After you upgraded your iOS device to 5.0.1 you probably get an error like “Unhandled Lockdown Error (-15)”. The problem is the shipped libimobiledevice which don’t like iOS 5 devices. To fix it do the following:
- In a terminal type: “sudo apt-get install ifuse libimobiledevice-utils” (without the ”
- Unlock iDevice from device’s lock screen (only needed the first time), plug it in
- In the terminal type: “idevicepair unpair && idevicepair pair”
- Unplug the iDevice
- Make sure the lock screen is still unlocked
- Plug it back in
After that it works fine, even with a locked iDevice (iPhone in my case). Most information for this article came from an article over at askubuntu.com.