Update cheatsheets

linux/bluetoothctl

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# bluetoothctl
+
+> Manage Bluetooth devices.
+> More information: <https://bitbucket.org/serkanp/bluetoothctl>.
+
+- Enter the `bluetoothctl` shell:
+
+`bluetoothctl`
+
+- List all known devices:
+
+`bluetoothctl devices`
+
+- Power the Bluetooth controller on or off:
+
+`bluetoothctl power {{on|off}}`
+
+- Pair with a device:
+
+`bluetoothctl pair {{mac_address}}`
+
+- Remove a device:
+
+`bluetoothctl remove {{mac_address}}`
+
+- Connect to a paired device:
+
+`bluetoothctl connect {{mac_address}}`
+
+- Disconnect from a paired device:
+
+`bluetoothctl disconnect {{mac_address}}`
+
+- Display help:
+
+`bluetoothctl help`