Hello, utu.
I'm on Knoppix 7.7 trying to create a LiveUSB on a 32Gb pendrive for Knoppix 8.1 using flash-knoppix.
My .iso file is here
knoppix@Microknoppix:~/Downloads/Torrents/KNOPPIX_V8.1-2017-09-05-EN$ ls
knoppix-cheatcodes.txt
KNOPPIX_V8.1-2017-09-05-EN.iso
My pendrive is here:
knoppix@Microknoppix:/media/sdc1$ pwd
/media/sdc1
When I type
/usr/bin/flash-knoppix -m p -p 20000 /home/knoppix/Downloads/Torrents/KNOPPIX_V8.1-2017-09-05-EN/KNOPPIX_V8.1-2017-09-05-EN.iso /media/sdc1
the OS says
mount: /media/sdc1: failed to setup loop device: Invalid argument
and when typing sdc instead of sdc1 it answers giving the usage of flash-knoppix.

Any suggestion, please?