Also: The best Linux distros for beginners With sudo in place, users no longer had to change to the root user or log in to that account to run administrative commands, such as installing software.

While new Alpine Linux images have been released on Docker Hub, existing systems should be modified to either disable the root account or, at least, set a custom password.

A security vulnerability in the Official Docker images based on the Alpine Linux distribution allowed for more than three years logging into the root account using a blank password.

In addition to a regular account, a secondary user account known as a root account, is also created when Ubuntu is installed. This is an administrative superuser account that allows users to decide ...

Alpine Linux Docker images available via the Docker Hub contained a critical flaw allowing attackers to authenticate on systems using the root user and no password.