How to break password in linux

Breaking password in centos 7

Root the system and stay on grub screen

grub2

Press e (to edit)

Goto line which starts with
Linux16

Edit Linux 16
Add – rd.break in last

rd.break

If you found something written like console=ttyS0,115….
Remove it

Press ctrl + x

Now Follow these commands

mount -o remount ,rw /sysroot/
chroot /sysroot/
passwd username
touch /.autorelabel
exit
exit

Watch full setup

Breaking Password in centos 6.8

Root the system and stay on grub screen

Press e (to edit)

Goto line which starts with
Linux16

Edit Linux 16
Add – rd.break in last

rd.break

If you found something written like console=ttyS0,115….
Remove it

Press ctrl + x

Now Follow these commands

mount -o remount ,rw /
chroot /
touch /.autorelabel
exit
exit    

Breaking password in Ubuntu

coming soon