docker command help

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docker command --help

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use images

list images

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docker images

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start container by image

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docker run -t -i ubuntu:16.04 /bin/bash

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search images

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docker search mysql

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get new images

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docker pull ubuntu:18.04

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delete image

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docker rmi ubuntu:18.04

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[more operations][https://www.runoob.com/docker/docker-image-usage.html]

use container

start container

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docker run -t -i ubuntu:16.04 /bin/bash ## -d background

show containers

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docker ps -a

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stop & start & restart container

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docker start container_id ## RUN IN THE BACKGROUND
docker stop container_id
docker restart container_id

enter container

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docker attach container_id ## use exit will stop container
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docker exec -it container_id /bin/bash  ## use exit will not stop container

export container

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docker export container_id > container.tar

import container_snap to image

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cat docker/mysql.tar | docker import - mysql:v1

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delete container

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docker rm -f container_id

show container’s port mapping

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docker port container_id

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connect container by port mapping

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docker run -d -p 3306:3306 -e MYSQL_ROOT_PASSWORD = 123456 mysql

connect containers

create a docker network

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docker network create -d bridge hadoop-net

show networks

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docker network ls

run a container and connect to the network

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docker run -itd --name hadoop1 --network hadoop-net ubuntu /bin/bash
docker