Changes
→Disable services
update-rc.d -f exim4 remove
update-rc.d -f inetd remove
For Debian Squeeze/Testing type
update-rc.d-insserv -f klogd remove
update-rc.d-insserv -f quotarpc remove
update-rc.d-insserv -f exim4 remove
update-rc.d-insserv -f inetd remove
=== Fix SSH host keys ===