Originally Posted by poomex
Could you explain a bit more how would you edit shadow file if root password has been changed?
The reason for my question is that after I revert 'screensaver directory symlink hack' which is currently on my kindle and then update to 4.1.0 I won't be able to access system partition (with USBnet) if update for some reason will change the root password.
You copy the "root" line from a shadow that had pw mario (even from a different kindle model) and replace that line in the /etc/shadow file. You need to be careful to not insert carriage-returns into.
I have not seen any evidence that updates change passwords.