Ok so it seems mvuser throws an error while trying to set up a new user. My mistake I removed a space in code, fixed now. Some other rebranded of installer has been made.
Do need to look at Grub set up, maybe work outside of chroot to reduce errors.
Not sure about a nvidia error I have been told about, time will tell if it does need a fix.
Tested install this morning and as you can see I have managed to install GreenBANG on a virtual machine before thinking about adding picom.
Thanks again to Jes, for giving me reports on progress of the transition. Feedback is always useful as I am always vetting my own work.
Right coffee time 😉
Stay safe…