docker command (I used)

Whether to install Docker:
    Docker Version

start Docker:
    Service Docker Start

View Your machine can be mirrored:
    Docker ImagesRF Royalty Free

View Mirror running:
    Docker PS the -l
    
end mirror are running:
    Docker STOP imagesId / name    
    
Docker enter specific process:
    1, Docker PS - "get process ID
    2, Docker Inspect -f {} {} process ID .State.Pid -" live nsenter need ID
    . 3, the second step obtained nsenter --target id --mount --uts - -ipc --net --pid -> enter specific process

file docker with the process of copy
    1, docker ps - "get the process of the above mentioned id
    2, docker cp need to copy the files to process from the first step of the process id: required the path to copy
    the files in the copy process out of
       the process from the first step docker cp id: to be copied in the process need to copy the file path to the host file         

restart the process in Docker:
    Docker Docker restart process name

mysql:
    docker run --name mysql --privileged = true -e MYSQL_ROOT_PASSWORD = root -p 3306: 3306 -d mysql: 5.7

multi-instance: (name and host ports, require differentiation)
    Docker RUN --name mysql7 --privileged = true -e MYSQL_ROOT_PASSWORD = root -p 3307 : 3306 -d mysql: 5.7