Re: How can I make root filesystem read-only?
On Thu, 2002-11-21 at 10:36, Hiroki Horiuchi wrote:
> My /etc/fstab is like below.
> /dev/sda1 / ext2 errors=remount-ro 0 1
> /dev/sdb1 none swap sw 0 0
> /dev/sdc1 /tmp ext2 defaults 0 2
> /dev/sdd1 /var ext2 defaults 0 3
> /dev/sde1 /home ext2 defaults 0 4
> I am trying to make the root filesystem including /usr subdirectory
> read-only. But, if I set the mount option of / to ro, system cannot boot.
> Making only /usr read-only is not enought for me.
> Cannot root filesystem be read-only?
In effect, no.
For example, /etc must be in the root filesystem and mount writes to
Perhaps you could arrange to have a RAM disk for root? (See initrd.)
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight, UK
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