[luau] Partitions

[Matthew John Darnell]

> > >    Is that a relic to when hard drives were 6MB
> and you had to
> > >    worry about logs filling up your user space?
> >
> > Mostly a relic, yes. It was done mostly to help
> prevent / from
> > filling up.
>
> Seems to me having one pool of free space rather than
> n>1 pools wouuld be better for this in almost all
> instances. Is there a reason for preferring / to have
> space even when /tmp or /var is full?
>
> >
> > >    Is something else I should be thinking about?
>
> Hacking linux exposed recommends the multiple
> partition thing so that partitions that are fairly
> static can be mounted as read only during ordinary
> use. So they have to be on separate partitions from
> things that change often, and especially from /tmp
> which must be writable by everyone. HLE doesn't like
> the idea of having something world writable on the
> same partition as anything valuable/hackable, I forget
> why. Somehow having them on the same partition makes
> things a bit more vulnerable (links maybe?).
>
> Of course if an intruder gets root he can remount the
> sensitive partitions as RW, but supposedly this
> approach cuts off some paths to cracking root in the
> first place.

Makes sense that what it takes to boot the system into a state that allows
you to fix a problem should be read only execpt for root.  Like you siad, if
they get the root password the battle is lost and you better have good
backups.

Is HLE a good book?  I don't think I saw it at Borders.

-Matt