Kubernetes Administrator: Kubernetes Fundamentals for Administrators

Course: 1 Hour, 29 Minutes

• Course Overview
• Challenges of Monolith Applications
• Transforming from Monolith to Microservices
• The Purpose and Benefits of Container Orchestration
• Container Orchestration Options
• The Role of the Cloud Native Computing Foundation
• Kubernetes Features and Components
• Kubernetes Installation and Configuration Options
• Evaluating Kubernetes Solutions for Workloads
• Installing All-in-one Kubernetes Using Containers
• Creating and Managing Deployments Using kubectl
• Pods in Kubernetes
• Kubernetes Services
• Creating Kubernetes Services
• Course Summary

Kubernetes Administrator: Cluster Installation & Configuration

Course: 1 Hour, 48 Minutes

• Course Overview
• Container Runtime Interface
• Pod Lifecycle and Container States
• Kubernetes Workloads
• Kubernetes Tools
• Installing and Configuring Kubernetes Tools
• Creating Kubernetes Clusters with kubeadm
• Locating and Connecting to Kubernetes with kubectl
• Combining Linux and Windows Nodes
• Using kubectl in Proxy Mode
• Working with Namespaces, LimitRange, and Pods
• Labels and Annotations in Kubernetes
• Working with Labels and Label Selectors
• Course Summary

Kubernetes Administrator: Managing Role-based Access Control

Course: 1 Hour, 4 Minutes

• Course Overview
• Kubernetes Authorization and Modes
• Stages to Control Access to Kubernetes API
• Querying the API Authorization Layer
• Principles to Implement Kubernetes RBAC
• Components to Implement RBAC in Kubernetes
• Creating Roles in Kubernetes
• Creating a RoleBinding API Authorization Layer
• Creating ClusterRole in Kubernetes
• Creating ClusterRoleBinding in Kubernetes
• Retrieving RBAC Objects in Kubernetes
• Managing User Access with kubeconfig
• Implementing Aggregated ClusterRoles in Kubernetes
• Course Summary

Kubernetes Administrator: Managing Highly-available Clusters

Course: 1 Hour, 32 Minutes

• Course Overview
• Manage Clusters with kubeadm Commands
• Kubernetes HA Architecture
• Approaches to Set up Kubernetes HA Clusters
• Kubernetes HA Topologies
• Control Plane Components
• Setting up Load Balancer
• Initializing a Stacked Control Plane
• Joining Multiple Control Plane Nodes
• Setting up Clusters with External Etcd
• Installing Workers
• Role of Etcd in Kubernetes
• Creating Three Node Etcd Clusters
• Etcd Cluster Backup
• Snapshot and Cluster Restoration
• Course Summary

Kubernetes Administrator: Underlying Cluster Infrastructure

Course: 1 Hour, 16 Minutes

• Course Overview
• Deployment Considerations
• Deploying Cloud-hosted Kubernetes Clusters
• Component Provisioning and Cluster Deployment
• Node Features and Provisioning Approaches
• Viewing Node Status and Exploring Output
• Configuring Default CPU Requests and Limits
• Setting Quotas for Total Amount of Memory and CPU
• Setting Quota for Total Number of Pods
• Setting Minimum and Maximum Values for CPU Resources
• Upgrading Clusters
• Upgrading Kubernetes Cluster Control Plane Nodes
• Upgrading kubelet and kubectl on Control Plane Nodes
• Upgrading Worker Node kubeadm, kubelet, and kubectl
• Course Summary

Kubernetes Administrator: Managing Kubernetes Deployments

Course: 1 Hour, 9 Minutes

• Course Overview
• Kubernetes Deployment Strategies
• Workload Resource
• Creating Deployment and Replicaset
• Updating and Viewing Deployment Status
• Inspecting Rollout and Rollback Update
• Implementing Deployment Rollback
• Deployment Lifecycle and States
• Managing Pod and Customizing Resource Definition
• Scenarios of Using StatefulSet Workload
• Listing StatefulSet and Scaling StatefulSet
• Diagnosing Pods with Commands
• Setting up Autoscaler
• Course Summary

Kubernetes Administrator: Configuring ConfigMaps & Kubernetes Secrets

Course: 59 Minutes

• Course Overview
• ConfigMaps
• Creating ConfigMaps with Kubectl Commands
• Creating ConfigMap with Generators
• Defining Container Env Variable with ConfigMap
• Creating ConfigMap with Multiple Key-value
• Populating Volume in ConfigMap
• Kubernetes Secrets and Types
• Creating Secret with Secret File
• Creating Secrets with secretGenerator
• Creating Pods with Access to Secret Data
• Defining Container with Secrets
• Creating imagePullSecret
• Course Summary

Kubernetes Administrator: Scaling & Managing Resources

Course: 1 Hour, 12 Minutes

• Course Overview
• Scaling Deployment
• Scaling StatefulSets
• Defining Horizontal Pod Autoscaler
• DaemonSet
• Creating DaemonSet with Rolling Update
• Creating Jobs with Configuration File
• Observing Downtime Resistance of Replicated Topology
• Kubernetes Garbage Collector
• Managing Cascading Deletion
• Resource Types and Units in Kubernetes
• Using Kustomize Tool
• Imperative Commands
• Working with Helm
• Templating Tools
• Course Summary

Kubernetes Administrator: Managing Pods & Deployments

Course: 58 Minutes

• Course Overview
• Creating and Verifying ReplicaSet
• Removing a Pod
• Using HPA to Scale up and Scale down Pods
• Creating Deployment Files and Scaling Replicas
• Kubernetes Scheduling
• Creating a Kubernetes User Account
• Using Label Selectors to Schedule Pods
• Tainting a Node
• Enabling Pod Limit Resources
• Manually Scheduling Pods
• Using Environmental Variables with Pods
• Creating and Using Secrets with Pods
• Course Summary

Kubernetes Administrator: Configuring Networking & Services

Course: 59 Minutes

• Course Overview
• Kubernetes Network Model
• Technologies for Kubernetes Networking Model
• Container-to-Container and Pod-to-Pod Networking
• Creating Network Namespaces
• Implementing Pod Networking
• Challenges of Pod Networking
• Defining and Mapping Services to Pod Network Address
• Configuring Multiple Port Definition
• EndpointSlices
• Kubernetes Service Types
• Configuring NodePort and LoadBalancer
• Creating Internal TCP LoadBalancer
• Course Summary

Kubernetes Administrator: Service Management

Course: 56 Minutes

• Course Overview
• Creating a Service Using the kubectl Expose Command
• Finding a Kubernetes-supported Service
• Creating a ClusterIP Service
• Creating a NodePort Service
• Creating a LoadBalancer Service
• Creating an ExternalName Service
• Managing the Service Account Object
• Adding imagePullSecret to the Service Account
• Service Account Automation
• Managing API Tokens Using kubectl
• Kubernetes Service Catalog
• Managed Service Plan and Instance Provisioning
• Course Summary

Kubernetes Administrator: Ingress and Cluster DNS & CNI Management

Course: 49 Minutes

• Course Overview
• Ingress Roles and Prerequisites
• Ingress Controllers
• Creating and Updating an Ingress Resource
• Path Types and Hostname Wildcards
• Configuring an Ingress Resource
• Features of CoreDNS
• CoreDNS vs. kube-dns
• Installing CoreDNS Using kubeadm
• Upgrading a DNS Service
• Network Plugins in Kubernetes
• CNI for Kubernetes
• Configuring Network Policies
• Course Summary

Kubernetes Administrator: Managing StorageClass & Volume

Course: 54 Minutes

• Course Overview
• StorageClass in Kubernetes
• Listing StorageClass and Volume Types
• Copying Local Files to Pods
• Kubernetes Volumes and Supported Types
• Volumes and Volume Binding
• Creating Pod and Configuring Volume
• Creating hostPath PersistentVolume
• Creating PersistentVolumeClaim
• Creating Pods to use PersistentVolumeClaim
• Lifecycle of a Volume and Claim
• Role of VolumeSnapshot
• Cloning Existing CSI Volumes
• Course Summary

Kubernetes Administrator: Using PersistentVolume & PersistentVolumeClaim

Course: 59 Minutes

• Course Overview
• Reclaim Policies
• Creating PersistentVolume
• Creating PersistentVolumeClaim
• Creating a PersistentVolume with an EBS
• Creating Pod to Use Dynamic PersistentVolumeClaim
• Deleting PersistentVolume and PersistentVolumeClaim
• Changing Reclaim Policy
• Creating PersistentVolume Using Compute Engine
• Node Affinity
• Volume Limits for Cloud Providers
• Exchanging Data between Containers
• Mounting PVC on Deployment
• Mounting NFS Volume
• Course Summary

Kubernetes Administrator: The Logging Mechanism

Course: 1 Hour

• Course Overview
• Logging Architecture
• Configuring Pod and Writing Logs
• Logging Snapshots with kubectl Commands
• Node-level vs. Cluster-level Logging
• Logging in Different Files and Formats
• Using Sidecar to Log to File from Shared Volume
• Best Practices of Kubernetes Logging
• Inspecting Applications and Application Logging
• Resource Metrics Pipeline and Metric Server
• Installing and Using Metric Server
• Tracking Resource Usage with Metric Server
• Attaching and Executing Commands in Shell
• Course Summary

Kubernetes Administrator: Auditing & Customizing Logs

Course: 53 Minutes

• Course Overview
• Managing Pod Information Using kubectl
• Debugging Pods and Kubernetes Cluster Nodes
• Common Pod and ReplicationController Issues
• Debugging Scheduled and Running Pods
• Adding Ephemeral Containers to Running Pods
• Kubernetes Auditing and Audit Policy
• Creating Audit Policies in Kubernetes
• Log Aggregator Tools and Kubernetes Log Types
• Logging with stdout and stderr
• Installing and Using crictl
• Using Telepresence to Create a Virtual Network
• Printing Logs Using kubectl
• Course Summary

Kubernetes Administrator: Monitoring Kubernetes Metrics

Course: 1 Hour, 3 Minutes

• Course Overview
• The Goals of Kubernetes Cluster Monitoring
• What to Monitor in a Kubernetes Cluster
• Measurable Kubernetes Cluster Metrics
• Creating and Starting node-problem-detector
• Adding New Node Conditions to Kernel Monitor
• Cluster Master and Worker Node States
• Best Practices for Kubernetes Monitoring
• Performing Liveness Probes Using Commands
• Performing Liveness Probes with HTTP GET
• Performing TCP Liveness Probes
• Kubernetes Performance Metrics
• Retrieving Current Cluster Resource Metrics
• Course Summary

Kubernetes Administrator: Troubleshooting Cluster Components

Course: 54 Minutes

• Course Overview
• Key Components during Kubernetes Troubleshooting
• Commands for Troubleshooting Kubernetes Clusters
• Troubleshooting Issues with etcd Database
• Identifying and Fixing Issues with Pods
• Investigating the State of Kubernetes Services
• Troubleshooting Common kubeadm Issues
• Troubleshooting CrashLoopBackOff
• Handling Configuration Issues and Error Messages
• Troubleshooting Pending and Unscheduled Pods
• Troubleshooting Kubernetes Service Names
• Investigating and Identifying Root Causes
• End-to-end Troubleshooting
• Course Summary

Kubernetes Administrator: Troubleshooting Deployments & Networking

Course: 52 Minutes

• Course Overview
• Principles of Kubernetes Application Debugging
• Updating Existing Configuration Files
• Upgrading App Servers on Existing Deployments
• Scaling up Applications to Manage Load
• Gracefully Deleting Pods of StatefulSet
• Resource Exhaustion Management Scenarios
• Diagnosing DNS Problems Using a Pod
• Investigating Init Containers
• Critical Kubernetes-related Networking Issues
• Generic Network Troubleshooting Steps and Commands
• Inspecting iptables Rules
• Investigating Ingress and Service Traffic Flows
• Course Summary

Kubernetes Administrator: Troubleshooting Cloud-hosted Kubernetes

Course: 23 Minutes

• Course Overview
• Kubernetes Cluster Customization
• Troubleshooting Google Kubernetes Engine (GKE)
• Fixing Deployed Google Kubernetes Workload Issues
• Vital Master and Worker Node Log Files and Entries
• Monitoring Production Scale Kubernetes with ELK
• Course Summary