I am confused can anyone redirect me which one to follow?
Try this updated install and let me know how it goes:
https://community.dojofordrones.com/t/failed-for-submodule-update-init-recursive/947/4
it redirected older replyes
Not sure what you are doing. Works fine as shown.
you are saying to just copy paste all the commands right
Start with a clean installation of a current Ubuntu. Then copy/paste all the statements. You should be able to do this all at once.