Installation

Source: linuxconfig.org

sudo apt-get update
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
sudo apt-add-repository 'deb https://apt.dockerproject.org/repo ubuntu-xenial main'
sudo apt-get update

It should download from repository:

apt-cache policy docker-engine
sudo apt-get install -y docker-engine
sudo systemctl status docker
sudo usermod -aG docker $(whoami)
sudo usermod -aG docker aman
docker
docker info

Testing Docker

docker run hello-world
docker search ubuntu

Removing Images

Find out the Image ID:

docker images

Delete the Image:

docker rmi -f d9790ed1a768

To view all containers — active and inactive:

docker ps -a

Stopping a running or active container:

docker stop <container-id>

Removing a Container:

docker rm <container-id>

Installing MediaWiki

docker search mediawiki
docker run -d --name=mediawiki -p 80:80 linuxconfig/mediawiki
docker ps

Running same container again on next reboot

docker start mediawiki

Databases Credentials

Use the following command to update or reset MariaDB user password. The below command will set a new admin user password:

docker exec -it mediawiki mysqladmin -uadmin -ppass password abc123

To create a new database eg. mediawiki2 enter:

docker exec -it mediawiki mysqladmin -uadmin -ppass create mediawiki2

Multiple Instances

	This section is under construction.

References

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