Debian 10 Buster
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Docker : Install2019/07/24

 
Install Docker which is the Operating System-Level Virtualization Tool, which automates the deployment of applications inside Containers.
[1] Install Docker.
root@dlp:~#
apt -y install docker.io
[2] Download an official image and create a Container and output the words [Welcome to the Docker World] inside the Container.
# download the image

root@dlp:~#
docker pull debian
Using default tag: latest
latest: Pulling from library/debian
5ae19949497e: Pull complete
Digest: sha256:903779f30a7ee46937bfb21406f125d5fdace4178074e1cc71c49039ebf7f48f
Status: Downloaded newer image for debian:latest

# run echo inside Container

root@dlp:~#
docker run debian /bin/echo "Welcome to the Docker World!"

Welcome to the Docker World!
[3] Connect to the interactive session of a Container with [i] and [t] option like follows. If exit from the Container session, the process of a Container finishes.
root@dlp:~#
docker run -it debian /bin/bash

root@7f48eb4b9db4:/#    
# Container's console

root@7f48eb4b9db4:/#
uname -a

Linux 7f48eb4b9db4 4.19.0-5-amd64 #1 SMP Debian 4.19.37-5 (2019-06-19) x86_64 GNU/Linux
root@7f48eb4b9db4:/#
exit

exit
root@dlp:~#    
# come back
[4] If exit from the Container session with keeping container's process, push [Ctrl+p] and [Ctrl+q] key.
root@dlp:~#
docker run -it debian /bin/bash

root@155deb48bfb8:/# root@dlp:~#    
# Ctrl+p, Ctrl+q
# show docker process

root@dlp:~#
docker ps

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
155deb48bfb8        debian              "/bin/bash"         16 seconds ago      Up 14 seconds                           agitated_albattani

# connect to container's session

root@dlp:~#
docker attach 155deb48bfb8

root@155deb48bfb8:/#
# shutdown container's process from Host's console

root@dlp:~#
docker kill 155deb48bfb8

155deb48bfb8
root@dlp:~#
docker ps

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

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