Readonly root для бездисковых станций

default linux
prompt 0

label linux
kernel kernel-genkernel-x86-2.6.24-gentoo-r4
append ip=dhcp root=/dev/nfs nfsroot=192.168.0.254:/diskless/gentoo32 ramdisk_blocksize=4096 initrd=initramfs-genkernel-x86-2.6.24-gentoo-r4 init=/linuxrc

/diskless/gentoo32 192.168.0.0/24(ro,sync,no_root_squash)

192.168.0.254:/diskless/gentoo32 / nfs rw,noauto 0 0
192.168.0.254:/diskless/configs/192.168.0.27 /configs nfs rw 0 0

tmpfs /rw tmpfs rw,size=32M 0 0
proc /proc proc defaults 0 0
shm /dev/shm tmpfs nodev,nosuid,noexec 0 0
#tmpfs /root tmpfs rw,size=50M 0 0
tmpfs /var/lib/init.d tmpfs rw,size=32M 0 0
tmpfs /var/run tmpfs rw,size=4M 0 0
tmpfs /var/log tmpfs rw,size=32M 0 0
tmpfs /var/lock tmpfs rw,size=2M 0 0
#tmpfs /tmp tmpfs rw,size=2M 0 0
tmpfs /var/lib/xkb tmpfs rw,size=2M 0 0

/dev/cdrom /mnt/cdrom audo noauto,ro 0 0
#/dev/fd0 /mnt/floppy auto noauto 0 0

#!/bin/bash
### create ramdisks ###

echo "creating ramdisk for /tmp"
mount -n -t tmpfs tmpfs /tmp

### create ramdisk for /etc ###
ntpdate pool.ntp.org

echo "saving /etc from NFS-Mount"
cd /etc && tar cjf /tmp/etc.tar.bz2 *

echo "creating ramdisk for /etc"
mount -n -t tmpfs tmpfs /etc

echo "populating /etc"

tar xjf /tmp/etc.tar.bz2 -C /etc
rm /tmp/etc.tar.bz2
### / ###

#exec /sbin/init /dev/console 2>&1