[rescue] mounting / read only ?

[Torquil MacCorkle, III]

> ok after all of that fun, is there a way to do a fresh install
> and then mount / read only and still have the os still work ?
>
> i know i read about other people doing it. some more details
> would be interesting. or is this too strange?

I don't think mounting / read-only is an acceptable first line of defense,
I'd concern myself with more general OS security.  (Maybe you are, I am just
assuming)