objectives: 1_recovery

The following objective is to Recover / Reset the root password on a RHEL 7 system.

###Rescue Process (lost root password)

start or reboot the system
at the grub menu, press the [ESC] key to interrupt the boot proc
press 'e' to edit the boot record
scroll down to the 'linux16' entry and press the [end] key
add rd.break console=tty1
press CTRL-X to boot
remount in r/w mode: mount -o remount,rw /sysroot
switch to chroot jail: chroot /sysroot
reset pw: passwd root
create SELinux blank file under root: touch /.autorelabel
type exit twice to reboot system