How to fix linux ROOT Password loss

Article Title: how to fix linux ROOT Password loss. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
When the boot prompt appears in linux, you can enter
Boot: linux init = xxx
Xxx is an executable file name. in this case, linux uses the process of this file to replace the traditional process init. that is to say, if the password is lost, enter
Boot: linux init =/bin/sh rw
In this case, linux will start a root-permission shell to replace the init process. at this time, the user interface is very similar to the single-user interface. Rw indicates that the root partition on the mount is read/write (not writable by default). you can use the passwd command to change the root password. However, you need to call the sync command to synchronize data. You can start it next time.