Create a printf logic in arduino uno for debugging - avr-gcc

If you are using arduino uno board with avr-gcc compiler. You can have a printf printing system for better debugging.

Clear your memory card safely

Deleting a file in Win/Linux is almost like locking in a safe. It can be  retrieved from the drive easily with a recovery program as long as it is not overwritten by some other data.

Install simulavr from the source

An apt-get install simulavr will install a previous version of simulavr in Debian Wheezy which has no support for 'atmega328'. So it is better to install it from the latest source.