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Date Posted: Saturday 06th of February 2010 | Category: Ubuntu
How to check what USB devices are connected in Ubuntu
To display a list of currently connected USB devices issue the following command in the terminal:

lsusb

I needed to check if my mobile device Sony Erisson phone was detected by Ubuntu when I plugged it in.

As you can see from the list below, my phone was detected.
When I entered lsusb command in the terminal I got the following output:

Bus 001 Device 005: ID 0fce:e039 Sony Ericsson Mobile Communications AB
Bus 001 Device 003: ID 04b4:6560 Cypress Semiconductor Corp. CY7C65640 USB-2.0 "TetraHub"
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 005: ID 06f2:0011 Emine Technology Co. KVM Switch Keyboard
Bus 002 Device 004: ID 045e:00db Microsoft Corp. Natural Ergonomic Keyboard 4000 V1.0
Bus 002 Device 003: ID 045e:0040 Microsoft Corp. Wheel Mouse Optical
Bus 002 Device 002: ID 0451:2046 Texas Instruments, Inc. TUSB2046 Hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub