not shown in any log: [ ok ] Starting Common Unix Printing System: cupsd. [FAIL] Starting ISC DHCP server: dhcpd[....] check syslog for diagnostics. ... failed! failed! [ ok ] Starting SMB/CIFS daemon: smbd. system: Linux 9398 4.0.0-2-686-pae #1 SMP Debian 4.0.8-1 (2015-07-11) i686 and I have to start isc-dhcp manually. a little bit annoying, isn't it?