Daniel Dickinson <[EMAIL PROTECTED]> writes:
> A little while back I tried to setup a system that used a read-only
> root filesystem during regular operation and ran into some problems
> during boot. The first is that /etc needs to be read-write but init
> scripts break badly if /etc is not on the root filesystem (probably could
> be fixed in initramfs-tools).
Having /etc not on / is a problem becuase /etc/fstab is used to mount
things. You need a skeleton /etc on / with a minimal /etc/fstab and
any other files that are used before /etc is mounted. But I wouldn't
go there. That is the wrong approach.
Instead move the things in etc that need writing to other places:
1) link /etc/mtab to /proc/mounts and create a dummy /proc/mounts on /
for when /proc isn't mounted (works with quota in current kernels).
2) Link /etc/resolv.conf to /var or install resolvconf package.
3) Link /etc/network/run to /dev/shm/
and so on.
A read-only / needs some configuring but it must be possible. If
anything blindly writes to /etc without provision of using some other
place or following a link then please file a bug.
MfG
Goswin
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