[root@MyBookLive ~]# vi /etc/nas/service_startup/orion
Vorher: enabled
Nachher: disabled

mediacrawler:
[root@MyBookLive ~]# update-rc.d -f orion remove
 Removing any system startup links for /etc/init.d/orion ...
   /etc/rc0.d/K05orion
   /etc/rc2.d/S86orion
   /etc/rc3.d/K05orion
   /etc/rc4.d/K05orion
   /etc/rc6.d/K05orion

twonky:
[root@MyBookLive ~]# update-rc.d -f twonky remove
 Removing any system startup links for /etc/init.d/twonky ...
   /etc/rc0.d/K10twonky
   /etc/rc2.d/S85twonky
   /etc/rc3.d/K10twonky
   /etc/rc4.d/K10twonky
   /etc/rc6.d/K10twonky

itunes:
[root@MyBookLive ~]# update-rc.d -f forked-daapd remove
 Removing any system startup links for /etc/init.d/forked-daapd ...
   /etc/rc0.d/K10forked-daapd
   /etc/rc2.d/S84forked-daapd
   /etc/rc3.d/K10forked-daapd
   /etc/rc4.d/K10forked-daapd
   /etc/rc6.d/K10forked-daapd

# update-rc.d -f orion remove
Removing any system startup links for /etc/init.d/orion ...
   /etc/rc0.d/K05orion
   /etc/rc2.d/S86orion
   /etc/rc3.d/K05orion
   /etc/rc4.d/K05orion
   /etc/rc6.d/K05orion

# /etc/init.d/orion stop

# update-rc.d orion defaults; /etc/init.d/orion start