Root Password Rest In CentOS/Rhel 7
Q : How to reset root password in CentoOS 7
Q : Step by Step root password reset in linux
Q : Forgotten root password recovery on CentOS 7
Step 1:
Reboot your server and select existing kernel
Select Kernel at boot menu, and press “e” to edit kernel (Core).
Step 2:
Find “ro” and replace with "rw init=/sysroot/bin/sh”
press “Control + X” or “ Ctrl + X ”on your keyboard to start into single user mode
Step 3:
run the command into single user mode
chroot /sysroot
Step 4 :
Change the root password using "passwd" Command,
passwd
Step 5:
Update SELinux parameters
touch /.autorelabel
Step 6 :
Reboot Server
reboot
