====== Bluetooth ======
Since Debian 12 two audio servers are available (either PulseAudio or PipeWire). PulseAudio is the default audio server in Debian. 
===== Install =====
For a GTK environment (XFCE) the following packages need to be installed: 
  sudo apt install bluetooth rfkill bluez bluez-tools pulseaudio-module-bluetooth blueman

Blueman is the XFCE bluetooth front-end app.
===== Check running services =====
  # systemctl status bluetooth
  $ systemctl --user status pulseaudio.service
  
===== Checking For Bluetooth =====
If you run rfkill as root, you should get something like follows:

  ~$ sudo rfkill 
  ID TYPE      DEVICE      SOFT      HARD
   0 wlan      phy0   unblocked unblocked
   1 bluetooth hci0   unblocked unblocked

If you see anything blocked, you will have to unblock it. Hard blocked is usually a switch (or a wireless key on the keyboard), soft blocked is usually something with the OS. Run the following to unblock a device:

  rfkill unblock [device]

Check if bluetooth radio is present in PulseAudio cards:
  pactl list cards short
  
===== PulseAudio automatic connect =====
Switch automatically to bluetooth output on connecting to bluetooth device.
Enter:

  pactl load-module module-switch-on-connect

To persist autoconnect on reboots, add the following to /etc/pulse/default.pa
  # nano /etc/pulse/default.pa
  
  Add the following to the bottom:
  
  .ifexists module-switch-on-connect.so
    load-module module-switch-on-connect
  .endif