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==Using an Docker image==
==Using an Docker image==
By default, there are several pre-build images available from the official [https://registry.hub.docker.com/ Docker Hub]. In our examples we will use the pre-build centos6 image.
By default, there are pre-build images available from the official [https://registry.hub.docker.com/ Docker Hub]. In our examples we will use the pre-build centos6 image.
By default, downloaded images on your local server will be places in /var/lib/docker. If you want to store these images elsewhere, then you can create a symbolic link from that storage location pointing to /var/lib/docker.
To get a list of all available cntos images you can use:
docker search centos
You will be flooded with available images from the Docker hub. This is because everyone can have a free account on Docker hub and create one repository for him/herself. We limit our testing to the official Centos repo. With all the other images, you are on your own and usage is at your own risk.
By default, downloaded images from the Docker hub to your local server will be places in /var/lib/docker. If you want to store these images elsewhere, then you can create a symbolic link from that storage location pointing to /var/lib/docker.
* Note: See if we can change this default location in another way, config file?
* Note: See if we can change this default location in another way, config file?
