E: Sub-process /usr/bin/dpkg returned an error code (1)
root@ubuntu:/# dpkg --configure dbus
Setting up dbus (1.0.2-1ubuntu3) ...
usage: update-rc.d [-n] [-f] <basename> remove
       update-rc.d [-n] <basename> defaults [NN | sNN kNN]
       update-rc.d [-n] <basename> start|stop NN runlvl [runlvl] [...] .
                -n: not really
                -f: force
dpkg: error processing dbus (--configure):
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing: