At system startup (boot options) press the letter "e"
* Locate the line that contains the word "Linux"
* Using erase backspaces "rhgb" guidelines and "quiet" and at the end of the line type init=/bin/sh
* Press Ctrl + x to boot the system with the changes applied.
* The system is mounted in read-only mode, run the following statement to allow write about the key file: mount -o remount, rw /
* Use the command "passwd root" and place the key you want
* Relabel the selinux with the following command: touch /.autorelabel
* Reboot your system with the following command: exec /sbin/init
* Enter the team and provide the key to return to the previous procedure