Certified Kubernetes Application Developer (CKAD) Study Guide
- Autor:
- Benjamin Muschko
- Ocena:
- Bądź pierwszym, który oceni tę książkę
- Stron:
- 190
- Dostępne formaty:
-
ePubMobi
Opis ebooka: Certified Kubernetes Application Developer (CKAD) Study Guide
Developers with the ability to operate, troubleshoot, and monitor applications in Kubernetes are in high demand today. To meet this need, the Cloud Native Computing Foundation created a certification exam to establish a developer's credibility and value in the job market to work in a Kubernetes environment.
The Certified Kubernetes Application Developer (CKAD) exam is different from the typical multiple-choice format of other certifications. Instead, the CKAD is a performance-based exam that requires deep knowledge of the tasks under immense time pressure.
This study guide walks you through all the topics you need to fully prepare for the exam. Author Benjamin Muschko also shares his personal experience with preparing for all aspects of the exam.
- Learn when and how to apply Kubernetes concepts to manage an application
- Understand the objectives, abilities, tips, and tricks needed to pass the CKAD exam
- Explore the ins and outs of the kubectl command-line tool
- Demonstrate competency for performing the responsibilities of a Kubernetes application developer
- Solve real-world Kubernetes problems in a hands-on command-line environment
- Navigate and solve questions during the CKAD exam
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Szczegóły ebooka
- ISBN Ebooka:
- 978-14-920-8368-9, 9781492083689
- Data wydania ebooka:
- 2021-02-02 Data wydania ebooka często jest dniem wprowadzenia tytułu do sprzedaży i może nie być równoznaczna z datą wydania książki papierowej. Dodatkowe informacje możesz znaleźć w darmowym fragmencie. Jeśli masz wątpliwości skontaktuj się z nami sklep@ebookpoint.pl.
- Język publikacji:
- angielski
- Rozmiar pliku ePub:
- 2.9MB
- Rozmiar pliku Mobi:
- 6.8MB
Spis treści ebooka
- Preface
- Who This Book Is For
- What You Will Learn
- Conventions Used in This Book
- Using Code Examples
- OReilly Online Learning
- How to Contact Us
- Acknowledgments
- 1. Exam Details and Resources
- Exam Objectives
- Curriculum
- Core Concepts
- Configuration
- Multi-Container Pods
- Observability
- Pod Design
- Services & Networking
- State Persistence
- Exam Environment and Tips
- Candidate Skills
- Time Management
- Command Line Tips and Tricks
- Setting a Context and Namespace
- Using an Alias for kubectl
- Internalize Resource Short Names
- Deleting Kubernetes Objects
- Finding Object Information
- Discovering Command Options
- Practicing and Practice Exams
- Summary
- 2. Core Concepts
- Kubernetes Primitives
- Using kubectl to Interact with the Kubernetes Cluster
- Object Management
- Imperative Approach
- Declarative Approach
- Hybrid Approach
- Which Approach to Use?
- Other Notable Commands
- Deleting an object
- Editing a live object
- Replacing a live object
- Updating a live object
- Understanding Pods
- Containerization Process
- Container Concepts
- Example: Containerizing a Java-Based Application
- Creating Pods
- Listing Pods
- Pod Life Cycle Phases
- Rendering Pod Details
- Accessing Logs of a Pod
- Executing a Command in Container
- Deleting a Pod
- Configuring Pods
- Declaring Environment Variables
- Defining a Command with Arguments
- Understanding Namespaces
- Listing Namespaces
- Creating and Using a Namespace
- Deleting a Namespace
- Summary
- Exam Essentials
- Sample Exercises
- 3. Configuration
- Defining and Consuming Configuration Data
- Creating a ConfigMap
- Consuming a ConfigMap as Environment Variables
- Mounting a ConfigMap as Volume
- Creating a Secret
- Consuming a Secret as Environment Variables
- Mounting a Secret as Volume
- Defining and Consuming Configuration Data
- Understanding Security Contexts
- Understanding Resource Boundaries
- Creating a ResourceQuota
- Exploring ResourceQuota Enforcement
- Understanding Service Accounts
- Creating and Assigning Custom Service Accounts
- Summary
- Exam Essentials
- Sample Exercises
- 4. Multi-Container Pods
- Defining Multiple Containers in a Pod
- Init Containers
- The Sidecar Pattern
- The Adapter Pattern
- The Ambassador Pattern
- Summary
- Exam Essentials
- Sample Exercises
- 5. Observability
- Understanding Health Probing
- Readiness Probe
- Liveness Probe
- Startup Probe
- Debugging in Kubernetes
- Troubleshooting Pods
- Debugging YAML manifests
- Retrieving high-level information
- Inspecting events
- Inspecting logs
- Troubleshooting Pods
- Opening an Interactive Shell
- Using an Ephemeral Container
- Troubleshooting Services
- Monitoring
- Summary
- Exam Essentials
- Sample Exercises
- 6. Pod Design
- Understanding Labels
- Declaring Labels
- Inspecting Labels
- Modifying Labels for a Live Object
- Using Label Selectors
- Label Selection from the Command Line
- Label Selection in a Manifest
- Understanding Annotations
- Declaring Annotations
- Inspecting Annotations
- Modifying Annotations for a Live Object
- Understanding Deployments
- Creating Deployments
- Listing Deployments
- Rendering Deployment Details
- Rolling Out a New Revision
- Rolling Back to a Previous Revision
- Manually Scaling a Deployment
- Autoscaling a Deployment
- Horizontal Pod Autoscaler
- Understanding Jobs
- Creating and Inspecting Jobs
- Job Operation Types
- Restart Behavior
- Restarting the Container on Failure
- Starting a New Pod on Failure
- Understanding CronJobs
- Creating and Inspecting Jobs
- Configuring Retained Job History
- Summary
- Exam Essentials
- Sample Exercises
- 7. Services & Networking
- Understanding Services
- Service Types
- Creating Services
- Listing Services
- Rendering Service Details
- Port Mapping
- Accessing a Service with Type ClusterIP
- Accessing a Service with Type NodePort
- Deployments and Services
- Understanding Network Policies
- Creating Network Policies
- Listing Network Policies
- Rendering Network Policy Details
- Isolating All Pods in a Namespace
- Restricting Access to Ports
- Summary
- Exam Essentials
- Sample Exercises
- 8. State Persistence
- Understanding Volumes
- Volume Types
- Creating and Accessing Volumes
- Understanding Persistent Volumes
- Static Versus Dynamic Provisioning
- Creating PersistentVolumes
- Creating PersistentVolumeClaims
- Mounting PersistentVolumeClaims in a Pod
- Summary
- Exam Essentials
- Sample Exercises
- Answers to Review Questions
- Chapter 2, Core Concepts
- Chapter 3, Configuration
- Chapter 4, Multi-Container Pods
- Chapter 5, Observability
- Chapter 6, Pod Design
- Chapter 7, Services and Networking
- Chapter 8, State Persistence
- Index
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