Docker for the Absolute Beginner - Hands-On - Basic Docker Commands

This video tutorial covers the basics of using Docker commands to manage containers and images. It explains how to run containers using the Docker run command, manage them with Docker PS, and stop or remove them. The tutorial also discusses managing Docker images, executing commands within containers, and running containers in different modes. The focus is on understanding the fundamental Docker CLI commands and their applications.

What happens when you run the Docker run command for an image that is not present locally?

• The command runs without the image.

• Docker pulls the image from Docker Hub.

• Docker automatically builds the image.

• The command fails with an error.

Which command would you use to list all running containers?

• docker list

• docker ps

• docker show

• docker containers

How can you permanently remove a stopped container?

• docker rm

• docker delete

• docker remove

• docker clean

Which command lists all available Docker images on the host?

• docker image list

• docker show images

• docker list images

• docker images

What must you ensure before removing a Docker image?

• The image is backed up.

• The image is tagged.

• The image is not used by any running containers.

• The image is older than a week.

How can you execute a command inside a running Docker container?

• docker start

• docker attach

• docker exec

• docker run

What does the -d option do when running a Docker container?

• Displays detailed logs of the container.

• Deletes the container after execution.

• Runs the container in detached mode.

• Runs the container in debug mode.