This should free up to 64GB of space on your laptop hard drive.

Former HCC members be sure to read and learn how to activate your account here.

Over time, you may find your available storage space has become a regular concern.

Its not uncommon to use an external hard drive to augment available storage space.

This means the image, which can grow up to 64GB in size by default, is located on your laptops primary hard drive.

This tutorial will guide you through the process of moving your Docker virtual machine image to a different location, an external drive in this case.

This will free up to 64GB of space on your primary laptop hard drive and let you expand the size of the Docker image file later.

Before shutting down Docker, make sure all of your containers have been stopped.

Using the menu shown above, click on the Quit Docker menu option.

Docker 17.04 Mac Icon Is

You should notice the Docker for Mac icon is no longer visible.

This will temporarily use more space on your laptop hard drive.

Make sure you have enough room to hold two copies of the data.

As mentioned before, the Docker image can be up to 64GB by default.

You need to be sure you have room for 2 copies of the com.docker.driver.amd64-linux directory.

I am going to store my Docker virtual machine image in VolumesSamsungDockerimage.

You should store the image in a location that makes sense for you.

Lets confirm the directory now exists on the external hard drive.

Before creating the link, we need to remove the current image directory on our laptop hard drive.

In this case, target is the location on the external drive and source is the location on the internal drive.

This is done by running the application from the Applications folder in the Finder.

You should notice the Docker for Mac icon is now back in the main menu bar.

You can also check via ps -ef grep -i com.docker.

You should see something similar to this.

You can also check the timestamp of files in the Docker image directory on the external hard drive.

You can start the HDP sandbox via docker start sandbox if youve already installed it as listed in the prerequisites.

Docker For Mac 17.04