Simuler le débranchement / rebranchement d’un periphérique USB.
$ dmesg | grep usb[…]
[84602.462281] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 (1)
[84602.462291] usb 1-1.3: Product: USB Flash Drive
[84602.462300] usb 1-1.3: Manufacturer: …
[…]| 1 | So the interesting USB device id is 1-1.3. | 
To logically unplug / disconnect it :
$ sudo sh -c 'echo 1-1.3 > /sys/bus/usb/drivers/usb/unbind'To get the peripheral back / connect or plug it :
$ sudo sh -c 'echo 1-1.3 > /sys/bus/usb/drivers/usb/bind'Source : debian-user-french@lists.debian.org 2019-11-16 à 13:32
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