8 Most important docker commands for beginner
Docker
These are the most important commands that everyone must know. If you try to run all these commands and see the output, then it will be easier to understand them.
1. Docker ps
2. Docker run
3. Docker exec
4. Docker images
5. Docker stop
6. Docker kill
7. Docker rm
8. Docker rmi
Docker ps
Docker ps command is used to list containers’ details. By default it lists all running containers. We can use different options to control the list.
Syntax:
docker ps [OPTIONS]
Docker run
Docker run is the most used and most powerful command. This command is used to create new docker container from docker image.
Syntax:
docker run [OPTIONS] IMAGE [COMMAND] [ARG…]
Docker exec
The docker exec command is used to run a new command in already running container.
Syntax:
docker exec [OPTIONS] CONTAINER_ID/NAME COMMAND [ARG…]
Docker images
This command is used to list downloaded images, sometimes it is useful see all downloaded images.
Syntax:
Docker images
Docker stop
Docker stop command is used to stop one or more running container with 10 seconds of default waiting time.
Syntax:
docker stop container1 [containers . . ]
Docker kill
Docker kill command is used to stop one or more running container forcefully.
Syntax:
docker kill container1 [containers …]
Docker kill
Docker kill command is used to stop one or more running container forcefully.
Syntax:
docker kill container1 [containers …]
Docker rm
Docker rm command deletes one or more container.
Syntax:
docker rm [OPTIONS] CONTAINER [CONTAINER…]
Docker rmi
Docker rmi command is used to delete one or more downloaded images. This command helps to free up memory by deleting not required images.
Syntax:
docker rmi [OPTIONS] IMAGE [IMAGE…]
Thank You
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