The Live CD user to change?

Can't find information about how to change default user in kde neon in the live CD
which files can be written to user defaults.
tried to create a user so sudo useradd pupkin at system boot black screen
and showing the shell sudo useradd -m-s /bin/bash pupkin
not helping is collected via cubic ubuntu imager
looked way
there is also not really what is not.
April 7th 20 at 15:38
0 answer

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