 - Installing fluentd-elasticsearch Chart
    • 2.4 - Installing the kibana Chart
    • 2.5 - Generating Logs in Kubernetes
    • 2.6 - Visualizing Data with Kibana

• DOE310 - StatefulSets, Advanced StorageClass Usage, Creating a Helm Chart and Monitoring
  • StatefulSets
    • Overview
    • LAB #1 - Setting up a simple StatefulSet
      • 1.1 - Service and StatefulSet creation
      • 1.2 - Scaling Up a StatefulSet
      • 1.3 - Scaling Down a StatefulSet
      • 1.4 - Deleting a StatefulSet
  • Advanced StorageClass Usage
    • LAB #2 - Dynamic NFS provisioning
      • 2.1 - NFS Server Configuration
      • 2.2 - NFS Client Configuration
      • 2.3 - Configuring K8s
      • 2.4 - Creating a PersistentVolumeClaim
      • 2.5 - Using the PersistentVolumeClaim with a Pod
      • 2.6 - Creating a Second PersistentVolumeClaim
      • 2.7 - Deleting the PersistentVolumeClaims
  • Creating a Helm Chart
    • Overview
    • LAB #3 - Creating a Simple Helm Package
      • 3.1 - The values.yaml File
      • 3.2 - Templates
      • 3.3 - Installation and Removal
  • Monitoring
    • Overview
    • LAB #4 - Implementing a Prometheus Solution
      • 4.1 - Stack Deployment with Helm
      • 4.2 - Viewing Data with Grafana
      • 4.3 - Viewing Alerts with the Prometheus Web UI

• DOE311 - Exam - Acquired knowledge
  • 60 questions from a pool of 104 questions

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Copyright © 2025 Hugh Norris - Non-contractual document. Curriculum subject to change without notice.