I have solved an incredible number of problems just by looking at strace output very carefully. Strace combined with Wireshark or Tcpdump are incredible as a to

I have solved an incredible number of problems just by looking at strace output very carefully. Strace combined with Wireshark or Tcpdump are incredible as a toolset for capturing what a program is doing and for capturing what the effect is either on the USB or the NIC.