Docker: How to save disk space

Published: Mon, Jun 23, 2025

Today, Vincent explains how to clear out old Docker images from your Linux system.

Links:

• Docker Docs - Prune

Video Notes

Docker stores images, which are the basis of containers. When we update our system, it’s generally safe to remove unused images. Below is the command to remove all old images. Please note that this command uses the -f flag, which forces removal without prompting for confirmation.

sudo docker system prune -a -f