$ rfkill list all
1: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
它就这样消失了。我正在通过蓝牙扬声器听音乐,突然断开连接。
$ sudo bluetoothctl
Agent registered
[bluetooth]# show
No default controller available
$ blueman-adapters
blueman-adapters version 2.1.2 starting
blueman-adapters 12.24.46 ERROR Adapter:53 __init__ : No adapter(s) found