sudo apt-get install gcc-avr # A port of GCC to AVR target processor
sudo apt-get install gdb-avr # AVR GNU debugger
sudo apt-get install binutils-avr #low-level utilities for building & manipulating object files
sudo apt-get install avr-libc # AVR Library files
sudo apt-get install avrdude # command-line program for programming AVR chips.
sudo apt-get install gcc # c compiler download
sudo apt-get install build-essential # Packages which are considered essential for building Debian packages