lsusb

Wat het doet

Zo schrijf je het

lsusb [OPTION]...

Meest gebruikt

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$ als gewone gebruiker# als root (of met sudo)

1. 1All USB devices

   $lsusb
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 004: ID 0781:5583 SanDisk Corp. Ultra Fit

   Root hubs are the USB controllers themselves.

2. 2Tree with drivers

   $lsusb -t

   Driver=usb-storage shows a disk; Driver=usbhid a keyboard or mouse.

3. 3Details of one device

   #lsusb -v -s 001:004 | less

   Speed, power, interfaces.

4. 4Filter by vendor

   $lsusb -d 0781:

   All SanDisk devices.

5. 5Find new devices while plugging in

   $watch -n1 lsusb

   A new line appears.

6. 6Connect with the block device

   $dmesg -T | tail; lsblk

   A USB disk becomes /dev/sdX.

7. 7Check for unknown devices (security)

   $lsusb | grep -viE 'root hub|keyboard|mouse'

   Unknown USB devices on a server can be keyloggers or rogue network cards.

8. 8Is usb-storage blocked?

   $lsusb -t | grep -i storage

   With the blacklist, storage devices have no driver.

9. 9USB speed

   $lsusb -t | grep -o '[0-9]*M$' | sort | uniq -c

   480M = USB 2, 5000M = USB 3.

10. 10Inventory

    $lsusb > /tmp/usb-$(hostname -s).txt

    Hardware list per host.

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Bestanden

/usr/share/hwdata/usb.ids

Names of vendors and products.

Exitcodes