Ubuntu 14.04
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Docker : Install
2014/06/16
 
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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