> You can also mount a read-only ramdisk in between the root filesystem > (if it needs to be mounted read-write) and the usb. Assuming the > directory is /mnt/log. Something similar to those lines in /etc/fstab > may (untested) work. > > tmpfs /mnt/log tmpfs defaults,ro 0 0 > /dev/usb-block /mnt/log ext4 defaults 0 0
In the same vein, there's also
mount -o bind,ro /emptydir /var/log
=== Stefan
