Connect to Bluetooth device from command line on Linux

[root@localhost ~]# hcitool scan
Scanning ...
    00:1F:20:1A:93:3E    Logitech diNovo Mini
[root@localhost ~]# hidd --connect 00:1F:20:1A:93:3E

http://www.wayneandlayne.com/blog/2010/06/14/bluetooth-keyboard-pairing-without-code-entry/ https://help.ubuntu.com/community/BluetoothSetup