ffs…am I dealing with children here?
You’ve accessed your server as a user, and then you su - to root.
You don’t need a phone or a yubi or a dreamcatcher, or a unicorn.
Please stop with your pretension.
You’re so far out of your league that it’s embarrassing to me that I’ve bothered to answer.

??

Seriously - if you’re “advising” on linux best practices, get lots of liability insurance.

…and if you don’t have your phone attached to your hand…?

As root:

  # chattr +i /home/ShortN0te/.bashrc

Anything else?

$ su -

Simple solution is to not use sudo.
Sorta like Slackware’s default.

Don’t quit your day job.

deleted by creator

Tailscale is trivial for this.
Free.