sudo systemctl disable bluetooth.service
[sudo] Passwort für wolfgang: 
Synchronizing state of bluetooth.service with SysV init with /lib/systemd/systemd-sysv-install...
Executing /lib/systemd/systemd-sysv-install disable bluetooth
initctl: Verbindung zu Upstart nicht möglich: Failed to connect to socket /com/ubuntu/upstart: Verbindungsaufbau abgelehnt
The script you are attempting to invoke has been converted to an Upstart
job, but lsb-header is not supported for Upstart jobs.
insserv: warning: script 'screen-cleanup' missing LSB tags and overrides
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `screen-cleanup'
insserv: Default-Stop  undefined, assuming empty stop  runlevel(s) for script `screen-cleanup'
initctl: Verbindung zu Upstart nicht möglich: Failed to connect to socket /com/ubuntu/upstart: Verbindungsaufbau abgelehnt
The script you are attempting to invoke has been converted to an Upstart
job, but lsb-header is not supported for Upstart jobs.
insserv: warning: script 'binfmt-support' missing LSB tags and overrides
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `binfmt-support'
insserv: Default-Stop  undefined, assuming empty stop  runlevel(s) for script `binfmt-support'
insserv: warning: current start runlevel(s) (empty) of script `bluetooth' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `bluetooth' overrides LSB defaults (0 1 6).
initctl: Verbindung zu Upstart nicht möglich: Failed to connect to socket /com/ubuntu/upstart: Verbindungsaufbau abgelehnt
The script you are attempting to invoke has been converted to an Upstart
job, but lsb-header is not supported for Upstart jobs.
insserv: warning: script 'screen-cleanup' missing LSB tags and overrides
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `screen-cleanup'
insserv: Default-Stop  undefined, assuming empty stop  runlevel(s) for script `screen-cleanup'
initctl: Verbindung zu Upstart nicht möglich: Failed to connect to socket /com/ubuntu/upstart: Verbindungsaufbau abgelehnt
The script you are attempting to invoke has been converted to an Upstart
job, but lsb-header is not supported for Upstart jobs.
insserv: warning: script 'binfmt-support' missing LSB tags and overrides
insserv: Default-Start undefined, assuming empty start runlevel(s) for script `binfmt-support'
insserv: Default-Stop  undefined, assuming empty stop  runlevel(s) for script `binfmt-support'
Removed symlink /etc/systemd/system/dbus-org.bluez.service.
wolfgang@wolfgang-desktop:~$