Docker : Install2017/08/03 |
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Install Docker which is the Operating System-Level Virtualization Tool, which automates the deployment of applications inside Containers.
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| [1] | Install Docker. |
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root@dlp:~#
root@dlp:~# apt -y install apt-transport-https ca-certificates software-properties-common wget https://download.docker.com/linux/debian/gpg root@dlp:~# apt-key add gpg OK
root@dlp:~#
root@dlp:~# add-apt-repository "deb https://download.docker.com/linux/debian stretch stable" root@dlp:~# apt update root@dlp:~# apt install docker-ce
systemctl start docker root@dlp:~# systemctl enable docker |
| [2] | Download an official image and create a Container and output the words [Welcome to the Docker World] inside the Container. |
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# download the image root@dlp:~# docker pull debian
# 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. |
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root@dlp:~#
root@b1a3e647c900:/# docker run -it debian /bin/bash root@b1a3e647c900:/# # Container's console
exit exit root@dlp:~# # back
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| [4] | If exit from the Container session with keeping container's process, push [Ctrl+p] and [Ctrl+q] key. |
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root@dlp:~#
docker run -it debian /bin/bash root@ba8481569c85:/# root@dlp:~# # Ctrl+p, Ctrl+q
# show docker process root@dlp:~# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES ba8481569c85 debian "/bin/bash" 29 seconds ago Up 28 seconds eager_snyder # connect to container's session root@dlp:~# docker attach ba8481569c85 root@ba8481569c85:/# # shutdown container's process from Host's console root@dlp:~# docker kill ba8481569c85 ba8481569c85 root@dlp:~# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES |
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