#UPDATE2:
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Changelog 0.6:
- view log option
- library dependencies check
- 32Bit version added
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As I didn't found a good Linux USB logger I coded a very very simple one myself. It logs the USB traffic of every port. To run the application you need atleast kernel version 2.6.11. To start the program go to the terminal, change to the folder the "usblogger" is in and enter: "sudo ./usblogger". It won't run without root privileges. Don't try to run this under Windows or Mac, its Linux-only!
The idea behind was an easy way to log any USB actions of for example the gameos, or the PSP under Linux. To sniff gameos USB you will need a USB cable with 2 male sides. Plug it in PS3 and PC and start the logger on PC.

Here a few ideas what to test:
- PS3 USB at PS3 boot sequence
- PS3 USB to PC fake external HDD
- PSP USB at PSN Store downloads
- etc.