Following a tip from a fellow blogger, I tried customizing the backup config in Maemo, with mixed results: on one hand I am extremely pleased that the system is smart enough to realize that you probably wish to restore one of the backups you have and prompts you to reinstall all those apps that you had after reflashing, on the other hand I am a bit puzzled that not all files have been properly saved and restored.
More specifically, this is supposed to backup all of /etc/openvpn:
<backup-configuration> <locations> <location type="dir" category="settings">/etc/openvpn</location> </locations> </backup-configuration>
instead of leaving out the key file, forcing me to regenerate it. No, the file was not even saved while the following files were saved but not restored:
/etc/osso-backup/my-custom-backup.conf /etc/hostname, hosts /etc/systemui/systemui.xml
Something fishy is going on… will investigate.
EDIT: backup is missing those files which are not readable by user.