docker常用命令

docker command help

docker command --help

use images

list images

docker images

start container by image

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

search images

docker search mysql

get new images

docker pull ubuntu:18.04

delete image

docker rmi ubuntu:18.04

more operations

use container

start container

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

show containers

docker ps -a 

stop & start & restart container

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

enter container

docker attach container_id ## use exit will stop container

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

export container

docker export container_id > container.tar

import container_snap to image

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

delete container

docker rm -f container_id

show container’s port mapping

docker port container_id

connect container by port mapping

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

connect containers

create a docker network

docker network create -d bridge hadoop-net

show networks

docker network ls

run a container and connect to the network

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