Docker

dockers installieren

packet von docker installieren

• test -e /usr/lib/apt/methods/https || { apt-get update ; apt-get install ; apt-transport-https ; }

Then, add the Docker repository key to your local keychain

• sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9

Add the Docker repository to your apt sources list, update and install the lxc-docker package.

You may receive a warning that the package isn't trusted. Answer yes to continue installation.

• sudo sh -c "echo deb https://get.docker.com/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
• sudo apt-get update ; sudo apt-get install lxc-docker

packet von ubuntu (nicht zu älter)

• root@tac:~# apt-get install docker.io

image laden

• root@tac:~# docker pull ubuntu:10.04

image listen

• root@tac:~# docker images

REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
ubuntu              12.04               1f80e9ca2ac3        8 days ago          131.5 MB
ubuntu              10.04               3db9c44f4520        10 months ago       183 MB

perstitent starten des containers mit dem namen humppa

• root@tac:~# docker run -t -i -p 880:80 --name humppa ubuntu:10.04 bash

in der maschine

• root@64f3a5281e7e:/# cat /etc/issue

Ubuntu 10.04 LTS \n \l

• root@64f3a5281e7e:/# exit

• docker start -i ubuntu_persistent
• root@tac:~# docker start -i humppa

humppa

• root@64f3a5281e7e:/#

apache2 installieren

• root@64f3a5281e7e:/# apt-get update
• root@64f3a5281e7e:/# apt-get install apache2
• root@64f3a5281e7e:/# echo ServerName humppa >> /etc/apache2/apache2.conf
• root@64f3a5281e7e:/# service apache2 restart

netstat listing

• root@64f3a5281e7e:/# netstat -lntp

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      -

container verlassen

• root@64f3a5281e7e:/# exit

wieder auf dem host

• root@tac:~#

container anzeigen

• root@tac:~# docker ps -a

CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS                       PORTS               NAMES
64f3a5281e7e        ubuntu:10.04        bash                29 minutes ago      Exited (130) 2 seconds ago                       humppa

container löschen

• root@tac:~# docker rm 64f3a5281e7e

64f3a5281e7e

container verlassen

• CTRL+P danache CTRL+Q

container wieder betreten

• root@tac:~# docker attach 64f3a5281e7e

beispiele

• docker bind9
• docker bind9 und ssh

links

• https://docs.docker.com/articles/networking/
• https://www.debinux.de/2014/04/docker-io-grundlagen-zum-interaktiven-arbeiten/
• http://wiki.ubuntuusers.de/Baustelle/Docker
• https://docs.docker.com/userguide/usingdocker/
• http://www.heise.de/developer/artikel/Anwendungen-mit-Docker-transportabel-machen-2127220.html?artikelseite=1

wichtig

• http://stackoverflow.com/questions/25135897/how-to-automatically-start-a-service-when-running-a-docker-container

vodoo of entrypoint

-)

• http://stackoverflow.com/questions/21553353/what-is-the-difference-between-cmd-and-entrypoint-in-a-dockerfile

mehrere dienste parallel starten

https://docs.docker.com/articles/using_supervisord/