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Mapagam

60 SECTIONS · 691 TOPICS

Kubernetes Roadmap

  1. Understanding Kubernetes Architecture

    1. 1. Understanding Control Plane Components
    2. 2. Understanding Node Components
    3. 3. Understanding Pods as Deployment Units
    4. 4. Understanding Services and Networking
    5. 5. Understanding Workload Resources
    6. 6. Understanding Storage Abstractions
    7. 7. Understanding Configuration Resources
    8. 8. Understanding Namespaces and Multi-Tenancy
    9. 9. Understanding API Resources and Extensions
    10. 10. Understanding Cluster Add-Ons
    11. Cluster Architecture

  2. Installing and Configuring kubectl

    1. 1. Installing kubectl CLI
    2. 2. Configuring kubeconfig File
    3. Example: Minimal kubeconfig
    4. 3. Managing Multiple Contexts
    5. 4. Setting Default Namespace
    6. 5. Viewing Cluster Information
    7. 6. Checking kubectl Version
    8. 7. Enabling kubectl Autocompletion
    9. 8. Using kubectl Aliases
    10. Example: Common aliases
    11. 9. Installing kubectl Plugins
    12. 10. Configuring Authentication Methods

  3. Working with Clusters

    1. 1. Creating Local Cluster
    2. 2. Connecting to Remote Cluster
    3. 3. Viewing Cluster Nodes
    4. 4. Describing Node Details
    5. 5. Labeling Nodes
    6. 6. Tainting Nodes
    7. 7. Cordoning Nodes
    8. 8. Draining Nodes
    9. 9. Uncordoning Nodes
    10. 10. Checking Cluster Health
    11. 11. Viewing API Resources
    12. 12. Managing Cluster Certificates

  4. Working with Namespaces

    1. 1. Creating Namespaces
    2. Example: Namespace YAML with labels
    3. 2. Listing Namespaces
    4. 3. Switching Namespaces
    5. 4. Deleting Namespaces
    6. 5. Using Namespace Flag
    7. 6. Viewing Resources Across Namespaces
    8. 7. Setting Resource Quotas
    9. Example: ResourceQuota
    10. 8. Configuring Limit Ranges
    11. Example: Container LimitRange
    12. 9. Understanding Default Namespaces
    13. 10. Isolating Namespaces with Network Policies
    14. Example: Deny all ingress from other namespaces

  5. Working with Contexts and Kubeconfig

    1. 1. Viewing Current Context
    2. 2. Listing All Contexts
    3. 3. Switching Contexts
    4. 4. Creating New Context
    5. 5. Renaming Contexts
    6. 6. Deleting Contexts
    7. 7. Setting Context Namespace
    8. 8. Merging Kubeconfig Files
    9. 9. Viewing Kubeconfig Content
    10. 10. Setting Cluster Server
    11. 11. Setting User Credentials
    12. Example: AWS EKS exec auth

  6. Creating and Managing Pods

    1. 1. Creating Pod from YAML
    2. Example: Minimal Pod spec
    3. 2. Running Pod Imperatively
    4. 3. Listing Pods
    5. 4. Describing Pod Details
    6. 5. Viewing Pod Logs
    7. 6. Following Log Streams
    8. 7. Executing Commands in Pod
    9. 8. Port Forwarding to Pod
    10. 9. Deleting Pods
    11. 10. Using Pod Selectors
    12. 11. Watching Pod Status
    13. 12. Getting Pod YAML
    14. 13. Copying Files to Pod

  7. Configuring Pod Specifications

    1. 1. Setting Container Images
    2. 2. Defining Resource Requests
    3. 3. Defining Resource Limits
    4. 4. Configuring Environment Variables
    5. Example: Combining env sources
    6. 5. Setting Container Commands
    7. 6. Configuring Working Directory
    8. 7. Setting Security Context
    9. Example: Hardened security context
    10. 8. Configuring Pod Priority
    11. 9. Using Pod Preemption Policy
    12. 10. Setting Pod Restart Policy
    13. 11. Configuring Pod DNS Policy
    14. 12. Using Service Account

  8. Configuring Init Containers

    1. 1. Understanding Init Container Purpose
    2. 2. Defining Init Containers
    3. Example: Wait for database
    4. 3. Setting Init Container Order
    5. 4. Sharing Volumes with Main Containers
    6. Example: Init writes, app reads
    7. 5. Setting Init Container Resources
    8. 6. Handling Init Container Failures
    9. 7. Debugging Init Containers
    10. 8. Using Init Containers for Dependencies
    11. 9. Running Database Migrations
    12. Example: Flyway migration init
    13. 10. Downloading Configuration Files

  9. Configuring Sidecar Containers

    1. 1. Understanding Sidecar Pattern
    2. 2. Creating Multi-Container Pods
    3. Example: Native sidecar (1.29+)
    4. 3. Sharing Volumes Between Containers
    5. 4. Implementing Logging Sidecars
    6. Example: Stream log file to stdout
    7. 5. Implementing Proxy Sidecars
    8. 6. Using Ambassador Pattern
    9. 7. Using Adapter Pattern
    10. 8. Setting Container Lifecycle
    11. 9. Configuring Shared Network Namespace
    12. 10. Debugging Sidecar Containers

  10. Implementing Health Checks

    1. 1. Configuring Liveness Probes
    2. 2. Configuring Readiness Probes
    3. 3. Configuring Startup Probes
    4. 4. Using HTTP Probes
    5. 5. Using TCP Probes
    6. 6. Using Exec Probes
    7. 7. Using gRPC Probes
    8. 8. Setting Initial Delay
    9. 9. Configuring Period Seconds
    10. 10. Setting Failure Threshold
    11. 11. Setting Success Threshold
    12. 12. Configuring Timeout Seconds
    13. Probe Cheat Sheet

  11. Working with Pod Lifecycle Hooks

    1. 1. Understanding Lifecycle Hooks
    2. 2. Configuring PostStart Hook
    3. 3. Configuring PreStop Hook
    4. Example: Graceful nginx drain
    5. 4. Using Exec Handler
    6. 5. Using HTTP Handler
    7. 6. Implementing Graceful Shutdown
    8. Graceful Shutdown Pattern
    9. 7. Understanding Hook Guarantees
    10. 8. Setting Termination Grace Period
    11. 9. Debugging Lifecycle Hooks
    12. 10. Using Hooks for Deregistration
    13. Example: Deregister from external service mesh

  12. Working with Labels and Selectors

    1. 1. Adding Labels to Resources
    2. 2. Viewing Resource Labels
    3. 3. Filtering by Label Selectors
    4. 4. Using Equality-Based Selectors
    5. 5. Using Set-Based Selectors
    6. 6. Removing Labels
    7. 7. Overwriting Labels
    8. 8. Using Labels in YAML
    9. 9. Selecting with matchLabels
    10. 10. Selecting with matchExpressions

  13. Managing Annotations

    1. 1. Adding Annotations
    2. 2. Viewing Annotations
    3. 3. Removing Annotations
    4. 4. Using Annotations in YAML
    5. 5. Understanding Common Annotations
    6. 6. Using Deployment Annotations
    7. 7. Configuring Ingress Annotations
    8. 8. Using Prometheus Annotations
    9. 9. Setting Autoscaler Annotations
    10. 10. Understanding Annotation Size Limits

  14. Working with Deployments

    1. 1. Creating Deployment
    2. Example: Deployment with rolling update
    3. 2. Applying Deployment YAML
    4. 3. Scaling Deployment
    5. 4. Updating Deployment Image
    6. 5. Viewing Rollout Status
    7. 6. Viewing Rollout History
    8. 7. Rolling Back Deployment
    9. 8. Pausing Rollouts
    10. 9. Resuming Rollouts
    11. 10. Configuring Update Strategy
    12. 11. Setting Max Unavailable
    13. 12. Setting Max Surge
    14. 13. Setting Revision History Limit

  15. Managing ReplicaSets

    1. 1. Listing ReplicaSets
    2. 2. Describing ReplicaSet Details
    3. 3. Scaling ReplicaSets
    4. 4. Deleting ReplicaSets
    5. 5. Understanding ReplicaSet Selectors
    6. 6. Viewing ReplicaSet Ownership
    7. 7. Viewing ReplicaSet Pods
    8. 8. Orphaning Pods During Deletion
    9. 9. Understanding ReplicaSet vs Deployment
    10. Deployment
    11. ReplicaSet
    12. 10. Troubleshooting ReplicaSet Issues

  16. Managing StatefulSets

    1. 1. Creating StatefulSet
    2. Example: StatefulSet with PVC template
    3. 2. Listing StatefulSets
    4. 3. Describing StatefulSet Details
    5. 4. Scaling StatefulSet
    6. 5. Understanding Ordered Pod Creation
    7. 6. Using Parallel Pod Management
    8. 7. Configuring Volume Claim Templates
    9. 8. Using Headless Services
    10. 9. Understanding Stable Network IDs
    11. 10. Updating StatefulSets
    12. 11. Deleting StatefulSets
    13. 12. Troubleshooting StatefulSet Issues

  17. Working with DaemonSets

    1. 1. Creating DaemonSet
    2. Example: Node log agent DaemonSet
    3. 2. Listing DaemonSets
    4. 3. Describing DaemonSet Details
    5. 4. Understanding DaemonSet Scheduling
    6. 5. Using Node Selectors
    7. 6. Using Node Affinity
    8. 7. Tolerating Taints
    9. 8. Updating DaemonSets
    10. 9. Setting Max Unavailable
    11. 10. Deleting DaemonSets
    12. 11. Troubleshooting DaemonSet Pods

  18. Managing Jobs

    1. 1. Creating Job
    2. Example: One-shot Job
    3. 2. Creating Job from CronJob
    4. 3. Listing Jobs
    5. 4. Describing Job Details
    6. 5. Setting Completions Count
    7. 6. Setting Parallelism Level
    8. 7. Configuring Backoff Limit
    9. 8. Setting Active Deadline
    10. 9. Using Job Selectors
    11. 10. Viewing Job Logs
    12. 11. Deleting Jobs
    13. 12. Cleaning Up Finished Jobs

  19. Working with CronJobs

    1. 1. Creating CronJob
    2. Example: Nightly backup
    3. 2. Listing CronJobs
    4. 3. Describing CronJob Details
    5. 4. Setting Schedule Expression
    6. 5. Understanding Cron Syntax
    7. 6. Configuring Concurrency Policy
    8. 7. Setting Successful Jobs History
    9. 8. Setting Failed Jobs History
    10. 9. Suspending CronJobs
    11. 10. Setting Starting Deadline
    12. 11. Creating Manual Job Run
    13. 12. Deleting CronJobs

  20. Creating and Managing Services

    1. 1. Creating ClusterIP Service
    2. Example: ClusterIP
    3. 2. Creating NodePort Service
    4. 3. Creating LoadBalancer Service
    5. 4. Creating Headless Service
    6. 5. Listing Services
    7. 6. Describing Service Details
    8. 7. Exposing Deployments
    9. 8. Configuring Service Selectors
    10. 9. Configuring Session Affinity
    11. 10. Setting External IPs
    12. 11. Using ExternalName Services
    13. 12. Viewing Service Endpoints

  21. Working with Ingress

    1. 1. Creating Ingress Resource
    2. Example: Host + path-based routing with TLS
    3. 2. Listing Ingress Resources
    4. 3. Describing Ingress Details
    5. 4. Configuring Ingress Rules
    6. 5. Setting Default Backend
    7. 6. Using Path Types
    8. 7. Configuring TLS Termination
    9. 8. Using Ingress Annotations
    10. 9. Setting Ingress Class
    11. 10. Installing Ingress Controllers
    12. 11. Troubleshooting Ingress

  22. Working with Gateway API

    1. 1. Installing Gateway API CRDs
    2. 2. Creating GatewayClass Resource
    3. 3. Creating Gateway Resource
    4. 4. Configuring HTTPRoute
    5. 5. Using TCPRoute
    6. 6. Using TLSRoute
    7. 7. Setting Gateway Listeners
    8. 8. Configuring Backend References
    9. 9. Using Request Matching
    10. 10. Implementing Traffic Splitting
    11. 11. Understanding Gateway API vs Ingress
    12. Ingress
    13. Gateway API

  23. Managing ConfigMaps

    1. 1. Creating ConfigMap from Literal
    2. 2. Creating ConfigMap from File
    3. 3. Creating ConfigMap from Env File
    4. 4. Creating ConfigMap from YAML
    5. 5. Listing ConfigMaps
    6. 6. Describing ConfigMap Details
    7. 7. Using ConfigMap as Environment Variables
    8. 8. Mounting ConfigMap as Volume
    9. 9. Using Specific ConfigMap Keys
    10. 10. Updating ConfigMaps
    11. 11. Using Immutable ConfigMaps
    12. 12. Deleting ConfigMaps

  24. Managing Secrets

    1. 1. Creating Generic Secret
    2. 2. Creating TLS Secret
    3. 3. Creating Docker Registry Secret
    4. 4. Encoding Secret Data
    5. 5. Listing Secrets
    6. 6. Describing Secret Details
    7. 7. Using Secrets as Environment Variables
    8. 8. Mounting Secrets as Volumes
    9. 9. Using imagePullSecrets
    10. 10. Updating Secrets
    11. 11. Understanding Secret Types
    12. 12. Deleting Secrets

  25. Working with Service Accounts

    1. 1. Creating Service Account
    2. 2. Listing Service Accounts
    3. 3. Describing Service Account Details
    4. 4. Using Service Account in Pod
    5. 5. Understanding Default Service Account
    6. 6. Configuring Automount Token
    7. 7. Creating Service Account Token
    8. 8. Using Bound Service Account Tokens
    9. 9. Configuring Token Expiration
    10. 10. Deleting Service Accounts

  26. Working with Volumes

    1. 1. Using emptyDir Volumes
    2. 2. Using hostPath Volumes
    3. 3. Configuring PersistentVolumes
    4. 4. Creating PersistentVolumeClaims
    5. 5. Binding PVC to PV
    6. Binding Lifecycle
    7. 6. Listing PersistentVolumes
    8. 7. Listing PersistentVolumeClaims
    9. 8. Understanding Access Modes
    10. 9. Setting Reclaim Policies
    11. 10. Using Dynamic Provisioning
    12. 11. Expanding PersistentVolumes
    13. 12. Deleting PersistentVolumeClaims

  27. Configuring Storage Classes

    1. 1. Creating StorageClass
    2. Example: AWS gp3 SC
    3. 2. Listing StorageClasses
    4. 3. Setting Default StorageClass
    5. 4. Configuring Provisioners
    6. 5. Setting Volume Binding Mode
    7. 6. Configuring Reclaim Policy
    8. 7. Enabling Volume Expansion
    9. 8. Using Storage Parameters
    10. 9. Configuring Mount Options
    11. 10. Deleting StorageClasses

  28. Working with Volume Snapshots

    1. 1. Installing VolumeSnapshot CRDs
    2. 2. Creating VolumeSnapshotClass
    3. 3. Creating VolumeSnapshot
    4. 4. Listing VolumeSnapshots
    5. 5. Describing VolumeSnapshot Details
    6. 6. Restoring PVC from Snapshot
    7. 7. Configuring Snapshot Deletion Policy
    8. 8. Using Snapshot with CSI Drivers
    9. 9. Deleting VolumeSnapshots
    10. 10. Troubleshooting Snapshot Issues

  29. Working with Projected Volumes

    1. 1. Understanding Projected Volumes
    2. 2. Projecting Secrets
    3. 3. Projecting ConfigMaps
    4. 4. Projecting Service Account Tokens
    5. 5. Projecting Downward API
    6. 6. Configuring Token Expiration
    7. 7. Setting Token Audience
    8. 8. Combining Multiple Sources
    9. Example: All-in-one projected volume
    10. 9. Using Projected Volumes for mTLS
    11. 10. Debugging Projected Volumes

  30. Configuring Resource Management

    1. 1. Setting CPU Requests
    2. 2. Setting Memory Requests
    3. 3. Setting CPU Limits
    4. 4. Setting Memory Limits
    5. 5. Understanding Resource Units
    6. 6. Configuring LimitRange
    7. 7. Setting ResourceQuota
    8. 8. Viewing Resource Usage
    9. 9. Understanding QoS Classes
    10. 10. Setting Priority Classes
    11. 11. Configuring Pod Disruption Budgets
    12. 12. Using Extended Resources

  31. Implementing Horizontal Pod Autoscaling

    1. 1. Creating HPA
    2. 2. Creating HPA from YAML
    3. 3. Listing HPAs
    4. 4. Describing HPA Details
    5. 5. Setting Min and Max Replicas
    6. 6. Using CPU-Based Scaling
    7. 7. Using Memory-Based Scaling
    8. 8. Using Custom Metrics
    9. 9. Configuring Scale Up Behavior
    10. 10. Configuring Scale Down Behavior
    11. 11. Setting Stabilization Window
    12. 12. Troubleshooting HPA

  32. Implementing Vertical Pod Autoscaling

    1. 1. Installing VPA Components
    2. 2. Creating VPA Resource
    3. 3. Setting Update Mode
    4. 4. Configuring Resource Policy
    5. 5. Setting Min Allowed Resources
    6. 6. Setting Max Allowed Resources
    7. 7. Viewing VPA Recommendations
    8. 8. Understanding VPA Components
    9. VPA Pipeline
    10. 9. Using VPA with HPA
    11. 10. Deleting VPA Resources

  33. Working with Taints and Tolerations

    1. 1. Adding Taints to Nodes
    2. 2. Removing Taints from Nodes
    3. 3. Listing Node Taints
    4. 4. Understanding Taint Effects
    5. 5. Configuring Tolerations
    6. 6. Using Toleration Operators
    7. 7. Setting Toleration Seconds
    8. 8. Understanding Default Tolerations
    9. 9. Using Taints for Dedicated Nodes
    10. Example: GPU node pool isolation
    11. 10. Combining Taints with Node Affinity

  34. Configuring Node Affinity

    1. 1. Using requiredDuringScheduling
    2. 2. Using preferredDuringScheduling
    3. 3. Configuring Node Selectors
    4. 4. Using matchExpressions
    5. 5. Setting Node Label Selectors
    6. 6. Combining Multiple Affinity Rules
    7. 7. Using Node Anti-Affinity
    8. 8. Setting Weight Priority
    9. 9. Using IgnoredDuringExecution
    10. 10. Troubleshooting Affinity Rules

  35. Configuring Pod Affinity and Anti-Affinity

    1. 1. Using Pod Affinity
    2. 2. Using Pod Anti-Affinity
    3. 3. Setting Topology Keys
    4. 4. Using requiredDuringScheduling
    5. 5. Using preferredDuringScheduling
    6. 6. Configuring Label Selectors
    7. 7. Setting Namespace Selectors
    8. 8. Understanding Topology Domains
    9. 9. Combining Affinity Rules
    10. 10. Troubleshooting Pod Placement

  36. Configuring Pod Topology Spread Constraints

    1. 1. Understanding Topology Spread
    2. 2. Setting Maximum Skew
    3. 3. Configuring When Unsatisfiable
    4. 4. Using Topology Keys
    5. 5. Configuring Label Selectors
    6. 6. Setting Match Label Keys
    7. 7. Using Min Domains
    8. 8. Combining Multiple Constraints
    9. Example: Zone + node spread
    10. 9. Understanding Node Inclusion Policy
    11. 10. Troubleshooting Spread Issues

  37. Configuring Network Policies

    1. 1. Creating NetworkPolicy
    2. 2. Defining Pod Selectors
    3. 3. Configuring Ingress Rules
    4. 4. Configuring Egress Rules
    5. 5. Using Namespace Selectors
    6. 6. Allowing Specific Ports
    7. 7. Using IP Blocks
    8. 8. Implementing Default Deny All
    9. 9. Testing Network Policies
    10. 10. Listing Network Policies

  38. Configuring RBAC Authorization

    1. 1. Creating ServiceAccount
    2. 2. Creating Role
    3. 3. Creating ClusterRole
    4. 4. Creating RoleBinding
    5. 5. Creating ClusterRoleBinding
    6. 6. Viewing Permissions
    7. 7. Testing User Permissions
    8. 8. Using Default ClusterRoles
    9. 9. Configuring API Groups
    10. 10. Setting Resource Names
    11. 11. Understanding Verbs
    12. 12. Aggregating ClusterRoles

  39. Managing Security Context

    1. 1. Setting runAsUser
    2. 2. Setting runAsGroup
    3. 3. Setting fsGroup
    4. 4. Running as Non-Root
    5. 5. Setting Read-Only Root Filesystem
    6. 6. Adding Capabilities
    7. 7. Dropping Capabilities
    8. 8. Using Privileged Mode
    9. 9. Setting SELinux Options
    10. 10. Configuring Seccomp Profiles
    11. 11. Setting AppArmor Profiles

  40. Implementing Pod Security Admission

    1. 1. Understanding Pod Security Standards
    2. 2. Using Pod Security Admission
    3. 3. Configuring Namespace Labels
    4. 4. Setting Enforce Level
    5. 5. Setting Audit Level
    6. 6. Setting Warn Level
    7. 7. Controlling Host Namespaces
    8. 8. Restricting Volume Types
    9. 9. Configuring Allowed Capabilities
    10. 10. Migrating from PodSecurityPolicy

  41. Working with Admission Controllers

    1. 1. Understanding Admission Controllers
    2. 2. Enabling Admission Plugins
    3. 3. Using ValidatingWebhookConfiguration
    4. 4. Using MutatingWebhookConfiguration
    5. 5. Implementing OPA Gatekeeper
    6. 6. Creating Constraint Templates
    7. 7. Creating Constraints
    8. 8. Implementing Image Policy
    9. 9. Using LimitRanger
    10. 10. Testing Admission Webhooks
    11. 11. Troubleshooting Admission Failures

  42. Managing Cluster Certificates

    1. 1. Viewing Certificate Expiration
    2. 2. Renewing Certificates
    3. 3. Generating New Certificates
    4. 4. Configuring Certificate Rotation
    5. 5. Installing cert-manager
    6. 6. Creating Certificate Resources
    7. 7. Configuring Issuers
    8. 8. Using ACME Protocol
    9. 9. Troubleshooting Certificate Issues
    10. 10. Updating kubeconfig After Renewal

  43. Managing External Secrets

    1. 1. Installing External Secrets Operator
    2. 2. Creating SecretStore
    3. 3. Creating ClusterSecretStore
    4. 4. Creating ExternalSecret Resource
    5. 5. Syncing Secrets Automatically
    6. 6. Using Secret Templates
    7. 7. Configuring Secret Keys
    8. 8. Rotating Secrets
    9. 9. Configuring Data Transformation
    10. 10. Troubleshooting Secret Sync

  44. Managing Custom Resource Definitions

    1. 1. Creating CRD
    2. 2. Listing CRDs
    3. 3. Describing CRD Details
    4. 4. Defining CRD Versions
    5. 5. Setting CRD Scope
    6. 6. Configuring Validation Schema
    7. 7. Using CRD Subresources
    8. 8. Setting Printer Columns
    9. 9. Creating Custom Resources
    10. 10. Understanding CRD Finalizers
    11. 11. Deleting CRDs

  45. Working with Operators

    1. 1. Understanding Operator Pattern
    2. Operator Loop
    3. 2. Installing Operators
    4. 3. Using Operator Lifecycle Manager
    5. 4. Creating Custom Resources
    6. 5. Viewing Operator Logs
    7. 6. Updating Custom Resources
    8. 7. Monitoring Operator Status
    9. 8. Troubleshooting Operators
    10. 9. Upgrading Operators
    11. 10. Deleting Operators

  46. Working with Helm Charts

    1. 1. Installing Helm CLI
    2. 2. Adding Helm Repositories
    3. 3. Updating Helm Repositories
    4. 4. Searching Helm Charts
    5. 5. Installing Helm Chart
    6. 6. Upgrading Helm Release
    7. 7. Rolling Back Release
    8. 8. Listing Helm Releases
    9. 9. Viewing Release Values
    10. 10. Uninstalling Helm Release
    11. 11. Creating Custom Chart
    12. 12. Using Helm Templating

  47. Working with Kustomize

    1. 1. Understanding Kustomize Concepts
    2. 2. Creating kustomization.yaml
    3. 3. Applying Kustomize Manifests
    4. 4. Using Strategic Merge Patches
    5. 5. Using JSON Patches
    6. 6. Configuring Name Prefixes
    7. 7. Generating ConfigMaps
    8. 8. Generating Secrets
    9. 9. Setting Common Labels
    10. 10. Using Overlays
    11. 11. Configuring Image Tags
    12. 12. Building Kustomize Output

  48. Implementing GitOps

    1. 1. Understanding GitOps Principles
    2. 2. Installing Flux
    3. 3. Installing ArgoCD
    4. 4. Creating GitRepository Source
    5. 5. Creating Kustomization
    6. 6. Creating ArgoCD Application
    7. 7. Configuring Auto-Sync
    8. 8. Managing Helm Releases
    9. 9. Monitoring Sync Status
    10. 10. Troubleshooting Sync Issues

  49. Using Advanced kubectl Techniques

    1. 1. Using JSONPath Queries
    2. 2. Using Custom Columns
    3. 3. Formatting Output
    4. 4. Using Field Selectors
    5. 5. Using Label Selectors
    6. 6. Performing Bulk Operations
    7. 7. Using kubectl patch
    8. 8. Creating Resources from stdin
    9. 9. Using kubectl diff
    10. 10. Using kubectl wait
    11. 11. Creating Dry Runs
    12. 12. Using kubectl explain

  50. Debugging and Troubleshooting Pods

    1. 1. Viewing Pod Logs
    2. 2. Following Log Streams
    3. 3. Viewing Previous Container Logs
    4. 4. Executing Commands in Pods
    5. 5. Creating Debug Containers
    6. 6. Using Ephemeral Containers
    7. 7. Viewing Pod Events
    8. 8. Using Port Forwarding
    9. 9. Inspecting API Objects
    10. 10. Checking Cluster Events
    11. 11. Troubleshooting Networking
    12. 12. Using Node Debug Pods

  51. Analyzing Resource Usage

    1. 1. Installing Metrics Server
    2. 2. Viewing Node Metrics
    3. 3. Viewing Pod Metrics
    4. 4. Viewing Container Metrics
    5. 5. Sorting by Resource Usage
    6. 6. Using Prometheus
    7. 7. Creating Grafana Dashboards
    8. 8. Setting Up Alerts
    9. 9. Using kube-state-metrics
    10. 10. Monitoring Control Plane

  52. Implementing Centralized Logging

    1. 1. Installing Fluentd DaemonSet
    2. 2. Configuring Elasticsearch
    3. 3. Configuring Kibana
    4. 4. Setting Up Log Forwarding
    5. 5. Using Loki for Logging
    6. 6. Installing Promtail
    7. 7. Querying Logs with LogQL
    8. 8. Setting Log Retention Policies
    9. 9. Configuring Structured Logging
    10. 10. Troubleshooting Logging Stack

  53. Implementing Service Mesh

    1. 1. Understanding Service Mesh Concepts
    2. 2. Installing Istio
    3. 3. Installing Linkerd
    4. 4. Enabling Sidecar Injection
    5. 5. Configuring Traffic Management
    6. 6. Implementing mTLS
    7. 7. Configuring Request Routing
    8. 8. Implementing Circuit Breaking
    9. 9. Observing Service Mesh
    10. 10. Troubleshooting Service Mesh

  54. Managing Multi-Tenancy

    1. 1. Creating Tenant Namespaces
    2. 2. Setting Resource Quotas
    3. 3. Configuring Limit Ranges
    4. 4. Implementing RBAC Isolation
    5. 5. Using Network Policies
    6. 6. Configuring Pod Security
    7. 7. Using Virtual Clusters
    8. 8. Implementing Hierarchical Namespaces
    9. 9. Monitoring Tenant Resources
    10. 10. Implementing Cost Allocation

  55. Implementing Backup and Disaster Recovery

    1. 1. Installing Velero
    2. 2. Configuring Backup Storage
    3. 3. Creating Backups
    4. 4. Scheduling Backups
    5. 5. Restoring from Backup
    6. 6. Backing Up Specific Namespaces
    7. 7. Excluding Resources
    8. 8. Using Backup Hooks
    9. 9. Migrating Across Clusters
    10. Cluster Migration Steps
    11. 10. Monitoring Backup Status
    12. 11. Troubleshooting Backups

  56. Managing Cluster Upgrades

    1. 1. Planning Cluster Upgrades
    2. 2. Upgrading Control Plane
    3. 3. Upgrading Worker Nodes
    4. 4. Upgrading kubectl
    5. 5. Upgrading Managed Clusters
    6. 6. Using Blue-Green Strategy
    7. Blue/Green Cluster Upgrade
    8. 7. Performing Rolling Upgrades
    9. 8. Testing Before Upgrade
    10. 9. Rolling Back Upgrades
    11. 10. Monitoring Upgrade Progress

  57. Optimizing Cluster Performance

    1. 1. Optimizing API Server
    2. 2. Tuning etcd Performance
    3. 3. Optimizing Node Resources
    4. 4. Configuring DNS Optimization
    5. 5. Using Node Local DNS Cache
    6. 6. Reducing Image Pull Time
    7. 7. Optimizing Pod Startup
    8. 8. Using Pod Priority
    9. 9. Right-Sizing Resources
    10. 10. Monitoring Cluster Performance

  58. Implementing Security Best Practices

    1. 1. Implementing Network Segmentation
    2. 2. Enabling RBAC Authorization
    3. 3. Using Pod Security Standards
    4. 4. Scanning Container Images
    5. 5. Enabling Secrets Encryption
    6. 6. Using Admission Controllers
    7. 7. Enabling Audit Logging
    8. 8. Implementing mTLS
    9. 9. Rotating Certificates
    10. 10. Running CIS Benchmarks
    11. 11. Using Runtime Security
    12. 12. Implementing Supply Chain Security

  59. Implementing Cost Optimization

    1. 1. Right-Sizing Resources
    2. 2. Using Spot Instances
    3. 3. Implementing Cluster Autoscaler
    4. 4. Configuring Pod Disruption Budgets
    5. 5. Using Vertical Pod Autoscaler
    6. 6. Scheduling Workloads Efficiently
    7. 7. Implementing Resource Quotas
    8. 8. Using Storage Classes Wisely
    9. 9. Cleaning Up Unused Resources
    10. 10. Monitoring Cost Allocation

  60. Working with Multi-Cluster Federation

    1. 1. Understanding Multi-Cluster Patterns
    2. 2. Installing KubeFed
    3. 3. Creating Federated Clusters
    4. 4. Deploying Federated Resources
    5. 5. Configuring Placement Policies
    6. 6. Implementing Cross-Cluster Discovery
    7. 7. Using Multi-Cluster Ingress
    8. 8. Configuring Context Switching
    9. 9. Implementing Disaster Recovery
    10. Multi-Cluster DR Drill
    11. 10. Monitoring Federated Clusters