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sudo apt-get install squashfs-tools mkisofs qemu
 
-- wget ubuntu-8.04-desktop-i386.iso
sudo mount download/iso/ubuntu-8.04-desktop-i386.iso /mnt/ -o loop
 
mkdir ~/live
cd ~/live
 
mkdir extract-cd
#rsync --exclude=/casper/filesystem.squashfs -a mnt/ extract-cd
 
mkdir squashfs
sudo mount -t squashfs -o loop /mnt/casper/filesystem.squashfs squashfs
 
mkdir edit
sudo cp -a squashfs/* edit/
 
sudo cp /etc/resolv.conf edit/etc/
 
sudo cp /etc/hosts edit/etc/
 
sudo mount --bind /dev/ edit/dev
 
sudo mount --bind /dev/ edit/dev
 
sudo chroot edit
mount -t proc none /proc
mount -t