chmod +w work/cd-root/casper/filesystem.manifest 
sudo chroot edit dpkg-query -W --showformat='${Package} ${Version}\n' > work/cd-root/casper/filesystem.manifest 
sudo cp work/cd-root/casper/filesystem.manifest work/cd-root/casper/filesystem.manifest-desktop 
sudo sed -i '/ubiquity/d' work/cd-root/casper/filesystem.manifest-desktop 
sudo sed -i '/casper/d' work/cd-root/casper/filesystem.manifest-desktop 

printf $(sudo du -sx --block-size=1 edit | cut -f1) > work/cd-root/casper/filesystem.size 

cd work/cd-root 
sudo rm md5sum.txt 
find -type f -print0 | sudo xargs -0 md5sum | grep -v isolinux/boot.cat | sudo tee md5sum.txt 

