Centos7 forgot root Password change

When using the Linux system have not encountered the forgotten root password situation, if you encounter such a situation, what should we do? Do you want to reinstall the system? Of course not! Simply change the root password by going to single-user mode. How to get into it? The following is the whole process of Centos7 changing passwords through single-user mode.

1. When the Grub menu is started, select the Edit option to start

2. Edit the options we selected by e key

3, in the "RO" position, "ro" replaced by "RW init=/sysroot/bin/sh"

4. Press Ctrl+x through the keyboard to enter single-user mode, then change the root password

Chroot/sysroot   # Use chroot command to access system passwd root # Change root password Touch/.autorelabel  # Update System info exit # Exit Chroot mode reboot # Reboot system

Centos7 forgot root Password change