gerard labadie: > [root@testrh cdrom]# pwd > /tmp/cdrom > [root@testrh cdrom]# mkisofs -o /tmp/file.iso -b isolinux.bin -c > boot.cat -no-emul-boot -boot-info-table -R -J -v -T > /tmp/cdrom/isolinux/ It seems you told it to make an iso image of /tmp/cdrom/isolinux/ -- not your pwd of /tmp/cdrom where your RPMS are...