[CentOS] read only root file system

[Ralph Angenendt]

Brett Serkez wrote:
> On Fri, May 2, 2008 at 12:16 AM, Jason Pyeron <jpyeron at pdinc.us> wrote:
> > I am looking at having a read only box, it will not use a swap partition.
> >  Any recommendations?
> 
> You'll need to break out your hard drive into multiple partitions, as
> there are certain portions of the file system that need to be writable
> such as /var and /home.  I setup systems in this manner to make them
> more difficult to subvert, I'd suggestion searching for topics such as
> "linux file system hardening".

What do you do with /etc/mtab - where the system clearly wants to write
into when you mount/unmount stuff?

Cheers,

Ralph
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