This lab illustrates how easy it is
to compromise the root password (1) if you have physical access to the
machine, and (2) don't know the root password.
A counter-measure to this exploit, is to
set the power-on password.
In this lab we will do the following:
We will access the Grub menu during the
We will edit the Grub menu to boot into
single user mode.
We will change the root password.
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