< Tutorial for DVD-R in linux machine >

!----> Use adequate media such as DVD-+RW [4 speed] <----! 

1. create image file in /tmp or any spacious directory you want (when finished writing to dvd, delete image file in /tmp)

  mkisofs -R -J -graft-points -o dvd.raw path_to_image_file(/tmp/...)

2. write into the media

  dvdrecord -dao dev=2,0,0 -dummy -v -data dvd.raw    
  ###dummy mode to check disk
  dvdrecord -dao dev=2,0,0 -multi -data dvd.raw
  dvdrecord blank=all
  isoinfo -f -i test.iso     
  ###to find out what's in iso image