Before the system startup process, press any key to enter the start parameter editing interface, use the UP and DOWN ARROW keys to switch to the "Kernel" entry, and then press the keyboard "E" into the editing mode, the last side of the startup parameters to add a space after the "single" press Enter back to the previous selection interface, press the keyboard "B", With the "passwd" function, after filling in two new passwords, you can use "reboot" to reboot so that the root password is reset.
This method is not my original, but also i a word a word of my own knock out, write this article is not innovation, just to record my study of the process of Linux a start, but also I began to write a blog start.
This article is from the "Belieflinux" blog, make sure to keep this source http://belief.blog.51cto.com/9437182/1559604
Resetting the root password for Linux