sudo mount /mnt/floppy
cp -f install/installinit/ks.cfg /mnt/floppy
perl -pi -e 's/prompt 1//; s/\s*kickstart=\S+//g; s/append/append kickstart=auto_inst.cfg.pl/' /mnt/floppy/syslinux.cfg
sudo umount /mnt/floppy