Linux system root user forgot password reset method

How to reset the root password for CentOS 7

The way to reset the CentOS 7 root password is completely different from CentOS 6. Let me show you how it's done.

1. Start the Grub menu by selecting the Edit option:

2, press the keyboard e key, to enter the editing interface:

3. Find the line of Linux 16 and change the RO to RW init=/sysroot/bin/sh

4. Now press Control+x and start with single-user mode:

5. Now, you can access the system using the following command:

Chroot/sysroot

6. Reset Password: (according to the prompt input)

passwd Root

7. Update System Information:

Touch/.autorelabel

8. Exit Chroot:

Exit

9. Restart the system:

Reboot

Linux system root user forgot password reset method