=?ISO-8859-1?Q?Magnus=20Ohrstrom=20 writes:
> which parts of the file structure must be rw? Is /dev and /var enough?
Yes, they'll do. There are a couple of files in /etc that regular distributions
like to write, but you can work around these easily enough. The main one is
/etc/mtab, which you can make a symlink to /proc/mounts and add -n to the mount
commands in you startup scripts. Older dhcpd's also store their leases file
in /etc, but newer ones put it under /var; and this is only a problem if you
need dhcp anyway.
You should be able to combine a readonly root filesystem with Paul Moody's
suggestion about handling the powerfail interrupt easily enough.
Regards,
Graham
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