How to Reset a Forgotten Root Password in Linux Mint
By default root does not have a password and the root account is locked until you give it a password. When you installed Ubuntu you were asked to create a user with a password. If you gave this user a password as requested then this is the password you need. If not, or you have forgotten it, then you need to set a password. [SOLVED] How do I logon as root in debian? - Spiceworks Mar 29, 2016 default root password in Debian? - LinuxQuestions.org
Aug 15, 2018
what is the root password for debian? - PINE64 Apr 29, 2016 How To Install MariaDB on Debian 10 | DigitalOcean
How to change root password on Debian Linux - nixCraft
DEBIAN / UBUNTU root PASSWORD RECOVERY. First screen - grub - press e; Modify kernel line: add single between ro quiet and at the end of this line add init=/bin/bash; Press F10; When the prompt is root@(none):/# you have to remount the / partition to have read-write access: mount / -rw -o remount; Now you are ready to modify the root password: type passwd and change it! What is the Debian Login & Password