root@ghost:/home/boo# sudo apt-get purge blueman bluez-utils bluez bluetooth
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package 'bluez-utils' is not installed, so not removed
Package 'blueman' is not installed, so not removed
Package 'bluetooth' is not installed, so not removed
The following packages were automatically installed and are no longer required:
apg cups-pk-helper gkbd-capplet libgeonames0 libgnome-bluetooth13
libgnomekbd8 libtimezonemap-data libtimezonemap1 signon-keyring-extension
ubuntu-system-service unity-control-center-faces
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
bluez* gnome-bluetooth* gnome-user-share* indicator-bluetooth*
pulseaudio-module-bluetooth* ubuntu-desktop* unity-control-center*
unity-control-center-signon*
0 upgraded, 0 newly installed, 8 to remove and 244 not upgraded.
After this operation, 11.2 MB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 344098 files and directories currently installed.)
Removing pulseaudio-module-bluetooth (1:8.0-0ubuntu3.4) ...
Removing unity-control-center-signon (0.1.8+16.04.20160201-0ubuntu1) ...
Removing gnome-user-share (3.14.2-2ubuntu4) ...
Purging configuration files for gnome-user-share (3.14.2-2ubuntu4) ...
Removing ubuntu-desktop (1.361) ...
Removing indicator-bluetooth (0.0.6+16.04.20160526-0ubuntu1) ...
Purging configuration files for indicator-bluetooth (0.0.6+16.04.20160526-0ubuntu1) ...
Removing gnome-bluetooth (3.18.2-1ubuntu2) ...
Purging configuration files for gnome-bluetooth (3.18.2-1ubuntu2) ...
Removing unity-control-center (15.04.0+16.04.20160705-0ubuntu1) ...
Purging configuration files for unity-control-center (15.04.0+16.04.20160705-0ubuntu1) ...
Removing bluez (5.37-0ubuntu5.1) ...
Purging configuration files for bluez (5.37-0ubuntu5.1) ...
dpkg: warning: while removing bluez, directory '/var/lib/bluetooth' not empty so not removed
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
Processing triggers for desktop-file-utils (0.22-1ubuntu5) ...
Processing triggers for bamfdaemon (0.5.3~bzr0+16.04.20160701-0ubuntu1) ...
Rebuilding /usr/share/applications/bamf-2.index...
Processing triggers for mime-support (3.59ubuntu1) ...
Processing triggers for libglib2.0-0:amd64 (2.48.1-1~ubuntu16.04.1) ...
Processing triggers for gconf2 (3.2.6-3ubuntu6) ...
Processing triggers for man-db (2.7.5-1) ...
Processing triggers for dbus (1.10.6-1ubuntu3.3) ...
root@ghost:/home/boo# sudo apt-get install blueman bluez-utils bluez bluetooth
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package bluez-utils is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
However the following packages replace it:
bluez:i386 bluez
E: Package 'bluez-utils' has no installation candidate
root@ghost:/home/boo# udo /etc/init.d/bluetooth start
The program 'udo' is currently not installed. You can install it by typing:
apt install udo
root@ghost:/home/boo# apt-get install udo
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
apg cups-pk-helper gkbd-capplet libgeonames0 libgnome-bluetooth13
libgnomekbd8 libtimezonemap-data libtimezonemap1 signon-keyring-extension
ubuntu-system-service unity-control-center-faces
Use 'sudo apt autoremove' to remove them.
The following NEW packages will be installed:
udo
0 upgraded, 1 newly installed, 0 to remove and 244 not upgraded.
Need to get 208 kB of archives.
After this operation, 569 kB of additional disk space will be used.
Get:1 http://in.archive.ubuntu.com/ubuntu xenial/universe amd64 udo amd64 6.4.1-1 [208 kB]
Fetched 208 kB in 3s (64.9 kB/s)
Selecting previously unselected package udo.
(Reading database ... 343606 files and directories currently installed.)
Preparing to unpack .../archives/udo_6.4.1-1_amd64.deb ...
Unpacking udo (6.4.1-1) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up udo (6.4.1-1) ...
root@ghost:/home/boo# udo /etc/init.d/bluetooth start
Error: 0: couldn't open source file <start.ui>
start.ui: No such file or directory
root@ghost:/home/boo#
root@ghost:/home/boo# rfkill list all
0: sony-wifi: Wireless LAN
Soft blocked: no
Hard blocked: no
1: sony-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
root@ghost:/home/boo# /etc/init.d/bluetooth start
bash: /etc/init.d/bluetooth: No such file or directory