How to change default password in ubuntu preinstall image for raspi4?

I want to change default username in raspi4 ubuntu installation. In this image default username and password are ubuntu/ubuntu However I want to change these default settings to something like newname/0123456(numeric only password). How do I change user-data cloudinit file? Note that I know numeric password is so weak, I just interested in how to…

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error found when loading etc/profile: /etc/profile:line 31:tracer: command not found [closed]

# Copyright © 2006 Shaun McCance <[email protected]> # Copyright © 2013 Peter De Wachter <[email protected]> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or #…

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Hashcat doesn’t detect any device

I tried to install Nvidia drivers in Kali Linux through this tutorial: https://medium.com/@jamesmacwhite/installing-the-nvidia-drivers-in-kali-linux-cd3560258e24 and now everything is fine and GPU is in use, but Hashcat doesn’t detect any device. I Googled and found some solutions like installing nvidia-cuda-toolkit or clinfo, but I already installed these. Is there any solution to this problem?

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