Docker Learning Notes (3) How to delete a-docker warehouse image

Docker is becoming more and more popular, and if your team is ready to start using Docker, then a private repository is essential, first of all to help you speed up the pull image from the server, and, second, to help you store a private image. This article is about how to open a images backup from a public server to a local private server.
Docker images often fills the hard disk space unconsciously, in order to clean up the redundant image, the following methods can be used:

1. Enter root permissions

sudo su

2. Stop all container so that you can delete the images:

Docker stop $ (Docker ps-a-Q)

If you want to delete all container, add one more command:

Docker RM $ (Docker ps-a-Q)

3. See what images is currently

Docker images

4. Delete the images, by the ID of the image to specify who to delete

Docker RMI <image id>

If you want to delete untagged images, which is the image with ID <None>, you can use

Docker RMI $ (Docker images | grep "^<none>" | awk "{print $}")

To delete all of the image,

Docker RMI $ (Docker images-q)

Docker Learning Notes (3) How to delete a-docker warehouse image