Steps to change the default location.
Step 1. Stop docker daemon.
Step 2. Make sure that there are no docker related processes.
ps aux|grep docker
Step 3. Move the contents of /var/lib/docker to your new location.
mv /var/lib/docker /home/
Step 4. Create a softlink to default location.
ln -s /home/docker/ /var/lib/docker
Step 5. Start docker daemon.
Step 6. Make sure all the images and data are working from the new location.
Copy from crybit
- Step 3 is longest to processing. Unless dare remove with backup database and reinstall docker on computer, let the content of that folder is not heavy at all then able move it quickly. And then you should import an backup database on docker which is emty after you reinstall docker.
- Remove docker
sudo apt-get purge docker-engine
sudo apt-get autoremove --purge docker-engine
- Update the apt package index, and install the latest version of Docker Engine and containerd, or go to the next step to install a specific version:
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io
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