Advice to Consider
March 4 2023
Be aware that while the internet is a source of much information, some of it may no longer be current. Things change, adapt accordingly.
If you need a working computer for your everyday use, be careful making changes. Major downtime is always possible. Make changes slowly, one at a time, testing each change before moving to another. Keep notes in order to undo multiple steps.
Following a random blog post on the internet to set up your system is a great starting point. One should still diligently investigate how the changes the post recommends will affect your system before you apply them. There is no substititute for your own research and understanding.
Virtual machines are a great learning platform. Major changes to a system can be tried and tested before using on a hardware machine.