>>> On 1/28/2009 at 9:04 PM, Richard Troth <[email protected]> wrote:
-snip-
> We had to assume that every step had to be walked
> through, and the distributors don't specifically support this idea
> (yet).
Yes and no. While it's not an officially supported configuration, the release
notes for SLES10 document how to do it on Intel/AMD. (Not sure why it isn't
part of the System z release notes.)
Read-Only Root Filesystem
It is possible to run SUSE Linux Enterprise Server 10 from Service Pack 2
on on a read-only
root filesystem. Due to the huge number of possible configurations,
this is currently not a supported scenario.
The /tmp and /var/tmp
directories needs to be on a seperate partition and cannot be
mounted read-only.
After the installation has finished and all services are configured,
login as root and do the following modifications:
Modify /etc/fstab and add "ro" to the mount
options of the root filesystem entry.
rm /etc/mtab
ln -s /proc/mounts /etc/mtab
mkdir /var/lib/hwclock
mv /etc/adjtime /var/lib/hwclock
ln -s /var/lib/hwclock/adjtime /etc/adjtime
# the following two steps are only necessary if you use dhcp:
mv /etc/resolv.conf /var/lib/misc/
ln -s /var/lib/misc/resolv.conf /etc/resolv.conf
# Now mount root filesystem read-only and reboot
mount -o remount,ro /
reboot
Mark Post
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