You need to do 'mntroot rw' to remount root as writable. New kindles disable the root account. You need to remove 'x' from accounts in /etc/passwd to enable them (i.e. 'root::'). Be sure to set a password for newly enabled accounts. Then do 'mntroot ro' to remount root as read-only.
(There may be additional details, but that is how I remember it).
Last edited by geekmaster; 07-15-2016 at 12:39 AM.
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