Basic Commands
1.
docker version
- Displays the Docker version
installed on the system.
2.
docker -v
- Short form of
docker version. It shows the Docker version.
3.
docker info
- Provides detailed
information about the Docker installation.
4.
docker --help
- Displays general help
information.
- Example: To get
information about specific commands:
docker images --help: Details about managing images.docker run --help: Details about running containers.
5.
docker login
- Logs into a Docker registry,
such as Docker Hub. Used for push or pull docker images from Docker Hub.
Images Commands
6.
docker images
- Lists all the Docker images
present on the machine.
7.
docker pull
- Pulls an image from a Docker
registry. You can find Docker images here: https://hub.docker.com/search?q=&type=image
- Example:
docker pull ubuntu
8.
docker rmi
- Removes Docker images.
docker images -q: Lists image IDs.docker rmi <image ID>: Deletes the specified image.- After deletion, confirm
with
docker images.
Container Commands
9.
docker ps & docker run
docker ps: Lists running containers.docker run <image>: Creates a container from a specified image. If local image is not available then it will pull from Docker Hub automatically.- Example:
docker run ubuntu. - Example: docker
run -it ubuntu //For
interaction
10. docker start
- Starts a stopped container.
- Example:
docker start <container id>.
11.
docker stop
- Stops a running container.
- Example:
docker stop <container id>.
12.
docker rm
- Removes a container.
- Example:
docker rm <container id or name>.
System Commands
12.
docker stats
- Provides resource usage
statistics for running containers, such as CPU, memory, etc.
13.
docker system df
- Displays disk usage related
to Docker.
14. docker system prune
- Cleans up unused data, such
as stopped containers.
docker system prune -f: Forcefully removes all stopped containers.
These commands form the basic toolkit for managing Docker
containers and images, as well as maintaining the Docker environment.
