the simplest way to rip a dvd

sudo apt-get install mencoder
export MENCODER_START_TIME=0:0:0
export MENCODER_BITRATE=2160000
export MENCODER_OUT_FILE=out_file.avi
export MENCODER_THREADS=1

export MENCODER_OPTS=vbitrate=$MENCODER_BITRATE:mbd=2:keyint=132:v4mv:vqmin=3:lumi_mask=0.07:dark_mask=0.2:scplx_mask=0.1:tcplx_mask=0.1:naq:trell=yes:threads=$MENCODER_THREADS:autoaspect

export DVD_LANGUAGE=it
# usually the film is in the first chapter, try mplayer dvd://1 to test if the 1 is wath you want
export DVD_CHAPTER=1

mencoder \
-ss $MENCODER_START_TIME \
-alang $DVD_LANGUAGE \
-oac copy \
-ovc lavc \
-lavcopts $MENCODER_OPTS:vpass=0 \
-o /dev/null\
dvd://$DVD_CHAPTER;

mencoder \
-ss $MENCODER_START_TIME \
-alang $DVD_LANGUAGE \
-noautosub -nosub -oac copy \
-ovc lavc \
-lavcopts $MENCODER_OPTS:vpass=1 \
-o $MENCODER_OUT_FILE \
dvd://$DVD_CHAPTER;