1 – In the boot grub menu select option to edit.
2 – Select Option to edit (e).
3 – Go to the line of Linux 16 and change ro with rw init=/sysroot/bin/sh.
4 – Now press Control+x to start on single user mode.
5 – Now access the system with this command.
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.
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