Question or issue on macOS:
Install Docker on El Capitan. GitHub Gist: instantly share code, notes, and snippets.
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- Docker for Mac has the following system requirements: macOS El Capitan 10.11, or a newer macOS release; At least 4 GB of RAM; The Mac hardware must be a 2010 or newer model, with Intel's hardware support for Memory Management Unit (MMU) virtualization, including Extended Page Tables (EPT) and unrestricted mode. To see whether your machine.
- Dead in the water trying to get started on Mac El Capitan. First time using docker. Imac:docker Brad$ eval '$(docker-machine env default)' imac:docker Brad$./build-xframes-docker Password: Cannot connect to the Docker daemon. Is the docker daemon running on this host? Imac:docker Brad$ docker run hello-world.
Docker newbie here. I’m using a Mac Book Pro with 128Gb disk. Is there any way to have the docker images be stored in an external hard drive rather than on the mac’s main drive? I don’t have that much free space, and can’t afford to remove any installed software. Ideally I’d like to have Docker fetch the images from an external drive. Can this be done using a symlink?
Thanks
How to solve this problem?
Solution no. 1:
Eventually figured out that docker can use a symlink. In a Mac OS setup the file that I want to place in an external drive is located at
~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/
and is named
Docker.qcow2
Just move the file to an external disk drive (for instance) and create a symlink pointing to the new location
Docker Toolbox El Capitan
Solution no. 2:
Docker El Capitan Update
I was able to get this working and documented it here. It is basically a symlink to the folders mentioned.
Hope this helps!
Docker is a tool that makes containers: local environments in which you can run certain versions of software (I haven’t explained this very well). This means that you can, for example, set up a local webserver with the specific versions of PHP, Apache and MySQL that your app or site depends on. I went to a Bristol PHP Training session on Docker a couple of weeks ago, and Nigel took us through all the basic possibilities.
One problem is that I am stuck on OS X 10.11 El Capitan, with which Docker for Mac isn’t compatible, and I couldn’t use the Docker Toolbox installer. Instead I had to follow this article to install Docker on Mac OS X 10.11.
I used VirtualBox to create a new Docker virtual machine, devbox.
Docker El Capitan Software
Now, when I need to use Docker, I run:
This enters the virtual machine. The key difference with using Docker as a virtual machine is that, where you would use localhost to access your sites, you need to use the virtual machine’s IP address. This can be found using:
Docker Mac El Capitan
So far I’ve managed to set up the Wagtail Bakery demo using Docker, and a PHP 5.6 server to run an outdated site that I need to refactor. These are all things that I wouldn’t have had a clue how to do a few months ago, so thanks Nigel, and thanks Docker!