wget -e robots=off -m -np http://kojipkgs.fedoraproject.org/mash/branched/x86_64/os/isolinux/ wget -e robots=off -m -np http://kojipkgs.fedoraproject.org/mash/branched/x86_64/os/images/ wget -e robots=off -m -np http://kojipkgs.fedoraproject.org/mash/branched/x86_64/os/LiveOS/ cd /home/sergio/boot_iso/kojipkgs.fedoraproject.org/mash/branched/x86_64/os genisoimage -o ~/boot.iso -b isolinux/isolinux.bin -c isolinux/boot.cat -boot-load-size 4 -boot-info-table -no-emul-boot -R -J -V "Fedora 17 x86_64" -T -graft-points isolinux=isolinux images=images/pxeboot LiveOS=LiveOS note : -V = "Fedora 17 x86_64" because cat isolinux/isolinux.cfg | grep append we got CDLABEL=Fedora\x2017\x20x86_64 append initrd=initrd.img root=live:CDLABEL=Fedora\x2017\x20x86_64 quiet rd.luks=0 rd.md=0 rd.dm=0