- Install toolchain (for Arch Linux, use apt-get for Ubuntu/Debian)
        -> sudo pacman -S avr-gcc avr-binutils avr-libc avrdude

 - Make an entry for atmega324pb in /etc/avrdude.conf. Just paste the following after the entry for ATmega324PA:

#------------------------------------------------------------
# ATmega324PB
#------------------------------------------------------------

# similar to ATmega324PA

part parent "m324p"
    id               = "m324pb";
    desc             = "ATmega324PB";
    signature        = 0x1e 0x95 0x17;

    ocdrev              = 3;
  ;

#------------------------------------------------------------
# END OF ENTRY
#-----------------------------------------------------------

 - Se følgende link for mer info:

    http://omegav.no/wiki/index.php/AVR_on_linux