Do I need Docker installed on my computer?

No! You'll practice in our cloud-based Docker environment directly in your browser. No installation or setup required.

Each step includes hints and detailed instructions. You can retry as many times as needed, and your progress is automatically saved.

Is this scenario free?

Yes! This scenario is completely free. Create an account to start learning.

Is this content up-to-date?

Yes! All scenarios are regularly updated to match the latest Docker versions and best practices.

Scenarios/Docker Fundamentals for Beginners

PracticalBeginnerFree

20 min

No setup required

Logs and Debug: Find What's Wrong

Container crashing? 3 commands to understand why! Master docker logs, docker inspect, and docker exec to diagnose and fix container issues. Learn the systematic approach to debugging that every Docker user needs.

Start This Scenario

Type

Practical (Terminal)

Difficulty

Beginner

Duration

20 min

Interactive Learning Experience

Practice in a real Docker environment directly in your browser

Terminal

root@instance01:/# docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

root@instance01:/# docker swarm init

Swarm initialized: current node is now a manager.

root@instance01:/# docker node ls

ID HOSTNAME STATUS AVAILABILITY MANAGER STATUS

abc123 * instance01 Ready Active Leader

root@instance01:/# _

Real terminal with Docker pre-installed

Step-by-step guided instructions

Automatic validation of your progress

No installation or setup required

Unlock Requirements

Complete these scenarios first to unlock this one:

Docker Compose: Stack Web + Database

Prerequisite

Related Scenarios

View All Scenarios

Introduction to Docker: Fundamental Concepts

Start your Docker journey with this comprehensive introduction. Learn what Docker is, why it's revolutionary, and understand the core concepts of images and containers. No terminal needed - pure theory!

15min

Beginner

Docker Fundamentals - Getting Started (DCA)

Master Docker fundamentals based on Docker Certified Associate preparation: installation, container identification, port binding, execution modes, docker exec, restart policies, and disk management

30min

Beginner

Hello Docker: Your First Container in 5 Minutes

Take your first steps with Docker by running the hello-world container. Learn the fundamental commands to run, list, and clean up containers. Perfect for absolute beginners!

10min

Beginner

Docker Fundamentals - Hands-on Practice (DCA)

Hands-on Docker exercises covering container identification, port binding, execution modes, docker exec, restart policies, and disk management based on Docker Certified Associate preparation

45min

Beginner