How To Reset Root Password in CentOS 7
In the boot grub menu select option to edit (Hit Enter or Shift key to enter Grub menu). Grub Menu select option to edit 2 — Select Option to edit (Press e for edit). Change in line no 16(may vary system to system) replace ro 3 — Go to the line of Linux 16 and change ro with rw init=/sysroot/bin/sh. And more than one tty console available then remove extra tty console exept One. 4 — Now press Control+x to start on single user mode. Go to Single user mode 5 — Now access the system with this command. mount –o remount,rw /sysroot chroot /sysroot 6 — Reset the password. passwd root 7 – Update selinux information touch /.autorelabel 8 — Exit chroot exit 9 — Reboot your system reboot That’s it. Enjoy.