Start familiarizing with:
https://wiki.garudalinux.org/en/home
and (especially) with:
https://forum.garudalinux.org/t/faq-and-tutorials-table-of-contents/2962
Then, step-by-step, depending on the topics you want to better understand (or learn from scratch):
https://wiki.archlinux.org/
Warning: the latter is addictive 
5 Likes