SLES 15
Sponsored Link

Docker : Install
2019/01/22
 
Install Docker which is the Operating System-Level Virtualization Tool, which automates the deployment of applications inside Containers.
[1] Install Docker.
# add extension module first

dlp:~ #
SUSEConnect -p sle-module-containers/15/x86_64

dlp:~ #
zypper -n install docker
dlp:~ #
systemctl start docker

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.
# download official image

dlp:~ #
docker pull fedora

Using default tag: latest
Trying to pull repository docker.io/library/fedora ...
.....
.....
# run echo inside Container

dlp:~ #
docker run fedora /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.
dlp:~ #
docker run -i -t fedora /bin/bash

[root@5d7232bed21f /]#    
# connected
[root@5d7232bed21f /]#
uname -a

Linux 5d7232bed21f 4.12.14-25.25-default #1 SMP Thu Oct 25 16:07:27 UTC 2018 (d2d8b17) x86_64 x86_64 x86_64 GNU/Linux
[root@5d7232bed21f /]#
exit

exit
dlp:~ #    
# come back
[4] If exit from the Container session with keeping container's process, push [Ctrl + p] and [Ctrl + q] key.
dlp:~ #
docker run -i -t fedora /bin/bash

[root@07a6aed99d97 /]# dlp:~ #    
# Ctrl+p, Ctrl+q
# show docker process

dlp:~ #
docker ps

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES
07a6aed99d97        fedora              "/bin/bash"         27 seconds ago      Up 26 seconds                           affectionate_rosalind

# connect to container's session

dlp:~ #
docker exec -it 07a6aed99d97 /bin/bash

[root@07a6aed99d97 /]#    
# connected
# shutdown container's process from Host's console

dlp:~ #
docker kill 07a6aed99d97

07a6aed99d97
dlp:~ #
docker ps

CONTAINER ID    IMAGE          COMMAND       CREATED          STATUS          PORTS     NAMES
Matched Content
 
Tweet