The video tutorial demonstrates how to create a non-root user named Himanshu and addresses a permission denied error when running Docker commands. The error occurs because the user is not part of the Docker group. The tutorial guides through checking file permissions and modifying user permissions to include the user in the Docker group, allowing successful execution of Docker commands.

How can a user be added to the Docker group to resolve permission issues?

What should you do if you encounter a permission denied error while using Docker?