The following methods can be used for resetting the root password if the root password is unknown. If you use GRUB for booting, select the system to be booted, and add 1 to the end of the kernel boot ...

If you deploy Docker containers based on an official imagine, you might want to set a root password for heightened security.

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.