running banana pi M2 -with a Ubuntu - OS - 10.04 LTS : unfortunatly forgotten the password for root

hello dear all,

how to get back the user-pass-combination of the root

i am running banana pi M2  -with a Ubuntu - OS

i just want to log in as root_

but what do i do  if i have forgotten which user passwd _ combination i entered several weeks ago!?

how to do the needed correction to a image of ubuntut 10.04 LTS `?

love to hear from you

Little point in asking in an openSUSE forum, you need to be asking this over in the Ub* forums.