如何通过终端检查蓝牙状态

Question

我正在寻找一种方法来检查是否通过终端在我的笔记本电脑上启用或禁用了蓝牙。是否有我可以用来查找此信息的命令

Answer 1

除了检查服务，您还可以使用命令

hcitool dev

这将返回打开的所有设备。

Answer 2

只需按键盘上的Ctrl+ Alt+T即可打开终端。当它打开时，您可以运行此命令来查看蓝牙的状态

sudo service bluetooth status

输入密码后，您应该会看到类似

蓝牙正在运行

Answer 3

更多信息与 hciconfig -a

hciconfig -a 提供了更多信息，包括蓝牙版本。

$ hciconfig -a
hci0:   Type: Primary  Bus: USB
    BD Address: 00:1A:7D:DC:70:13  ACL MTU: 310:10  SCO MTU: 64:8
    UP RUNNING PSCAN 
    RX bytes:1013 acl:0 sco:0 events:60 errors:0
    TX bytes:4890 acl:0 sco:0 commands:60 errors:0
    Features: 0xff 0xff 0x8f 0xfe 0xdb 0xff 0x5b 0x87
    Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
    Link policy: RSWITCH HOLD SNIFF PARK 
    Link mode: SLAVE ACCEPT 
    Name: 'hostname'
    Class: 0x1c0104
    Service Classes: Rendering, Capturing, Object Transfer
    Device Class: Computer, Desktop workstation
    HCI Version: 4.0 (0x6)  Revision: 0x22bb
    LMP Version: 4.0 (0x6)  Subversion: 0x22bb
    Manufacturer: Cambridge Silicon Radio (10)

Answer 4

另一种方法是使用命令hciconfig。它将清楚地列出接口，您将通过标记“RUNNING”或“DOWN”看到它们当前的状态。

Answer 5

rfkill将向您显示网络设备列表以及它们是否打开或关闭。

Answer 6

使用BlueZ：使用bluetoothctl（交互式蓝牙控制工具），它为您提供一个带有show以下命令的终端：

[bluetooth]# help
Menu main:
Available commands:
-------------------
advertise                        Advertise Options Submenu
scan                             Scan Options Submenu
gatt                             Generic Attribute Submenu
list                             List available controllers
show [ctrl]                      Controller information
select <ctrl>                    Select default controller
devices                          List available devices
paired-devices                   List paired devices
system-alias <name>              Set controller alias
reset-alias                      Reset controller alias
power <on/off>                   Set controller power
pairable <on/off>                Set controller pairable mode
discoverable <on/off>            Set controller discoverable mode
discoverable-timeout [value]     Set discoverable timeout
agent <on/off/capability>        Enable/disable agent with given capability
default-agent                    Set agent as the default one
advertise <on/off/type>          Enable/disable advertising with given type
set-alias <alias>                Set device alias
scan <on/off>                    Scan for devices
info [dev]                       Device information
pair [dev]                       Pair with device
trust [dev]                      Trust device
untrust [dev]                    Untrust device
block [dev]                      Block device
unblock [dev]                    Unblock device
remove <dev>                     Remove device
connect <dev>                    Connect device
disconnect [dev]                 Disconnect device
menu <name>                      Select submenu
version                          Display version
quit                             Quit program
exit                             Quit program
help                             Display help about this program
export                           Print environment variables

使用bluez-tools : bt-*( apropos bt-) 之类的bt-device蓝牙设备管理器。