Docker : Install2014/06/16

	Install Docker which is the LXC (Linux Containers) based Container Tool.
[1]	Install Docker

root@dlp:~#

apt-get -y install docker.io

root@dlp:~#

ln -s /usr/bin/docker.io /usr/bin/docker

[2]	Download the ubuntu official image and create a Container and output the words "Welcome to the Docker World" from the Container.

# download the "ubuntu" image

root@dlp:~#

docker pull ubuntu

# execute echo from the Container

root@dlp:~#

docker run ubuntu /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 finishs.

root@dlp:~#

docker run -i -t ubuntu /bin/bash

root@8ca23c655c05:/#

# Container's console

root@967cdf700a39:/#

exit

exit
root@dlp:~#

# just be back

[4]	If exit from the Container session with keeping container's process, push Ctrl+p, and Ctrl+q key.

root@dlp:~#

docker run -i -t ubuntu /bin/bash

root@00cc6c8edf1b:/# root@dlp:~#

# Ctrl+p, Ctrl+q key to back to Host's console

# show docker process

root@dlp:~#

docker ps

CONTAINER ID     IMAGE           COMMAND      CREATED          STATUS          PORTS     NAMES
f4421c9a3182     ubuntu:14.04    /bin/bash    4 minutes ago    Up 4 minutes              kickass_davinci

# connect to container's session

root@dlp:~#

docker attach f4421c9a3182

root@f4421c9a3182:/#

# shutdown container's process from Host's console

root@dlp:~#

docker kill f4421c9a3182

f4421c9a3182
root@dlp:~#

docker ps

CONTAINER ID     IMAGE           COMMAND      CREATED          STATUS          PORTS     NAMES

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