After upgraded linux kernel to 3.11 on my xubuntu 12.04 LTS laptop, I *feel* my laptop run a bit faster, i want to speed up my laptop even further. I have tweaked my laptop heavily, but have not disabled bluetooth yet (I do not use bluetooth), so now it’s the time to do.
To stop bluetooth service
$ su - $ service bluetooth stop
To disable bluetooth service on startup
# nano /etc/rc.local
add this line before exit 0
rfkill block bluetooth
To disable the bluetooth driver on startup
# nano /etc/modprobe.d/blacklist.conf
and add this line to blacklist.conf
blacklist btusb
To cut power source for bluetooth to run
# nano /etc/bluetooth/main.conf
Change
InitiallyPowered = true
To
InitiallyPowered = false
To remove remove bluetooth manager and all its dependencie
# apt-get remove bluez* bluetooth # apt-get autoremove