How can I delete Docker's images?

Question

I\'ve the following images:

alex@alexvps:~$ sudo docker images
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
&         


        

Answer 1

First, remove all the containers using the following command

sudo docker ps -a -q | xargs -n 1 -I {} sudo docker rm {}

Then, remove the image by its ID using the following command

sudo docker rmi