#90DAYSOFDEVOPSCHALLENGE

Day 20 Task: Docker Cheat-Sheet.

• Commands to setup docker in EC2 :

* sudo yum update -y

* sudo amazon-linux-extras install docker

* sudo service docker start

* sudo systemctl enable docker

* sudo usermod -a -G docker ec2-user  (Permissions denied)

• General Management :

*It will allow you to obtain general information about the system and connect to remote Docker resources.

• To log / logout in to a Docker registry :

docker login
docker logout

• To show the version of the local Docker installation :

docker version

• Display information about the system :

docker info

• Container Management :

*Here we show how to create, manage, and remove containers from your Docker system.

• To see the containers currently running on the system :

docker ps

• To see all the containers, both running and non-running :

docker ps -a

• To create a container :

docker create [image]

• To rename an existing container :

docker rename [container] [new_name]

• Delete a container :

docker rm [container]

• To view logs for a running container :

docker logs [container]

• Update the configuration of one or more containers :

docker update [container]

• To view port mapping for a container :

docker port [container]

• To show running processes in a container :

docker top [container]

• To view live resource usage statistics for a container :

docker stats [container]

• To show changes to files or directories on the filesystem :

docker diff [container]

• To copy a local file to a directory in a container :

docker cp [file-path] CONTAINER:[path]

• Running a Container :

*Here a commands show you how to start and stop processes in a container.

• Run a command in a container based on an image :

docker run [image] [command]

• To establish a connection with a container by mapping a host port to a container port :

docker run -p [host-port]:[container-port] [image]

• To start / Stop / restart / wait / kill / attach a container :

docker start [container]
docker stop [container]
docker restart [container]
docker wait [container]
docker kill [container]
docker attach [container]

• Image Management :

*Here a commands for working with Docker images.

• Create an image from a Dockerfile. And docker build [dockerfile-path].

docker build [dockerfile-path]
docker build .

• Create an image from a Dockerfile and tag it.

docker build -t [name]:[tag] [dockerfile-path]

• To Pull / Push / history an image from a registry :

docker pull [image]
docker push [image]
docker history [image]

• Remove unused images :

docker image prune

• Plugin Management :

• To enable / disable a Docker plugin :

docker plugin enable [plugin]
docker plugin disable [plugin]

• Create a plugin from config.json and rootfs :

docker plugin create [plugin] [path-to-data]

• To docker plugin create [plugin] [path-to-data].

docker plugin rm [plugin]

Thank you for reading this blog. I hope you find this really interesting.

If you like it then press ‘Clap’ button and Follow me on Linkedin & Github platform.

— Abhay Vishwakarma

*References :-

!If you want more info then visit here….“Docker Cheat Sheet”……..!!!