hyper v - util-linux 2.25.2 lost credentials -

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an employee, left on bad terms, setup linux server need access can't login.

it setup on hyper-v vm.

when booted loads essential drivers begins bootup visible if press esc key.

i honest , know nothing linux, once in i'm going learn. have tried googling , seems grub boot menu either pressing esc or holding left shift not working in case.

would appreciate , provide additional info if needed.


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