At the moment i use the keep_ssh_host_keys snippet to make sure the host key does not change accross rebuilds to avoid fingerprint trouble, and this works fine.
I have a situation where i have to preserve a certain directory /var/log and this is NOT always on a seperate partition so i wonder would it be possible to use a similar trick to preserve this directory? I am not certain as this directory can be quite large.
any ideas ?
thanks