50D shutter count

instructions:

- install linux (mint, ubuntu or whatever) or use Live-CD (you could also use VirtualBox, like i did)

- install gphoto2

- put the cf-card outer the camera (to make shure there is no other access via usb)

- turn camera ON

- if using VirtualBox: now link the camera to virtualbox by selecting it from VBox menu -> Devices->USB Devices

- start terminal and enter the command below, then press enter :)

Done